/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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:40:52,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:40:52,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:40:52,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:40:52,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:40:52,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:40:52,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:40:52,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:40:52,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:40:52,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:40:52,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:40:52,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:40:52,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:40:52,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:40:52,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:40:52,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:40:52,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:40:52,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:40:52,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:40:52,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:40:52,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:40:52,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:40:52,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:40:52,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:40:52,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:40:52,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:40:52,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:40:52,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:40:52,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:40:52,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:40:52,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:40:52,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:40:52,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:40:52,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:40:52,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:40:52,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:40:52,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:40:52,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:40:52,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:40:52,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:40:52,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:40:52,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:40:52,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:40:52,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:40:52,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:40:52,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:40:52,533 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:40:52,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:40:52,533 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:40:52,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:40:52,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:40:52,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:40:52,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:40:52,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:40:52,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:40:52,536 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:40:52,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:40:52,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:40:52,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:40:52,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:40:52,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:40:52,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:40:52,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:40:52,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:40:52,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:40:52,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:40:52,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:40:52,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:40:52,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:40:52,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:40:52,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:40:52,539 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 15:40:53,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:40:53,055 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:40:53,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:40:53,061 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:40:53,062 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:40:53,064 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product38.cil.c [2020-09-24 15:40:53,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df6604c9f/c1b9506ee7764254b7bed649f8f5b064/FLAGdd11c0bfb [2020-09-24 15:40:53,792 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:40:53,793 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product38.cil.c [2020-09-24 15:40:53,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df6604c9f/c1b9506ee7764254b7bed649f8f5b064/FLAGdd11c0bfb [2020-09-24 15:40:54,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/df6604c9f/c1b9506ee7764254b7bed649f8f5b064 [2020-09-24 15:40:54,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:40:54,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:40:54,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:40:54,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:40:54,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:40:54,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:40:54" (1/1) ... [2020-09-24 15:40:54,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54, skipping insertion in model container [2020-09-24 15:40:54,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:40:54" (1/1) ... [2020-09-24 15:40:54,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:40:54,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:40:54,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:40:54,820 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:40:54,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:40:54,943 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:40:54,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54 WrapperNode [2020-09-24 15:40:54,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:40:54,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:40:54,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:40:54,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:40:54,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54" (1/1) ... [2020-09-24 15:40:54,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54" (1/1) ... [2020-09-24 15:40:54,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54" (1/1) ... [2020-09-24 15:40:54,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54" (1/1) ... [2020-09-24 15:40:55,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54" (1/1) ... [2020-09-24 15:40:55,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54" (1/1) ... [2020-09-24 15:40:55,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54" (1/1) ... [2020-09-24 15:40:55,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:40:55,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:40:55,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:40:55,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:40:55,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:40:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:40:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:40:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:40:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:40:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:40:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:40:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:40:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:40:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:40:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:40:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:40:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:40:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:40:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:40:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:40:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:40:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:40:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:40:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:40:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:40:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:40:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:40:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:40:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:40:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:40:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:40:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:40:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:40:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:40:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:40:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:40:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:40:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:40:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:40:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:40:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:40:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:40:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:40:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:40:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:40:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:40:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:40:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:40:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:40:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:40:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:40:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:40:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:40:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:40:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:40:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:40:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:40:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:40:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:40:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:40:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:40:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:40:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:40:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:40:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-24 15:40:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:40:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:40:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:40:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:40:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:40:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:40:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:40:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:40:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:40:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:40:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:40:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:40:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:40:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:40:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:40:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:40:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:40:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:40:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:40:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:40:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:40:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:40:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:40:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:40:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:40:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:40:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:40:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:40:55,143 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:40:55,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:40:55,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:40:55,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:40:56,329 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:40:56,329 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:40:56,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:40:56 BoogieIcfgContainer [2020-09-24 15:40:56,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:40:56,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:40:56,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:40:56,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:40:56,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:40:54" (1/3) ... [2020-09-24 15:40:56,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5963b188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:40:56, skipping insertion in model container [2020-09-24 15:40:56,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:40:54" (2/3) ... [2020-09-24 15:40:56,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5963b188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:40:56, skipping insertion in model container [2020-09-24 15:40:56,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:40:56" (3/3) ... [2020-09-24 15:40:56,346 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product38.cil.c [2020-09-24 15:40:56,358 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:40:56,368 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:40:56,389 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:40:56,422 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:40:56,422 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:40:56,422 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:40:56,422 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:40:56,422 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:40:56,422 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:40:56,422 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:40:56,422 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:40:56,447 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states. [2020-09-24 15:40:56,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:40:56,465 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:40:56,467 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 15:40:56,467 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:40:56,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:40:56,476 INFO L82 PathProgramCache]: Analyzing trace with hash 2128738986, now seen corresponding path program 1 times [2020-09-24 15:40:56,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:40:56,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60467381] [2020-09-24 15:40:56,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:40:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:56,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:56,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:56,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:56,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:56,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:40:56,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:40:56,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:40:56,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:40:57,420 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:40:57,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:40:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:57,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:57,445 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:57,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:57,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:57,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:40:57,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:57,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:40:57,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:57,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:40:57,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:40:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:57,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:57,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:57,616 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:57,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:57,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:40:57,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:57,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:40:57,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:57,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:57,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:57,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:57,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:57,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:40:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:57,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:57,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:57,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:57,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:57,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:40:57,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:57,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:57,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:57,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:57,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:57,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:40:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:57,632 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:57,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:57,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:57,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:57,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:40:57,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:57,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:57,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:57,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:40:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:57,638 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:57,639 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:57,639 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:57,639 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:57,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:40:57,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:57,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:40:57,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:57,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:57,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:57,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:57,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:57,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:40:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:57,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:57,644 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:57,644 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:57,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:57,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:40:57,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:57,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:57,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:40:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:57,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:57,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:40:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:57,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:57,652 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:57,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:57,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:57,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:40:57,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:57,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:57,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:40:57,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:57,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:57,684 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 15:40:57,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60467381] [2020-09-24 15:40:57,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:40:57,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:40:57,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446897692] [2020-09-24 15:40:57,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:40:57,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:40:57,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:40:57,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:40:57,719 INFO L87 Difference]: Start difference. First operand 305 states. Second operand 3 states. [2020-09-24 15:40:59,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:40:59,118 INFO L93 Difference]: Finished difference Result 476 states and 568 transitions. [2020-09-24 15:40:59,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:40:59,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:40:59,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:40:59,140 INFO L225 Difference]: With dead ends: 476 [2020-09-24 15:40:59,140 INFO L226 Difference]: Without dead ends: 296 [2020-09-24 15:40:59,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:40:59,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-24 15:40:59,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 254. [2020-09-24 15:40:59,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-24 15:40:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 276 transitions. [2020-09-24 15:40:59,259 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 276 transitions. Word has length 142 [2020-09-24 15:40:59,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:40:59,260 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 276 transitions. [2020-09-24 15:40:59,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:40:59,261 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 276 transitions. [2020-09-24 15:40:59,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:40:59,266 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:40:59,266 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 15:40:59,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:40:59,267 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:40:59,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:40:59,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1334241536, now seen corresponding path program 1 times [2020-09-24 15:40:59,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:40:59,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264997833] [2020-09-24 15:40:59,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:40:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:59,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:59,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:59,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:59,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:59,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:40:59,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:40:59,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:59,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:40:59,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:40:59,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:40:59,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:59,679 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:40:59,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:40:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:59,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:59,699 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:59,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:59,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:59,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:40:59,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:59,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:59,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:59,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:59,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:59,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:59,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:40:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:59,750 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:59,750 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:59,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:59,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:59,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:40:59,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:59,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:59,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:59,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:59,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:59,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:59,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:40:59,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:40:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:59,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:59,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:59,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:59,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:59,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:40:59,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:59,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:59,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:59,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:59,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:59,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:59,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:40:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:59,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:59,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:59,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:59,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:59,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:40:59,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:59,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:59,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:59,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:40:59,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:40:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:59,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:59,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:59,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:59,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:59,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:40:59,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:59,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:59,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:40:59,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:59,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:40:59,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:40:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:59,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:59,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:59,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:59,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:59,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:40:59,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:59,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:59,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:40:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:40:59,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:40:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:40:59,783 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:40:59,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:40:59,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:40:59,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:40:59,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:40:59,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:40:59,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:40:59,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:40:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:40:59,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:40:59,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:40:59,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:40:59,879 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 15:40:59,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264997833] [2020-09-24 15:40:59,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:40:59,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:40:59,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791896415] [2020-09-24 15:40:59,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:40:59,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:40:59,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:40:59,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:40:59,884 INFO L87 Difference]: Start difference. First operand 254 states and 276 transitions. Second operand 4 states. [2020-09-24 15:41:00,531 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:01,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:01,468 INFO L93 Difference]: Finished difference Result 389 states and 439 transitions. [2020-09-24 15:41:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:41:01,471 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:41:01,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:01,479 INFO L225 Difference]: With dead ends: 389 [2020-09-24 15:41:01,479 INFO L226 Difference]: Without dead ends: 279 [2020-09-24 15:41:01,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:01,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-09-24 15:41:01,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 244. [2020-09-24 15:41:01,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-24 15:41:01,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-09-24 15:41:01,543 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 143 [2020-09-24 15:41:01,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:01,543 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-09-24 15:41:01,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:41:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-09-24 15:41:01,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:41:01,546 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:01,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:01,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:41:01,547 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:01,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:01,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1890436660, now seen corresponding path program 1 times [2020-09-24 15:41:01,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:01,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342610089] [2020-09-24 15:41:01,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:01,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:41:01,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:41:01,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:41:01,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:01,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:41:01,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:01,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:41:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:01,945 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:01,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:01,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:01,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:01,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:01,964 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:01,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:01,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:01,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:01,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:01,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:01,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:01,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:02,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:02,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:02,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:02,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:02,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:02,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:02,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:02,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:02,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:02,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:02,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:02,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:02,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:02,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:02,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:02,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:02,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:02,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:02,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:02,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:02,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:02,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:02,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:02,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:02,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:02,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:02,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:02,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:02,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:02,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:02,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:02,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:02,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:02,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:02,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:02,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:02,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:02,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:02,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:02,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:02,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:02,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:02,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:02,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:02,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:02,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:41:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:02,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:02,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:02,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:02,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:02,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:02,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:02,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:41:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:02,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:41:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:02,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:02,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:02,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:02,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:02,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:02,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:02,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:02,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:02,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:02,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:02,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:02,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:02,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:41:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:02,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:02,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:02,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:02,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:02,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:02,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:02,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:02,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:02,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:02,182 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 15:41:02,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342610089] [2020-09-24 15:41:02,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:02,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:41:02,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758923523] [2020-09-24 15:41:02,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:41:02,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:02,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:41:02,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:41:02,185 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 5 states. [2020-09-24 15:41:02,712 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:03,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:03,757 INFO L93 Difference]: Finished difference Result 435 states and 501 transitions. [2020-09-24 15:41:03,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:41:03,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:41:03,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:03,762 INFO L225 Difference]: With dead ends: 435 [2020-09-24 15:41:03,762 INFO L226 Difference]: Without dead ends: 301 [2020-09-24 15:41:03,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:41:03,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-24 15:41:03,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 244. [2020-09-24 15:41:03,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-24 15:41:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 262 transitions. [2020-09-24 15:41:03,831 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 262 transitions. Word has length 156 [2020-09-24 15:41:03,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:03,833 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 262 transitions. [2020-09-24 15:41:03,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:41:03,833 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 262 transitions. [2020-09-24 15:41:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-24 15:41:03,836 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:03,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:03,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:41:03,837 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:03,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:03,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1501938266, now seen corresponding path program 1 times [2020-09-24 15:41:03,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:03,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465443930] [2020-09-24 15:41:03,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:03,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:03,957 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:03,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-24 15:41:03,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:03,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-24 15:41:03,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:03,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:41:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:41:03,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-24 15:41:03,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:04,352 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:04,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:04,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:04,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:04,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:41:04,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:04,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,478 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:04,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:04,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:04,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:04,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:04,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:04,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:04,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:04,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:04,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:04,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:04,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:04,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:04,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:04,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:04,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:04,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:04,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:04,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:04,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:41:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,519 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:04,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:04,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:04,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:04,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:41:04,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:04,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:41:04,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:04,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:41:04,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:41:04,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:41:04,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:04,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,570 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:41:04,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:41:04,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:41:04,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:41:04,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:41:04,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:04,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,597 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,597 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,598 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,598 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:04,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:04,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:04,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:04,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:41:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:04,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:04,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:04,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:04,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:04,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:41:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:04,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:04,626 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:04,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:04,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:04,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:04,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:04,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:04,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:04,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:04,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:04,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:04,728 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 15:41:04,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465443930] [2020-09-24 15:41:04,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:04,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:41:04,731 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294387343] [2020-09-24 15:41:04,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:41:04,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:04,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:41:04,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:41:04,734 INFO L87 Difference]: Start difference. First operand 244 states and 262 transitions. Second operand 7 states. [2020-09-24 15:41:05,475 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:07,123 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:08,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:08,022 INFO L93 Difference]: Finished difference Result 615 states and 731 transitions. [2020-09-24 15:41:08,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:41:08,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-09-24 15:41:08,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:08,028 INFO L225 Difference]: With dead ends: 615 [2020-09-24 15:41:08,028 INFO L226 Difference]: Without dead ends: 481 [2020-09-24 15:41:08,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:41:08,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-09-24 15:41:08,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 354. [2020-09-24 15:41:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-09-24 15:41:08,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 381 transitions. [2020-09-24 15:41:08,089 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 381 transitions. Word has length 169 [2020-09-24 15:41:08,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:08,089 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 381 transitions. [2020-09-24 15:41:08,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:41:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 381 transitions. [2020-09-24 15:41:08,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:41:08,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:08,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:08,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:41:08,093 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:08,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:08,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1109115497, now seen corresponding path program 1 times [2020-09-24 15:41:08,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:08,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501974506] [2020-09-24 15:41:08,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:41:08,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -71 [2020-09-24 15:41:08,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 71 [2020-09-24 15:41:08,158 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-24 15:41:08,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:08,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:08,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-24 15:41:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,478 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:08,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:08,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:08,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:08,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:08,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:08,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:08,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:08,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:08,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:08,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:08,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:08,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:08,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:08,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:08,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:08,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:08,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:08,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:08,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:08,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:08,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:41:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:08,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:08,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:08,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:08,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:08,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 38 [2020-09-24 15:41:08,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,638 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,638 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,638 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:41:08,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:08,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:08,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:41:08,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:08,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,655 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,655 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,656 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:41:08,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:08,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:08,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:41:08,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,671 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,672 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,672 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,672 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:08,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:08,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:41:08,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:08,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,703 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,703 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,703 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:08,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:08,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:41:08,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:08,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:08,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,735 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,735 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,736 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,736 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:08,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:08,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:08,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:41:08,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:08,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:41:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:08,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:08,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:08,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:08,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:08,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:41:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:08,748 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:08,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:08,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:08,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:08,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:08,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:08,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:08,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:08,802 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 15:41:08,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501974506] [2020-09-24 15:41:08,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:08,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:41:08,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455669529] [2020-09-24 15:41:08,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:41:08,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:08,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:41:08,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:41:08,807 INFO L87 Difference]: Start difference. First operand 354 states and 381 transitions. Second operand 9 states. [2020-09-24 15:41:09,961 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:10,263 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:10,594 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:10,918 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:11,200 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:12,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:12,353 INFO L93 Difference]: Finished difference Result 730 states and 860 transitions. [2020-09-24 15:41:12,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:41:12,354 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 193 [2020-09-24 15:41:12,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:12,361 INFO L225 Difference]: With dead ends: 730 [2020-09-24 15:41:12,361 INFO L226 Difference]: Without dead ends: 486 [2020-09-24 15:41:12,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:41:12,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-09-24 15:41:12,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 360. [2020-09-24 15:41:12,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-09-24 15:41:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 387 transitions. [2020-09-24 15:41:12,439 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 387 transitions. Word has length 193 [2020-09-24 15:41:12,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:12,440 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 387 transitions. [2020-09-24 15:41:12,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:41:12,440 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 387 transitions. [2020-09-24 15:41:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-24 15:41:12,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:12,443 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:12,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:41:12,444 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:12,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:12,444 INFO L82 PathProgramCache]: Analyzing trace with hash -2046057975, now seen corresponding path program 1 times [2020-09-24 15:41:12,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:12,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636580686] [2020-09-24 15:41:12,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:12,529 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:12,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:12,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:12,530 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:12,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-24 15:41:12,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:12,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:41:12,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:41:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 15:41:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-24 15:41:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:12,963 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:12,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:13,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:13,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 15:41:13,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,051 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:13,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:13,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:13,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:13,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:13,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:13,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,070 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,070 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,070 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:13,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:13,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:41:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,087 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:13,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:13,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:41:13,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:41:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,106 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,106 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:41:13,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:13,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-24 15:41:13,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:41:13,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:13,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:13,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:13,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:13,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:13,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:13,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:13,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:13,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 15:41:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:13,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:13,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:13,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:13,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 15:41:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:13,176 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:13,176 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:13,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:13,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:13,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:13,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:13,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:13,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:13,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:13,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:13,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:13,224 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 15:41:13,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636580686] [2020-09-24 15:41:13,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:13,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:41:13,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935021655] [2020-09-24 15:41:13,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:41:13,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:13,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:41:13,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:41:13,227 INFO L87 Difference]: Start difference. First operand 360 states and 387 transitions. Second operand 10 states. [2020-09-24 15:41:13,744 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:15,407 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:15,723 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:41:16,050 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:16,323 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:16,635 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:41:16,916 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:17,215 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:17,639 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:19,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:19,134 INFO L93 Difference]: Finished difference Result 1049 states and 1268 transitions. [2020-09-24 15:41:19,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:41:19,135 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2020-09-24 15:41:19,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:19,145 INFO L225 Difference]: With dead ends: 1049 [2020-09-24 15:41:19,146 INFO L226 Difference]: Without dead ends: 799 [2020-09-24 15:41:19,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:41:19,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2020-09-24 15:41:19,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 573. [2020-09-24 15:41:19,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-09-24 15:41:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 622 transitions. [2020-09-24 15:41:19,272 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 622 transitions. Word has length 193 [2020-09-24 15:41:19,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:19,273 INFO L479 AbstractCegarLoop]: Abstraction has 573 states and 622 transitions. [2020-09-24 15:41:19,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:41:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 622 transitions. [2020-09-24 15:41:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-09-24 15:41:19,278 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:19,278 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, 1, 1, 1, 1] [2020-09-24 15:41:19,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:41:19,279 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:19,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:19,279 INFO L82 PathProgramCache]: Analyzing trace with hash -135678691, now seen corresponding path program 1 times [2020-09-24 15:41:19,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:19,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181095068] [2020-09-24 15:41:19,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,396 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-09-24 15:41:19,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 15:41:19,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-24 15:41:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:41:19,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-09-24 15:41:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:19,765 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:19,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,821 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,822 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,822 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,822 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:19,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:19,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:19,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:41:19,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:19,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:19,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:19,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:19,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:19,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:19,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:19,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:19,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:19,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:19,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:19,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,898 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,899 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,899 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:19,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:19,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:19,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:19,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:19,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:19,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:19,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:19,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:19,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,927 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:19,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:19,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:19,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:41:19,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:19,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:41:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:19,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:19,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:19,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:41:19,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:19,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:41:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 15:41:19,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:19,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:41:19,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:19,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:19,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:19,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:19,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:19,994 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:19,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:41:19,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:19,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:19,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:41:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:20,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:20,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:20,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:20,011 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:20,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:20,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:20,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:20,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:20,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:20,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:41:20,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:20,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:20,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:20,021 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:20,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:20,022 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:20,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:20,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:20,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:20,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:20,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:20,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:20,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:20,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:20,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:20,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:20,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:20,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:20,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:20,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:20,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:20,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:20,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-24 15:41:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:20,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:20,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:20,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:20,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:20,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:20,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:20,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:20,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:20,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:20,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 15:41:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:20,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:20,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:20,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:20,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:20,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:20,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:20,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:20,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:20,159 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 15:41:20,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181095068] [2020-09-24 15:41:20,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:20,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:41:20,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543128288] [2020-09-24 15:41:20,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:41:20,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:20,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:41:20,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:41:20,167 INFO L87 Difference]: Start difference. First operand 573 states and 622 transitions. Second operand 11 states. [2020-09-24 15:41:20,760 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:22,434 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:22,762 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:23,034 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:23,363 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:23,670 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:24,022 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:41:24,324 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:41:24,681 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:26,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:26,336 INFO L93 Difference]: Finished difference Result 934 states and 1156 transitions. [2020-09-24 15:41:26,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 15:41:26,337 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 198 [2020-09-24 15:41:26,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:26,343 INFO L225 Difference]: With dead ends: 934 [2020-09-24 15:41:26,343 INFO L226 Difference]: Without dead ends: 931 [2020-09-24 15:41:26,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-24 15:41:26,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-09-24 15:41:26,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 573. [2020-09-24 15:41:26,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-09-24 15:41:26,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 621 transitions. [2020-09-24 15:41:26,433 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 621 transitions. Word has length 198 [2020-09-24 15:41:26,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:26,433 INFO L479 AbstractCegarLoop]: Abstraction has 573 states and 621 transitions. [2020-09-24 15:41:26,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:41:26,434 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 621 transitions. [2020-09-24 15:41:26,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:41:26,437 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:26,437 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, 1, 1, 1, 1, 1] [2020-09-24 15:41:26,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:41:26,438 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:26,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:26,438 INFO L82 PathProgramCache]: Analyzing trace with hash 212216192, now seen corresponding path program 1 times [2020-09-24 15:41:26,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:26,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668139483] [2020-09-24 15:41:26,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:41:26,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:41:26,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-24 15:41:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:26,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,757 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:26,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:26,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:26,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,807 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,807 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:26,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:26,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,812 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,812 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:26,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:26,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:26,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:26,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:26,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:26,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:41:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,840 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:26,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:41:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,859 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:41:26,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:26,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:26,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:41:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:26,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:41:26,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:26,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:41:26,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:41:26,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:26,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:26,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:26,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:41:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:41:26,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:26,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,956 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:26,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:41:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:41:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:26,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:26,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:26,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:41:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:26,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:26,968 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:26,968 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:26,968 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:26,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:26,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:26,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:41:26,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:26,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:26,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:27,004 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 15:41:27,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668139483] [2020-09-24 15:41:27,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:27,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 15:41:27,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948528966] [2020-09-24 15:41:27,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:41:27,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:27,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:41:27,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:41:27,007 INFO L87 Difference]: Start difference. First operand 573 states and 621 transitions. Second operand 11 states. [2020-09-24 15:41:28,293 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:28,574 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:28,880 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:41:29,216 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:29,522 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:41:29,808 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:41:31,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:31,133 INFO L93 Difference]: Finished difference Result 1404 states and 1697 transitions. [2020-09-24 15:41:31,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:41:31,134 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 199 [2020-09-24 15:41:31,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:31,142 INFO L225 Difference]: With dead ends: 1404 [2020-09-24 15:41:31,142 INFO L226 Difference]: Without dead ends: 941 [2020-09-24 15:41:31,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 15:41:31,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-09-24 15:41:31,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 589. [2020-09-24 15:41:31,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-09-24 15:41:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 637 transitions. [2020-09-24 15:41:31,236 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 637 transitions. Word has length 199 [2020-09-24 15:41:31,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:31,237 INFO L479 AbstractCegarLoop]: Abstraction has 589 states and 637 transitions. [2020-09-24 15:41:31,237 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:41:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 637 transitions. [2020-09-24 15:41:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-24 15:41:31,241 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:31,241 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, 1, 1, 1, 1, 1] [2020-09-24 15:41:31,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:41:31,241 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:31,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:31,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1893019331, now seen corresponding path program 1 times [2020-09-24 15:41:31,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:31,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074101312] [2020-09-24 15:41:31,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,322 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,322 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-09-24 15:41:31,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:41:31,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:41:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:41:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 15:41:31,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:41:31,656 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:41:31,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:41:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,700 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,700 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,701 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,701 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:41:31,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:31,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:41:31,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:41:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:31,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:31,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:31,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:41:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,767 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:31,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:41:31,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:31,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:41:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,776 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:31,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:31,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:41:31,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:41:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,783 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,783 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,783 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:41:31,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:31,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:41:31,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:41:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,800 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:41:31,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:31,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:41:31,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:41:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,820 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,820 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,821 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:31,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:31,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:41:31,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 15:41:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:41:31,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:41:31,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-24 15:41:31,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-24 15:41:31,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,883 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:41:31,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:41:31,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:41:31,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:41:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,912 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,912 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:41:31,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:31,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:41:31,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:41:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:41:31,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:31,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:41:31,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:41:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,974 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:31,975 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:31,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:31,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:41:31,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:31,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:41:31,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:31,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:41:31,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:41:31,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:41:31,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:31,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 15:41:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:31,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:31,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:32,000 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:32,000 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:32,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:32,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:32,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:32,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:32,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:32,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:32,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:32,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:32,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-24 15:41:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:41:32,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:41:32,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:41:32,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:41:32,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:41:32,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:41:32,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:41:32,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:41:32,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:41:32,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:41:32,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:41:32,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:41:32,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:41:32,135 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 15:41:32,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074101312] [2020-09-24 15:41:32,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:41:32,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:41:32,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24061014] [2020-09-24 15:41:32,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:41:32,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:41:32,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:41:32,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:41:32,138 INFO L87 Difference]: Start difference. First operand 589 states and 637 transitions. Second operand 8 states. [2020-09-24 15:41:32,834 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:33,449 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:41:36,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:41:36,975 INFO L93 Difference]: Finished difference Result 2087 states and 2631 transitions. [2020-09-24 15:41:36,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 15:41:36,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 199 [2020-09-24 15:41:36,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:41:36,987 INFO L225 Difference]: With dead ends: 2087 [2020-09-24 15:41:36,987 INFO L226 Difference]: Without dead ends: 1608 [2020-09-24 15:41:36,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-09-24 15:41:36,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-09-24 15:41:37,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1031. [2020-09-24 15:41:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1031 states. [2020-09-24 15:41:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1153 transitions. [2020-09-24 15:41:37,147 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1153 transitions. Word has length 199 [2020-09-24 15:41:37,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:41:37,148 INFO L479 AbstractCegarLoop]: Abstraction has 1031 states and 1153 transitions. [2020-09-24 15:41:37,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:41:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1153 transitions. [2020-09-24 15:41:37,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 15:41:37,152 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:41:37,153 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:41:37,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:41:37,153 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:41:37,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:41:37,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1025322585, now seen corresponding path program 1 times [2020-09-24 15:41:37,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:41:37,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657173251] [2020-09-24 15:41:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:41:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 15:41:37,272 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 15:41:37,272 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 15:41:37,280 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:41:37,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:41:37 BoogieIcfgContainer [2020-09-24 15:41:37,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:41:37,339 INFO L168 Benchmark]: Toolchain (without parser) took 43245.02 ms. Allocated memory was 146.8 MB in the beginning and 807.4 MB in the end (delta: 660.6 MB). Free memory was 102.3 MB in the beginning and 386.5 MB in the end (delta: -284.3 MB). Peak memory consumption was 376.3 MB. Max. memory is 7.1 GB. [2020-09-24 15:41:37,343 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 15:41:37,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 848.41 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.6 MB in the beginning and 172.4 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2020-09-24 15:41:37,350 INFO L168 Benchmark]: Boogie Preprocessor took 102.70 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-24 15:41:37,351 INFO L168 Benchmark]: RCFGBuilder took 1289.06 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 178.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. [2020-09-24 15:41:37,353 INFO L168 Benchmark]: TraceAbstraction took 40990.60 ms. Allocated memory was 235.9 MB in the beginning and 807.4 MB in the end (delta: 571.5 MB). Free memory was 177.0 MB in the beginning and 386.5 MB in the end (delta: -209.5 MB). Peak memory consumption was 362.0 MB. Max. memory is 7.1 GB. [2020-09-24 15:41:37,357 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 848.41 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 101.6 MB in the beginning and 172.4 MB in the end (delta: -70.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.70 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 168.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1289.06 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 168.2 MB in the beginning and 178.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 85.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40990.60 ms. Allocated memory was 235.9 MB in the beginning and 807.4 MB in the end (delta: 571.5 MB). Free memory was 177.0 MB in the beginning and 386.5 MB in the end (delta: -209.5 MB). Peak memory consumption was 362.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 837]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L377] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L580] int pumpRunning = 0; [L581] int systemActive = 1; [L843] int waterLevel = 1; [L844] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] RET, EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L767] int splverifierCounter ; [L768] int tmp ; [L769] int tmp___0 ; [L770] int tmp___1 ; [L771] int tmp___2 ; [L774] splverifierCounter = 0 [L776] COND TRUE 1 [L778] COND TRUE splverifierCounter < 4 [L784] tmp = __VERIFIER_nondet_int() [L786] COND TRUE \read(tmp) [L788] CALL waterRise() [L861] COND TRUE waterLevel < 2 [L862] waterLevel = waterLevel + 1 [L788] RET waterRise() [L794] tmp___0 = __VERIFIER_nondet_int() [L796] COND TRUE \read(tmp___0) [L798] CALL changeMethaneLevel() [L873] COND FALSE !(\read(methaneLevelCritical)) [L876] methaneLevelCritical = 1 [L798] RET changeMethaneLevel() [L804] tmp___2 = __VERIFIER_nondet_int() [L806] COND TRUE \read(tmp___2) [L808] CALL startSystem() [L761] systemActive = 1 [L808] RET startSystem() [L821] CALL timeShift() [L587] COND FALSE !(\read(pumpRunning)) [L594] COND TRUE \read(systemActive) [L596] CALL processEnvironment() [L642] int tmp ; [L645] COND FALSE !(\read(pumpRunning)) [L660] CALL processEnvironment__wrappee__highWaterSensor() [L616] int tmp ; [L619] COND TRUE ! pumpRunning [L621] CALL, EXPR isHighWaterLevel() [L739] int retValue_acc ; [L740] int tmp ; [L741] int tmp___0 ; [L745] CALL, EXPR isHighWaterSensorDry() [L923] int retValue_acc ; [L926] COND FALSE !(waterLevel < 2) [L930] retValue_acc = 0 [L931] return (retValue_acc); [L745] RET, EXPR isHighWaterSensorDry() [L745] tmp = isHighWaterSensorDry() [L747] COND FALSE !(\read(tmp)) [L750] tmp___0 = 1 [L752] retValue_acc = tmp___0 [L753] return (retValue_acc); [L621] RET, EXPR isHighWaterLevel() [L621] tmp = isHighWaterLevel() [L623] COND TRUE \read(tmp) [L625] CALL activatePump() [L670] pumpRunning = 1 [L625] RET activatePump() [L660] RET processEnvironment__wrappee__highWaterSensor() [L596] RET processEnvironment() [L602] CALL __utac_acc__Specification1_spec__1() [L183] int tmp ; [L184] int tmp___0 ; [L188] CALL, EXPR isMethaneLevelCritical() [L882] int retValue_acc ; [L885] retValue_acc = methaneLevelCritical [L886] return (retValue_acc); [L188] RET, EXPR isMethaneLevelCritical() [L188] tmp = isMethaneLevelCritical() [L190] COND TRUE \read(tmp) [L192] CALL, EXPR isPumpRunning() [L694] int retValue_acc ; [L697] retValue_acc = pumpRunning [L698] return (retValue_acc); [L192] RET, EXPR isPumpRunning() [L192] tmp___0 = isPumpRunning() [L194] COND TRUE \read(tmp___0) [L196] CALL __automaton_fail() [L837] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 622 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 40.8s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 32.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2182 SDtfs, 5111 SDslu, 3249 SDs, 0 SdLazy, 7361 SolverSat, 1586 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 250 SyntacticMatches, 3 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1031occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 1900 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1796 NumberOfCodeBlocks, 1796 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1583 ConstructedInterpolants, 0 QuantifiedInterpolants, 745632 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...