/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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_spec5_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:48:43,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:48:43,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:48:43,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:48:43,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:48:43,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:48:43,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:48:43,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:48:43,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:48:43,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:48:43,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:48:43,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:48:43,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:48:43,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:48:43,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:48:43,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:48:43,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:48:43,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:48:43,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:48:43,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:48:43,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:48:43,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:48:43,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:48:43,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:48:43,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:48:43,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:48:43,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:48:43,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:48:43,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:48:43,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:48:43,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:48:43,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:48:43,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:48:43,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:48:43,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:48:43,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:48:43,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:48:43,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:48:43,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:48:43,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:48:43,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:48:43,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:48:43,902 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:48:43,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:48:43,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:48:43,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:48:43,904 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:48:43,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:48:43,905 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:48:43,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:48:43,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:48:43,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:48:43,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:48:43,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:48:43,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:48:43,906 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:48:43,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:48:43,906 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:48:43,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:48:43,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:48:43,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:48:43,907 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:48:43,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:48:43,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:48:43,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:48:43,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:48:43,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:48:43,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:48:43,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:48:43,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:48:43,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:48:43,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:48:44,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:48:44,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:48:44,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:48:44,401 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:48:44,401 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:48:44,403 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-09-25 08:48:44,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/318ae41b7/9abd9b5fabd04530a954bc710eea5394/FLAG6ac41ab1a [2020-09-25 08:48:45,133 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:48:45,134 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2020-09-25 08:48:45,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/318ae41b7/9abd9b5fabd04530a954bc710eea5394/FLAG6ac41ab1a [2020-09-25 08:48:45,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/318ae41b7/9abd9b5fabd04530a954bc710eea5394 [2020-09-25 08:48:45,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:48:45,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:48:45,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:48:45,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:48:45,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:48:45,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:48:45" (1/1) ... [2020-09-25 08:48:45,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:45, skipping insertion in model container [2020-09-25 08:48:45,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:48:45" (1/1) ... [2020-09-25 08:48:45,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:48:45,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:48:45,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:48:45,899 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:48:46,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:48:46,146 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:48:46,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46 WrapperNode [2020-09-25 08:48:46,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:48:46,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:48:46,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:48:46,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:48:46,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46" (1/1) ... [2020-09-25 08:48:46,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46" (1/1) ... [2020-09-25 08:48:46,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46" (1/1) ... [2020-09-25 08:48:46,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46" (1/1) ... [2020-09-25 08:48:46,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46" (1/1) ... [2020-09-25 08:48:46,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46" (1/1) ... [2020-09-25 08:48:46,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46" (1/1) ... [2020-09-25 08:48:46,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:48:46,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:48:46,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:48:46,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:48:46,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:48:46,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:48:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:48:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:48:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:48:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:48:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:48:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:48:46,387 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:48:46,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:48:46,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:48:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:48:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:48:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:48:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:48:46,388 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:48:46,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:48:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:48:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:48:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:48:46,390 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:48:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:48:46,391 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:48:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:48:46,392 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:48:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:48:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:48:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:48:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:48:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:48:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:48:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:48:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:48:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:48:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:48:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:48:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:48:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:48:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:48:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:48:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:48:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:48:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:48:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:48:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:48:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:48:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:48:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:48:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:48:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:48:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:48:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:48:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:48:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:48:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:48:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:48:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:48:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:48:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:48:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:48:46,400 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:48:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:48:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:48:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:48:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:48:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:48:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:48:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:48:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:48:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:48:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:48:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:48:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:48:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:48:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:48:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:48:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:48:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:48:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:48:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:48:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:48:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:48:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:48:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:48:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:48:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:48:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:48:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:48:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:48:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:48:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:48:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:48:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:48:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:48:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:48:47,621 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:48:47,621 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:48:47,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:48:47 BoogieIcfgContainer [2020-09-25 08:48:47,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:48:47,632 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:48:47,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:48:47,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:48:47,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:48:45" (1/3) ... [2020-09-25 08:48:47,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5072b0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:48:47, skipping insertion in model container [2020-09-25 08:48:47,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:46" (2/3) ... [2020-09-25 08:48:47,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5072b0ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:48:47, skipping insertion in model container [2020-09-25 08:48:47,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:48:47" (3/3) ... [2020-09-25 08:48:47,645 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2020-09-25 08:48:47,658 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:48:47,674 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:48:47,700 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:48:47,748 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:48:47,748 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:48:47,748 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:48:47,748 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:48:47,748 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:48:47,748 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:48:47,749 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:48:47,749 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:48:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-09-25 08:48:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:48:47,830 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:47,831 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:48:47,832 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:47,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:47,843 INFO L82 PathProgramCache]: Analyzing trace with hash -749536702, now seen corresponding path program 1 times [2020-09-25 08:48:47,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:47,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2099296620] [2020-09-25 08:48:47,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:48,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:48,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:49,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:49,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:51,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 08:48:53,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:48:53,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-09-25 08:48:53,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 08:48:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 08:48:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 08:48:53,891 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:53,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:54,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-09-25 08:48:54,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:54,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:54,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 08:48:54,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:48:54,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:54,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:48:54,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:54,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:54,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:48:54,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:54,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:54,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 08:48:54,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:54,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:54,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:48:54,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:48:54,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:54,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:54,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:48:54,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:48:54,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:54,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:54,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:48:54,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:54,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:54,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:48:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:54,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:54,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:48:54,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:54,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:48:54,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:54,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:48:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:54,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:48:54,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:54,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:54,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:48:54,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:48:54,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:54,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:54,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:54,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:54,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:48:54,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:48:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:54,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:54,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:54,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:54,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:54,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:54,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:48:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:54,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:54,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:54,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:54,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:54,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:54,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:54,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:54,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:54,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:54,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 08:48:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:48:54,811 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2099296620] [2020-09-25 08:48:54,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:54,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:48:54,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256192530] [2020-09-25 08:48:54,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:48:54,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:54,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:48:54,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:48:54,862 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 5 states. [2020-09-25 08:48:55,571 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:56,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:56,657 INFO L93 Difference]: Finished difference Result 495 states and 579 transitions. [2020-09-25 08:48:56,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:48:56,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 160 [2020-09-25 08:48:56,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:56,680 INFO L225 Difference]: With dead ends: 495 [2020-09-25 08:48:56,680 INFO L226 Difference]: Without dead ends: 312 [2020-09-25 08:48:56,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:48:56,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-25 08:48:56,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 268. [2020-09-25 08:48:56,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-25 08:48:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-09-25 08:48:56,806 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 160 [2020-09-25 08:48:56,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:56,807 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-09-25 08:48:56,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:48:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-09-25 08:48:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-09-25 08:48:56,811 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:56,812 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:48:56,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:48:56,812 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:56,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:56,813 INFO L82 PathProgramCache]: Analyzing trace with hash -443494427, now seen corresponding path program 1 times [2020-09-25 08:48:56,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:56,813 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088240823] [2020-09-25 08:48:56,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:56,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:57,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:57,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:59,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:59,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:59,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:01,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:01,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 08:49:01,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 08:49:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 08:49:01,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:01,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:49:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 08:49:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 08:49:01,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,233 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:02,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:02,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-09-25 08:49:02,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:02,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:02,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:02,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:02,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:02,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:02,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:49:02,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:02,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:02,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:02,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:02,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:49:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:02,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:02,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:02,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:02,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:02,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:49:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 08:49:02,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:49:02,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:49:02,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:49:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:49:02,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:49:02,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:49:02,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:49:02,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:49:02,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:49:02,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:49:02,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:02,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:02,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:49:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-25 08:49:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:02,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:02,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:02,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 08:49:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:02,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:02,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:02,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:02,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:02,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:49:02,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:02,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:02,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:02,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:02,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:02,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 08:49:02,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088240823] [2020-09-25 08:49:02,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:02,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 08:49:02,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060543615] [2020-09-25 08:49:02,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 08:49:02,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:02,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 08:49:02,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:49:02,670 INFO L87 Difference]: Start difference. First operand 268 states and 290 transitions. Second operand 11 states. [2020-09-25 08:49:03,191 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:49:04,088 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:49:04,431 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 08:49:05,727 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:06,052 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:49:06,470 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:49:07,017 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:49:07,334 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 08:49:07,648 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:49:08,037 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:08,959 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:49:09,294 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 08:49:09,651 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 08:49:09,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:09,955 INFO L93 Difference]: Finished difference Result 648 states and 776 transitions. [2020-09-25 08:49:09,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 08:49:09,956 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 183 [2020-09-25 08:49:09,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:09,962 INFO L225 Difference]: With dead ends: 648 [2020-09-25 08:49:09,963 INFO L226 Difference]: Without dead ends: 495 [2020-09-25 08:49:09,968 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=203, Invalid=727, Unknown=0, NotChecked=0, Total=930 [2020-09-25 08:49:09,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-09-25 08:49:10,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 406. [2020-09-25 08:49:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-09-25 08:49:10,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 452 transitions. [2020-09-25 08:49:10,041 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 452 transitions. Word has length 183 [2020-09-25 08:49:10,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:10,042 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 452 transitions. [2020-09-25 08:49:10,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 08:49:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 452 transitions. [2020-09-25 08:49:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 08:49:10,045 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:10,045 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:10,045 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:49:10,046 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:10,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:10,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1505316662, now seen corresponding path program 1 times [2020-09-25 08:49:10,046 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:10,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1512969664] [2020-09-25 08:49:10,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:10,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:10,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:10,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 08:49:10,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:10,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 883 [2020-09-25 08:49:10,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:10,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:49:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-25 08:49:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:49:10,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:11,245 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:11,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 08:49:11,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:11,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:11,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:11,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:11,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:11,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:11,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:11,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:11,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:11,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:11,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:11,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:11,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:11,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:11,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:11,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:11,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:49:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:11,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:11,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:11,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:11,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:49:11,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:11,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:49:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:49:11,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 08:49:11,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:49:11,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 08:49:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:49:11,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:11,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:49:11,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-09-25 08:49:11,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:49:11,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:49:11,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:49:11,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:11,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:49:11,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 08:49:11,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 08:49:11,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:11,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:49:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:49:11,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:11,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:11,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:11,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:49:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:11,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:11,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:49:11,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:11,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 08:49:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:11,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:11,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:11,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:11,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 08:49:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:11,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:11,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:11,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:11,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:11,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:11,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:11,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:11,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:11,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:49:11,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1512969664] [2020-09-25 08:49:11,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:11,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:49:11,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499375399] [2020-09-25 08:49:11,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:49:11,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:11,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:49:11,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:49:11,783 INFO L87 Difference]: Start difference. First operand 406 states and 452 transitions. Second operand 10 states. [2020-09-25 08:49:13,200 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:13,503 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:49:13,811 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:49:14,132 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:14,467 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:49:14,764 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:15,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:15,813 INFO L93 Difference]: Finished difference Result 775 states and 908 transitions. [2020-09-25 08:49:15,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 08:49:15,814 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 208 [2020-09-25 08:49:15,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:15,819 INFO L225 Difference]: With dead ends: 775 [2020-09-25 08:49:15,819 INFO L226 Difference]: Without dead ends: 484 [2020-09-25 08:49:15,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 08:49:15,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-09-25 08:49:15,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 414. [2020-09-25 08:49:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-09-25 08:49:15,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 460 transitions. [2020-09-25 08:49:15,875 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 460 transitions. Word has length 208 [2020-09-25 08:49:15,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:15,876 INFO L479 AbstractCegarLoop]: Abstraction has 414 states and 460 transitions. [2020-09-25 08:49:15,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:49:15,876 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 460 transitions. [2020-09-25 08:49:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 08:49:15,879 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:15,879 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:15,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:49:15,880 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:15,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:15,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1630521046, now seen corresponding path program 1 times [2020-09-25 08:49:15,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:15,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079627705] [2020-09-25 08:49:15,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:15,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:16,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:16,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 08:49:16,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:16,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 737 [2020-09-25 08:49:16,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:16,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 192 [2020-09-25 08:49:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:49:16,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:16,967 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:16,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:16,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:17,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 08:49:17,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:17,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:17,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:17,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:49:17,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:17,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:49:17,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:17,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:17,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:17,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:17,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:49:17,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:17,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:17,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:17,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:17,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:49:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:49:17,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 08:49:17,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 08:49:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:49:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:49:17,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 08:49:17,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:17,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:49:17,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:49:17,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:49:17,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-25 08:49:17,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:49:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 08:49:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:49:17,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:49:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:49:17,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:49:17,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:49:17,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:17,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:17,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:49:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:17,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:17,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:49:17,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 08:49:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:17,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:17,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:17,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 08:49:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:17,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:17,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:17,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:17,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:17,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:17,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:17,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:17,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:49:17,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079627705] [2020-09-25 08:49:17,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:17,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:49:17,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457122644] [2020-09-25 08:49:17,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:49:17,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:17,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:49:17,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:49:17,690 INFO L87 Difference]: Start difference. First operand 414 states and 460 transitions. Second operand 9 states. [2020-09-25 08:49:19,088 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:19,394 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:49:19,707 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:20,059 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:49:20,371 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:49:21,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:21,476 INFO L93 Difference]: Finished difference Result 794 states and 940 transitions. [2020-09-25 08:49:21,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:49:21,481 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2020-09-25 08:49:21,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:21,486 INFO L225 Difference]: With dead ends: 794 [2020-09-25 08:49:21,486 INFO L226 Difference]: Without dead ends: 495 [2020-09-25 08:49:21,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 08:49:21,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-09-25 08:49:21,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 420. [2020-09-25 08:49:21,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2020-09-25 08:49:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 466 transitions. [2020-09-25 08:49:21,544 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 466 transitions. Word has length 208 [2020-09-25 08:49:21,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:21,545 INFO L479 AbstractCegarLoop]: Abstraction has 420 states and 466 transitions. [2020-09-25 08:49:21,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:49:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 466 transitions. [2020-09-25 08:49:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-25 08:49:21,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:21,549 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:21,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:49:21,550 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:21,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:21,550 INFO L82 PathProgramCache]: Analyzing trace with hash -940026905, now seen corresponding path program 1 times [2020-09-25 08:49:21,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:21,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1437935228] [2020-09-25 08:49:21,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:21,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 08:49:23,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1450 [2020-09-25 08:49:23,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 08:49:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 08:49:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 08:49:23,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,399 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:23,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:49:23,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 08:49:23,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 08:49:23,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:49:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:23,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:23,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:49:23,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:49:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:23,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:23,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:49:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:49:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:23,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:49:23,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:49:23,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:49:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:49:23,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:23,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:49:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:49:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:23,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:23,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:49:23,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:49:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:49:23,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:23,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:49:23,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:49:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:23,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:23,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:49:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:49:23,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 08:49:23,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 08:49:23,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 08:49:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:49:23,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 08:49:23,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:49:23,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:49:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:49:23,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:49:23,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:49:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:49:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:49:23,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:49:23,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:49:23,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:49:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:49:23,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:49:23,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:49:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:49:23,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:49:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-25 08:49:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:23,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:23,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:49:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-25 08:49:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:23,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:23,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:23,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:49:23,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:49:23,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:49:23,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:23,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:23,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:49:23,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:49:23,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:49:23,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:49:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:49:23,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1437935228] [2020-09-25 08:49:23,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:49:23,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 08:49:23,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003279253] [2020-09-25 08:49:23,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 08:49:23,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:49:23,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 08:49:23,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:49:23,961 INFO L87 Difference]: Start difference. First operand 420 states and 466 transitions. Second operand 7 states. [2020-09-25 08:49:24,555 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:49:25,750 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:49:28,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:49:28,485 INFO L93 Difference]: Finished difference Result 1225 states and 1516 transitions. [2020-09-25 08:49:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 08:49:28,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-09-25 08:49:28,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:49:28,493 INFO L225 Difference]: With dead ends: 1225 [2020-09-25 08:49:28,493 INFO L226 Difference]: Without dead ends: 902 [2020-09-25 08:49:28,495 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-25 08:49:28,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2020-09-25 08:49:28,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 789. [2020-09-25 08:49:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-09-25 08:49:28,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 916 transitions. [2020-09-25 08:49:28,636 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 916 transitions. Word has length 208 [2020-09-25 08:49:28,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:49:28,637 INFO L479 AbstractCegarLoop]: Abstraction has 789 states and 916 transitions. [2020-09-25 08:49:28,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 08:49:28,637 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 916 transitions. [2020-09-25 08:49:28,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 08:49:28,641 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:49:28,642 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:49:28,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 08:49:28,642 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:49:28,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:49:28,643 INFO L82 PathProgramCache]: Analyzing trace with hash -492871093, now seen corresponding path program 1 times [2020-09-25 08:49:28,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:49:28,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771871178] [2020-09-25 08:49:28,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:49:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:49:28,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:28,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:49:33,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:49:33,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 08:49:33,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:49:33,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 08:49:33,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:49:33,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:49:33,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 08:49:33,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 08:49:33,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-09-25 08:49:33,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1