/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_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:42:18,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:42:18,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:42:18,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:42:18,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:42:18,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:42:18,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:42:18,402 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:42:18,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:42:18,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:42:18,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:42:18,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:42:18,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:42:18,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:42:18,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:42:18,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:42:18,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:42:18,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:42:18,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:42:18,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:42:18,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:42:18,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:42:18,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:42:18,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:42:18,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:42:18,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:42:18,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:42:18,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:42:18,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:42:18,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:42:18,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:42:18,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:42:18,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:42:18,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:42:18,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:42:18,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:42:18,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:42:18,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:42:18,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:42:18,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:42:18,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:42:18,457 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 15:42:18,502 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:42:18,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:42:18,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:42:18,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:42:18,506 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:42:18,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:42:18,506 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:42:18,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:42:18,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:42:18,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:42:18,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:42:18,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:42:18,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:42:18,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:42:18,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:42:18,509 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:42:18,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:42:18,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:42:18,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:42:18,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:42:18,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:42:18,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:42:18,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:42:18,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:42:18,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:42:18,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:42:18,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:42:18,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:42:18,512 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:42:18,512 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 15:42:18,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:42:18,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:42:18,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:42:18,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:42:18,974 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:42:18,976 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-09-24 15:42:19,057 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43dc1f1c8/1a1874c328cb437a9571636f2d5c99e0/FLAGa4c15b52d [2020-09-24 15:42:19,587 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:42:19,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2020-09-24 15:42:19,600 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43dc1f1c8/1a1874c328cb437a9571636f2d5c99e0/FLAGa4c15b52d [2020-09-24 15:42:19,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/43dc1f1c8/1a1874c328cb437a9571636f2d5c99e0 [2020-09-24 15:42:19,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:42:19,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:42:19,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:42:19,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:42:19,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:42:19,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:42:19" (1/1) ... [2020-09-24 15:42:19,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:19, skipping insertion in model container [2020-09-24 15:42:19,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:42:19" (1/1) ... [2020-09-24 15:42:19,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:42:19,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:42:20,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:42:20,632 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:42:20,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:42:20,740 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:42:20,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20 WrapperNode [2020-09-24 15:42:20,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:42:20,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:42:20,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:42:20,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:42:20,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20" (1/1) ... [2020-09-24 15:42:20,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:42:20,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:42:20,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:42:20,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:42:20,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20" (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 15:42:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:42:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:42:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:42:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:42:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:42:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:42:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:42:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:42:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:42:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:42:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:42:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:42:20,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:42:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:42:20,956 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:42:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:42:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:42:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:42:20,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:42:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:42:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:42:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:42:20,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:42:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:42:20,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:42:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:42:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 15:42:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:42:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:42:20,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:42:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:42:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:42:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:42:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:42:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:42:20,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:42:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:42:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:42:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:42:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 15:42:20,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:42:20,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:42:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:42:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:42:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:42:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:42:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:42:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:42:20,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:42:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:42:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:42:20,964 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:42:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:42:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:42:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:42:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:42:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:42:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:42:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:42:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:42:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:42:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:42:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:42:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:42:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:42:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:42:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:42:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:42:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:42:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:42:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:42:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:42:20,969 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:42:20,970 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:42:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:42:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:42:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:42:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 15:42:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:42:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:42:20,971 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:42:20,972 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:42:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:42:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:42:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:42:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 15:42:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 15:42:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:42:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:42:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:42:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:42:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:42:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:42:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:42:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:42:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:42:22,144 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:42:22,145 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:42:22,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:42:22 BoogieIcfgContainer [2020-09-24 15:42:22,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:42:22,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:42:22,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:42:22,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:42:22,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:42:19" (1/3) ... [2020-09-24 15:42:22,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11806f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:42:22, skipping insertion in model container [2020-09-24 15:42:22,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:42:20" (2/3) ... [2020-09-24 15:42:22,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11806f87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:42:22, skipping insertion in model container [2020-09-24 15:42:22,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:42:22" (3/3) ... [2020-09-24 15:42:22,163 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2020-09-24 15:42:22,175 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:42:22,186 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:42:22,208 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:42:22,239 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:42:22,239 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:42:22,240 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:42:22,240 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:42:22,240 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:42:22,240 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:42:22,240 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:42:22,240 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:42:22,269 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-09-24 15:42:22,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:42:22,288 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:22,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:22,290 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:22,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:22,298 INFO L82 PathProgramCache]: Analyzing trace with hash 324352486, now seen corresponding path program 1 times [2020-09-24 15:42:22,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:22,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034129898] [2020-09-24 15:42:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:22,685 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:22,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:22,686 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:22,686 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:22,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:42:22,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:22,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:42:22,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:42:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,157 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:23,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:23,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:23,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:23,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:23,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:23,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:23,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,355 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:23,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:23,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:23,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,364 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:23,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:23,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,373 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:23,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:23,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:23,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:42:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:23,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:23,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:23,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:23,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:23,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:23,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:23,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:23,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:23,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:23,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:23,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:23,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:23,448 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 15:42:23,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034129898] [2020-09-24 15:42:23,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:23,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:42:23,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915831177] [2020-09-24 15:42:23,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:42:23,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:23,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:42:23,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:42:23,485 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 3 states. [2020-09-24 15:42:25,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:25,008 INFO L93 Difference]: Finished difference Result 525 states and 620 transitions. [2020-09-24 15:42:25,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:42:25,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:42:25,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:25,046 INFO L225 Difference]: With dead ends: 525 [2020-09-24 15:42:25,046 INFO L226 Difference]: Without dead ends: 321 [2020-09-24 15:42:25,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:42:25,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-09-24 15:42:25,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 278. [2020-09-24 15:42:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-09-24 15:42:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 302 transitions. [2020-09-24 15:42:25,177 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 302 transitions. Word has length 142 [2020-09-24 15:42:25,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:25,178 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 302 transitions. [2020-09-24 15:42:25,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:42:25,178 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 302 transitions. [2020-09-24 15:42:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:42:25,183 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:25,183 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 15:42:25,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:42:25,184 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:25,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:25,184 INFO L82 PathProgramCache]: Analyzing trace with hash 173272106, now seen corresponding path program 1 times [2020-09-24 15:42:25,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:25,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [445995187] [2020-09-24 15:42:25,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:42:25,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:42:25,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:42:25,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:25,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,713 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:25,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,730 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,731 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,731 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:25,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:25,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:25,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:25,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,837 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,837 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:25,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:25,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:25,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:42:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:25,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:25,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:42:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:25,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:25,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:25,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:25,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:25,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:25,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:25,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:25,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:25,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:25,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:25,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:25,879 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 15:42:25,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [445995187] [2020-09-24 15:42:25,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:25,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:42:25,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699496331] [2020-09-24 15:42:25,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:42:25,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:25,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:42:25,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:42:25,884 INFO L87 Difference]: Start difference. First operand 278 states and 302 transitions. Second operand 4 states. [2020-09-24 15:42:26,490 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:27,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:27,700 INFO L93 Difference]: Finished difference Result 442 states and 495 transitions. [2020-09-24 15:42:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:42:27,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:42:27,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:27,706 INFO L225 Difference]: With dead ends: 442 [2020-09-24 15:42:27,706 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 15:42:27,708 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 15:42:27,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 15:42:27,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 268. [2020-09-24 15:42:27,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-24 15:42:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 289 transitions. [2020-09-24 15:42:27,800 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 289 transitions. Word has length 143 [2020-09-24 15:42:27,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:27,801 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 289 transitions. [2020-09-24 15:42:27,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:42:27,801 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 289 transitions. [2020-09-24 15:42:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:42:27,805 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:27,806 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 15:42:27,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:42:27,806 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:27,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:27,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1597850082, now seen corresponding path program 1 times [2020-09-24 15:42:27,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:27,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271026976] [2020-09-24 15:42:27,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:27,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:27,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:27,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:27,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:27,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:42:27,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:27,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:27,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:42:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:42:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,307 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:28,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,359 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:28,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:28,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:42:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:28,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:28,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:28,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,442 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,442 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:28,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:28,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,449 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,450 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:28,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:42:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,456 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:28,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:28,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:42:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:28,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:28,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:28,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:28,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:28,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:28,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:28,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:28,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:28,494 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 15:42:28,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271026976] [2020-09-24 15:42:28,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:28,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:42:28,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340373386] [2020-09-24 15:42:28,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:42:28,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:28,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:42:28,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:42:28,499 INFO L87 Difference]: Start difference. First operand 268 states and 289 transitions. Second operand 4 states. [2020-09-24 15:42:29,035 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:29,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:29,872 INFO L93 Difference]: Finished difference Result 462 states and 520 transitions. [2020-09-24 15:42:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:42:29,872 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:42:29,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:29,876 INFO L225 Difference]: With dead ends: 462 [2020-09-24 15:42:29,876 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 15:42:29,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 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 15:42:29,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 15:42:29,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 268. [2020-09-24 15:42:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-24 15:42:29,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 288 transitions. [2020-09-24 15:42:29,918 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 288 transitions. Word has length 152 [2020-09-24 15:42:29,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:29,919 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 288 transitions. [2020-09-24 15:42:29,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:42:29,919 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 288 transitions. [2020-09-24 15:42:29,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-24 15:42:29,922 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:29,922 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] [2020-09-24 15:42:29,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:42:29,922 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:29,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:29,923 INFO L82 PathProgramCache]: Analyzing trace with hash 2053095868, now seen corresponding path program 1 times [2020-09-24 15:42:29,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:29,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1300663651] [2020-09-24 15:42:29,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-24 15:42:30,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 15:42:30,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:42:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:42:30,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 15:42:30,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,426 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:30,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,470 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,471 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:30,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:30,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:30,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:42:30,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:30,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:30,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:30,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:30,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:30,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:30,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:30,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:30,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:30,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:30,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:30,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,545 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,545 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,546 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:30,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:30,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:30,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:30,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:42:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:42:30,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:30,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:42:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:42:30,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:30,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:42:30,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:42:30,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:30,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:30,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:30,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:30,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:30,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 15:42:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,662 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,662 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,662 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,663 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:30,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:30,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:30,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 15:42:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:30,668 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:30,669 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:30,669 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:30,669 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:30,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:30,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:30,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:30,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:30,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:30,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:30,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:30,745 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 15:42:30,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1300663651] [2020-09-24 15:42:30,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:30,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:42:30,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432994502] [2020-09-24 15:42:30,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:42:30,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:30,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:42:30,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:42:30,748 INFO L87 Difference]: Start difference. First operand 268 states and 288 transitions. Second operand 7 states. [2020-09-24 15:42:31,411 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:32,791 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:33,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:33,867 INFO L93 Difference]: Finished difference Result 593 states and 675 transitions. [2020-09-24 15:42:33,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:42:33,868 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 165 [2020-09-24 15:42:33,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:33,871 INFO L225 Difference]: With dead ends: 593 [2020-09-24 15:42:33,872 INFO L226 Difference]: Without dead ends: 435 [2020-09-24 15:42:33,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:42:33,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-09-24 15:42:33,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 376. [2020-09-24 15:42:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-09-24 15:42:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 405 transitions. [2020-09-24 15:42:33,933 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 405 transitions. Word has length 165 [2020-09-24 15:42:33,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:33,934 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 405 transitions. [2020-09-24 15:42:33,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:42:33,934 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 405 transitions. [2020-09-24 15:42:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-24 15:42:33,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:33,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:33,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:42:33,938 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:33,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:33,938 INFO L82 PathProgramCache]: Analyzing trace with hash 2027625623, now seen corresponding path program 1 times [2020-09-24 15:42:33,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:33,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205259781] [2020-09-24 15:42:33,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,062 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-24 15:42:34,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-24 15:42:34,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:42:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:42:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:42:34,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,498 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:34,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:42:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:34,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:34,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:34,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:34,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,633 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:34,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:34,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:34,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,641 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:34,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:34,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,649 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,649 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,650 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,650 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:34,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:34,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:42:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,676 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,676 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,677 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,677 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:42:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:34,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:42:34,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,687 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,688 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:42:34,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:34,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:34,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,697 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,697 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:34,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:34,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:34,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:34,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:34,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:42:34,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:34,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:34,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:34,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:34,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:34,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:34,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-24 15:42:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:34,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:42:34,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:34,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:34,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:34,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:42:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:34,766 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:34,766 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:34,766 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:34,767 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:34,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:34,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:34,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:34,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:34,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:34,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:34,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:34,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:34,818 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 15:42:34,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205259781] [2020-09-24 15:42:34,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:34,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:42:34,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359511720] [2020-09-24 15:42:34,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:42:34,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:34,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:42:34,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:42:34,822 INFO L87 Difference]: Start difference. First operand 376 states and 405 transitions. Second operand 9 states. [2020-09-24 15:42:35,360 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:36,832 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:37,161 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:37,620 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:37,942 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:38,614 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:38,947 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:42:39,257 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:39,647 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:40,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:40,998 INFO L93 Difference]: Finished difference Result 962 states and 1104 transitions. [2020-09-24 15:42:40,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:42:40,999 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2020-09-24 15:42:41,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:41,005 INFO L225 Difference]: With dead ends: 962 [2020-09-24 15:42:41,005 INFO L226 Difference]: Without dead ends: 696 [2020-09-24 15:42:41,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 15:42:41,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-09-24 15:42:41,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 605. [2020-09-24 15:42:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-09-24 15:42:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 658 transitions. [2020-09-24 15:42:41,091 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 658 transitions. Word has length 189 [2020-09-24 15:42:41,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:41,091 INFO L479 AbstractCegarLoop]: Abstraction has 605 states and 658 transitions. [2020-09-24 15:42:41,092 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:42:41,092 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 658 transitions. [2020-09-24 15:42:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-24 15:42:41,094 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:41,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:41,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:42:41,095 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:41,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:41,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1242482, now seen corresponding path program 1 times [2020-09-24 15:42:41,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:41,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923156372] [2020-09-24 15:42:41,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-09-24 15:42:41,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:42:41,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:42:41,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:42:41,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-24 15:42:41,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,587 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:41,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:41,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:41,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:42:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,691 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,691 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,692 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:41,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:41,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:41,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:41,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:41,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:41,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,725 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,725 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:41,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:42:41,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:41,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:41,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:41,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:41,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,756 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:41,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:41,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:41,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,780 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,781 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,781 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:42:41,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:41,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:41,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,793 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:42:41,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:41,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:41,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:41,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:41,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:42:41,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:41,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:41,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:41,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:41,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:41,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 15:42:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,835 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:41,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:41,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:41,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:41,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:41,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 15:42:41,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:41,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:41,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:41,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:41,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:41,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:41,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:41,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:41,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:41,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:41,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:42,009 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 15:42:42,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923156372] [2020-09-24 15:42:42,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:42,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:42,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120928140] [2020-09-24 15:42:42,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:42,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:42,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:42,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:42,013 INFO L87 Difference]: Start difference. First operand 605 states and 658 transitions. Second operand 10 states. [2020-09-24 15:42:42,592 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:42:44,261 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:42:44,611 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 15:42:45,020 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:45,396 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:42:46,787 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-24 15:42:47,431 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-24 15:42:47,729 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:48,026 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:42:48,317 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:48,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:48,603 INFO L93 Difference]: Finished difference Result 762 states and 880 transitions. [2020-09-24 15:42:48,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:42:48,603 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2020-09-24 15:42:48,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:48,608 INFO L225 Difference]: With dead ends: 762 [2020-09-24 15:42:48,608 INFO L226 Difference]: Without dead ends: 759 [2020-09-24 15:42:48,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:42:48,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-09-24 15:42:48,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 605. [2020-09-24 15:42:48,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-09-24 15:42:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 657 transitions. [2020-09-24 15:42:48,698 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 657 transitions. Word has length 194 [2020-09-24 15:42:48,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:48,698 INFO L479 AbstractCegarLoop]: Abstraction has 605 states and 657 transitions. [2020-09-24 15:42:48,698 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:42:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 657 transitions. [2020-09-24 15:42:48,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:42:48,702 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:48,702 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:48,703 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:42:48,703 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:48,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:48,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1053053690, now seen corresponding path program 1 times [2020-09-24 15:42:48,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:48,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271008376] [2020-09-24 15:42:48,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:48,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:48,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:48,773 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:48,773 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:48,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:42:48,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:48,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:42:48,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-09-24 15:42:48,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:48,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,049 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:49,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:49,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:49,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:49,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,120 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:49,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:49,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:49,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:49,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:49,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:49,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:49,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:42:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:49,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:49,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:49,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:42:49,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:42:49,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:49,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,263 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:49,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:42:49,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:42:49,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,331 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,331 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:49,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,341 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,342 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:49,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:49,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:49,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:49,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,371 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,372 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,372 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,372 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:49,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:49,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:49,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:42:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:49,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:49,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:42:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:49,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:49,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:49,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:49,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:49,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:49,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:49,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:49,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:49,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:42:49,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271008376] [2020-09-24 15:42:49,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:49,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:42:49,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412758964] [2020-09-24 15:42:49,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:42:49,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:49,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:42:49,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:42:49,552 INFO L87 Difference]: Start difference. First operand 605 states and 657 transitions. Second operand 10 states. [2020-09-24 15:42:50,802 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:51,128 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:51,457 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:42:51,776 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:52,130 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:42:52,465 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:42:53,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:53,706 INFO L93 Difference]: Finished difference Result 1268 states and 1466 transitions. [2020-09-24 15:42:53,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:42:53,707 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-24 15:42:53,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:53,713 INFO L225 Difference]: With dead ends: 1268 [2020-09-24 15:42:53,713 INFO L226 Difference]: Without dead ends: 773 [2020-09-24 15:42:53,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:42:53,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-09-24 15:42:53,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 621. [2020-09-24 15:42:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-09-24 15:42:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 673 transitions. [2020-09-24 15:42:53,818 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 673 transitions. Word has length 217 [2020-09-24 15:42:53,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:53,819 INFO L479 AbstractCegarLoop]: Abstraction has 621 states and 673 transitions. [2020-09-24 15:42:53,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:42:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 673 transitions. [2020-09-24 15:42:53,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:42:53,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:53,825 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:53,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:42:53,826 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:53,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:53,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1557805414, now seen corresponding path program 1 times [2020-09-24 15:42:53,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:53,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1905761259] [2020-09-24 15:42:53,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:53,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:42:53,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -72 [2020-09-24 15:42:53,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 72 [2020-09-24 15:42:53,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:53,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:42:53,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:53,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:53,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:53,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:53,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-09-24 15:42:53,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:53,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,183 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:54,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:54,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,231 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,231 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:54,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:54,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:42:54,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,239 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:54,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,244 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:54,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:54,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:54,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:42:54,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:42:54,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:54,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:54,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:42:54,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:42:54,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:54,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:54,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,326 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:54,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:42:54,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:42:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:42:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:42:54,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:54,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,355 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,355 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:54,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:54,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:42:54,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:54,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:54,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,392 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,392 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:54,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:42:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:54,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:54,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:54,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:54,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:54,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,417 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,417 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:54,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:42:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:54,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:54,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:42:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:54,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:54,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:54,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:54,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:54,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:54,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:54,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:54,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:42:54,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1905761259] [2020-09-24 15:42:54,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:54,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:42:54,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745065181] [2020-09-24 15:42:54,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:42:54,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:54,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:42:54,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:42:54,503 INFO L87 Difference]: Start difference. First operand 621 states and 673 transitions. Second operand 9 states. [2020-09-24 15:42:55,586 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:55,880 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:56,190 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:56,502 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:42:56,789 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:42:58,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:42:58,211 INFO L93 Difference]: Finished difference Result 1302 states and 1502 transitions. [2020-09-24 15:42:58,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:42:58,212 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 217 [2020-09-24 15:42:58,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:42:58,217 INFO L225 Difference]: With dead ends: 1302 [2020-09-24 15:42:58,218 INFO L226 Difference]: Without dead ends: 791 [2020-09-24 15:42:58,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 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 15:42:58,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2020-09-24 15:42:58,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 633. [2020-09-24 15:42:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-09-24 15:42:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 685 transitions. [2020-09-24 15:42:58,293 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 685 transitions. Word has length 217 [2020-09-24 15:42:58,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:42:58,293 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 685 transitions. [2020-09-24 15:42:58,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:42:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 685 transitions. [2020-09-24 15:42:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 15:42:58,297 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:42:58,297 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:42:58,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:42:58,298 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:42:58,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:42:58,298 INFO L82 PathProgramCache]: Analyzing trace with hash 682406909, now seen corresponding path program 1 times [2020-09-24 15:42:58,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:42:58,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1387292266] [2020-09-24 15:42:58,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:42:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-09-24 15:42:58,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:42:58,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:42:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:42:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:42:58,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,658 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:42:58,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:42:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,692 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,692 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,692 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,693 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:42:58,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:42:58,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:42:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:58,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:58,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:42:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:58,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:42:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,744 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,744 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,744 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,744 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:58,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:42:58,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:42:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,750 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,750 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:42:58,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:42:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:42:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,764 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,764 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:42:58,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:42:58,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-24 15:42:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:42:58,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:42:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:42:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,823 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,823 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:42:58,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:42:58,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:42:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:42:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,844 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,845 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:42:58,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:42:58,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:42:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,862 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,862 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,863 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:42:58,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:42:58,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:42:58,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:42:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:42:58,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:42:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:42:58,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:42:58,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:58,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:42:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,897 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:58,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:58,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:58,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:42:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:42:58,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:58,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:42:58,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:58,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:42:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:58,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:42:58,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:58,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:58,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:58,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:42:58,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 15:42:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:42:58,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:42:58,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:42:58,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:42:58,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:42:58,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:42:58,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:42:58,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:42:58,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:42:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:42:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:42:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:42:58,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:42:58,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:42:58,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1387292266] [2020-09-24 15:42:58,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:42:58,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:42:58,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749757271] [2020-09-24 15:42:58,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:42:58,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:42:58,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:42:58,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:42:58,982 INFO L87 Difference]: Start difference. First operand 633 states and 685 transitions. Second operand 7 states. [2020-09-24 15:42:59,497 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:00,121 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:02,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:02,682 INFO L93 Difference]: Finished difference Result 1747 states and 2066 transitions. [2020-09-24 15:43:02,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 15:43:02,683 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 217 [2020-09-24 15:43:02,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:02,690 INFO L225 Difference]: With dead ends: 1747 [2020-09-24 15:43:02,690 INFO L226 Difference]: Without dead ends: 1224 [2020-09-24 15:43:02,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:43:02,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-09-24 15:43:02,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1051. [2020-09-24 15:43:02,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2020-09-24 15:43:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1177 transitions. [2020-09-24 15:43:02,820 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1177 transitions. Word has length 217 [2020-09-24 15:43:02,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:02,820 INFO L479 AbstractCegarLoop]: Abstraction has 1051 states and 1177 transitions. [2020-09-24 15:43:02,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:43:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1177 transitions. [2020-09-24 15:43:02,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 15:43:02,824 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:02,825 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:43:02,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:43:02,825 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:02,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:02,825 INFO L82 PathProgramCache]: Analyzing trace with hash -2108868973, now seen corresponding path program 1 times [2020-09-24 15:43:02,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:02,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025927858] [2020-09-24 15:43:02,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:02,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:43:02,887 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -46 [2020-09-24 15:43:02,887 FATAL L256 erpolLogProxyWrapper]: Difference in width: 46 [2020-09-24 15:43:02,887 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:02,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-24 15:43:02,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:02,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:43:02,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-24 15:43:02,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:43:02,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,179 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:43:03,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:43:03,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:03,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:43:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,225 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:03,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:03,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:43:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,228 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:03,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:03,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:43:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:03,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:03,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:43:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:03,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:03,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:43:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,248 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,248 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,248 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,248 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:03,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:03,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 15:43:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:03,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:03,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:03,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:43:03,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:43:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:43:03,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:43:03,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:03,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-24 15:43:03,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 15:43:03,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:43:03,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:43:03,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 15:43:03,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,369 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:43:03,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:03,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:43:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:43:03,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:03,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:43:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,391 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,391 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,391 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,391 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:43:03,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:43:03,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:43:03,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:43:03,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:43:03,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:43:03,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:43:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:43:03,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:03,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:03,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:03,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:43:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:43:03,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:43:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:03,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:03,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:03,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:43:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 15:43:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:03,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:03,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:03,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 15:43:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:03,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:03,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:03,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:03,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:03,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:03,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:03,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:43:03,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:03,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:43:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:43:03,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025927858] [2020-09-24 15:43:03,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:43:03,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:43:03,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998463002] [2020-09-24 15:43:03,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:43:03,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:03,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:43:03,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:43:03,625 INFO L87 Difference]: Start difference. First operand 1051 states and 1177 transitions. Second operand 16 states. [2020-09-24 15:43:04,212 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:05,200 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:43:06,418 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:06,752 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:07,112 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:07,482 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:07,784 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:08,091 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:08,403 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:08,721 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:09,055 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:09,444 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:09,787 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:43:10,118 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:43:10,799 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 15:43:11,524 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-24 15:43:12,153 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-24 15:43:14,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:43:14,570 INFO L93 Difference]: Finished difference Result 2121 states and 2449 transitions. [2020-09-24 15:43:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 15:43:14,571 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 222 [2020-09-24 15:43:14,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:43:14,578 INFO L225 Difference]: With dead ends: 2121 [2020-09-24 15:43:14,579 INFO L226 Difference]: Without dead ends: 1180 [2020-09-24 15:43:14,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=424, Invalid=1556, Unknown=0, NotChecked=0, Total=1980 [2020-09-24 15:43:14,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2020-09-24 15:43:14,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1012. [2020-09-24 15:43:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1012 states. [2020-09-24 15:43:14,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1120 transitions. [2020-09-24 15:43:14,710 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1120 transitions. Word has length 222 [2020-09-24 15:43:14,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:43:14,710 INFO L479 AbstractCegarLoop]: Abstraction has 1012 states and 1120 transitions. [2020-09-24 15:43:14,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:43:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1120 transitions. [2020-09-24 15:43:14,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-09-24 15:43:14,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:43:14,714 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 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 15:43:14,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:43:14,714 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:43:14,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:43:14,715 INFO L82 PathProgramCache]: Analyzing trace with hash -504999884, now seen corresponding path program 1 times [2020-09-24 15:43:14,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:43:14,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624620656] [2020-09-24 15:43:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:43:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:14,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:14,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:14,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:14,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:14,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 364 [2020-09-24 15:43:14,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:14,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 15:43:14,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:43:14,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-24 15:43:14,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-24 15:43:14,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,302 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:43:15,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:43:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,328 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:43:15,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:43:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:15,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:43:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,389 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:15,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:43:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:15,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:43:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:15,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:43:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:15,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:43:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-24 15:43:15,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:15,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:43:15,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,490 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,491 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 15:43:15,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:43:15,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,515 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:43:15,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:15,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:15,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:43:15,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:43:15,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:15,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:43:15,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:43:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:43:15,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:43:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:43:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,568 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,570 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:43:15,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:43:15,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:43:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,579 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:43:15,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:43:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,586 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:15,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:43:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:43:15,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-09-24 15:43:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,610 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,610 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,611 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,611 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:43:15,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:43:15,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:15,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 15:43:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,644 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:15,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:43:15,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:43:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-24 15:43:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,659 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,660 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,660 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:43:15,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 15:43:15,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:43:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:43:15,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:43:15,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-24 15:43:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,710 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-24 15:43:15,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:43:15,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:43:15,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:43:15,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 15:43:15,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 15:43:15,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:43:15,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:43:15,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:43:15,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:43:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,820 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:15,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:43:15,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:43:15,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:43:15,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 15:43:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:43:15,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:43:15,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:43:15,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:43:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:43:15,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:43:15,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-09-24 15:43:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:15,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:15,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-09-24 15:43:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:43:15,908 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:43:15,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:43:15,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:43:15,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:43:15,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:43:15,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:43:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:43:15,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:43:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:43:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:43:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:43:15,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:43:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-24 15:43:16,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624620656] [2020-09-24 15:43:16,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:43:16,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:43:16,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076772768] [2020-09-24 15:43:16,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:43:16,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:43:16,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:43:16,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:43:16,069 INFO L87 Difference]: Start difference. First operand 1012 states and 1120 transitions. Second operand 16 states.