/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --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_spec2_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:07:08,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:07:08,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:07:08,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:07:08,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:07:08,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:07:08,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:07:08,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:07:08,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:07:08,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:07:08,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:07:08,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:07:08,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:07:08,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:07:08,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:07:08,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:07:08,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:07:08,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:07:08,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:07:08,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:07:08,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:07:08,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:07:08,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:07:08,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:07:08,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:07:08,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:07:08,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:07:08,880 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:07:08,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:07:08,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:07:08,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:07:08,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:07:08,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:07:08,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:07:08,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:07:08,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:07:08,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:07:08,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:07:08,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:07:08,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:07:08,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:07:08,891 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 13:07:08,929 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:07:08,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:07:08,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:07:08,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:07:08,931 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:07:08,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:07:08,932 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:07:08,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:07:08,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:07:08,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:07:08,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:07:08,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:07:08,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:07:08,933 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:07:08,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:07:08,934 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:07:08,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:07:08,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:07:08,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:07:08,934 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:07:08,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:07:08,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:07:08,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:07:08,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:07:08,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:07:08,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:07:08,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:07:08,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:07:08,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:07:08,936 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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;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=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:07:09,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:07:09,421 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:07:09,428 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:07:09,430 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:07:09,431 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:07:09,433 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-09-25 13:07:09,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5b59e43f/32d75b836c3348449a6e68b6c3257ec6/FLAGcb0571817 [2020-09-25 13:07:10,134 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:07:10,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product05.cil.c [2020-09-25 13:07:10,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5b59e43f/32d75b836c3348449a6e68b6c3257ec6/FLAGcb0571817 [2020-09-25 13:07:10,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a5b59e43f/32d75b836c3348449a6e68b6c3257ec6 [2020-09-25 13:07:10,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:07:10,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:07:10,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:07:10,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:07:10,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:07:10,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:07:10" (1/1) ... [2020-09-25 13:07:10,444 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 01:07:10, skipping insertion in model container [2020-09-25 13:07:10,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:07:10" (1/1) ... [2020-09-25 13:07:10,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:07:10,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:07:10,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:07:10,998 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:07:11,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:07:11,212 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:07:11,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11 WrapperNode [2020-09-25 13:07:11,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:07:11,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:07:11,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:07:11,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:07:11,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11" (1/1) ... [2020-09-25 13:07:11,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11" (1/1) ... [2020-09-25 13:07:11,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11" (1/1) ... [2020-09-25 13:07:11,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11" (1/1) ... [2020-09-25 13:07:11,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11" (1/1) ... [2020-09-25 13:07:11,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11" (1/1) ... [2020-09-25 13:07:11,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11" (1/1) ... [2020-09-25 13:07:11,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:07:11,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:07:11,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:07:11,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:07:11,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11" (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 13:07:11,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:07:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:07:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:07:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:07:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:07:11,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:07:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:07:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:07:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:07:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:07:11,441 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:07:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:07:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:07:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:07:11,442 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:07:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:07:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:07:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:07:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:07:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:07:11,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:07:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:07:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:07:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:07:11,446 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:07:11,448 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:07:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:07:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:07:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:07:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:07:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:07:11,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:07:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:07:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:07:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:07:11,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:07:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:07:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:07:11,451 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:07:11,452 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:07:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:07:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:07:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:07:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:07:11,453 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:07:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:07:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:07:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:07:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:07:11,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:07:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:07:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:07:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:07:11,455 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:07:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:07:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:07:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:07:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:07:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:07:11,456 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:07:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:07:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:07:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:07:11,457 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:07:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:07:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:07:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:07:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:07:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:07:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:07:11,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:07:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:07:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:07:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:07:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:07:11,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:07:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:07:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:07:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:07:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:07:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:07:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:07:11,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:07:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:07:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:07:11,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:07:12,635 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:07:12,635 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:07:12,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:07:12 BoogieIcfgContainer [2020-09-25 13:07:12,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:07:12,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:07:12,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:07:12,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:07:12,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:07:10" (1/3) ... [2020-09-25 13:07:12,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57283b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:07:12, skipping insertion in model container [2020-09-25 13:07:12,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:07:11" (2/3) ... [2020-09-25 13:07:12,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57283b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:07:12, skipping insertion in model container [2020-09-25 13:07:12,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:07:12" (3/3) ... [2020-09-25 13:07:12,653 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2020-09-25 13:07:12,666 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:07:12,678 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:07:12,703 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:07:12,741 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:07:12,741 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:07:12,742 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:07:12,742 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:07:12,742 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:07:12,742 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:07:12,742 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:07:12,743 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:07:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states. [2020-09-25 13:07:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 13:07:12,798 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:12,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:07:12,800 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:12,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:12,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1360572740, now seen corresponding path program 1 times [2020-09-25 13:07:12,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:12,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065124642] [2020-09-25 13:07:12,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:13,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:14,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:15,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:16,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:18,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:18,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 13:07:18,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:07:18,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-25 13:07:18,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:18,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 13:07:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 13:07:18,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:07:18,759 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:18,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:18,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:19,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:19,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:07:19,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:19,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-25 13:07:19,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:19,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:19,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 13:07:19,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:19,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:07:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:19,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:19,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:19,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:19,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:19,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:19,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:19,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:07:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:19,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:19,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:19,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:19,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:19,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:19,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:07:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:19,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:19,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:19,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:19,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:19,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:07:19,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:19,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:19,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:19,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:19,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:19,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:19,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:07:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:19,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:19,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:19,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:19,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:19,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:19,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:19,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:19,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:07:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:19,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:19,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:19,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:07:19,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:19,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:19,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:19,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:19,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:19,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:07:19,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:19,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:07:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:19,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:19,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:19,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:19,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:19,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:19,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:19,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:07:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:19,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:19,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:19,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:19,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:19,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:19,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:19,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:19,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:07:19,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065124642] [2020-09-25 13:07:19,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:19,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:07:19,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683385447] [2020-09-25 13:07:19,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:07:19,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:19,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:07:19,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:07:19,358 INFO L87 Difference]: Start difference. First operand 273 states. Second operand 5 states. [2020-09-25 13:07:19,974 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:07:20,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:20,797 INFO L93 Difference]: Finished difference Result 404 states and 482 transitions. [2020-09-25 13:07:20,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:07:20,805 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 13:07:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:20,841 INFO L225 Difference]: With dead ends: 404 [2020-09-25 13:07:20,842 INFO L226 Difference]: Without dead ends: 267 [2020-09-25 13:07:20,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 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 13:07:20,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-09-25 13:07:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 222. [2020-09-25 13:07:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-09-25 13:07:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2020-09-25 13:07:20,966 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 148 [2020-09-25 13:07:20,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:07:20,968 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2020-09-25 13:07:20,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:07:20,968 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2020-09-25 13:07:20,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 13:07:20,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:20,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:07:20,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:07:20,974 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:20,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:20,974 INFO L82 PathProgramCache]: Analyzing trace with hash -731898127, now seen corresponding path program 1 times [2020-09-25 13:07:20,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:20,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275799426] [2020-09-25 13:07:20,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:21,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:21,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:22,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:22,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:23,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 13:07:26,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:07:26,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 13:07:26,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 13:07:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 13:07:26,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 13:07:26,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:26,429 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:26,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:07:26,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 13:07:26,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:26,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:26,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:26,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:07:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:26,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:26,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:26,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:26,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:26,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:07:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:26,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:26,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:26,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:26,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:07:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:26,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:26,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:26,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:26,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:26,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:07:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:26,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:26,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:26,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:26,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:26,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:07:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:07:26,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:26,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:07:26,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 13:07:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:26,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:26,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:07:26,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:07:26,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:26,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:26,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:26,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:26,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-25 13:07:26,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:07:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:26,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:26,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:26,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:26,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:26,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:07:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:26,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:26,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:26,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:26,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:26,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:26,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:26,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:26,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:07:26,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [275799426] [2020-09-25 13:07:26,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:26,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:07:26,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602709216] [2020-09-25 13:07:26,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:07:26,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:26,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:07:26,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:07:26,720 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand 6 states. [2020-09-25 13:07:27,286 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:07:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:29,664 INFO L93 Difference]: Finished difference Result 500 states and 651 transitions. [2020-09-25 13:07:29,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:07:29,665 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 13:07:29,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:29,674 INFO L225 Difference]: With dead ends: 500 [2020-09-25 13:07:29,674 INFO L226 Difference]: Without dead ends: 497 [2020-09-25 13:07:29,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:07:29,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2020-09-25 13:07:29,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 329. [2020-09-25 13:07:29,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-09-25 13:07:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 369 transitions. [2020-09-25 13:07:29,784 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 369 transitions. Word has length 157 [2020-09-25 13:07:29,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:07:29,785 INFO L479 AbstractCegarLoop]: Abstraction has 329 states and 369 transitions. [2020-09-25 13:07:29,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:07:29,786 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 369 transitions. [2020-09-25 13:07:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-25 13:07:29,792 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:29,792 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:07:29,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:07:29,793 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:29,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:29,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1417273776, now seen corresponding path program 1 times [2020-09-25 13:07:29,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:29,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [885441985] [2020-09-25 13:07:29,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:29,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:30,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:30,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:30,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:30,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:31,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:32,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:34,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:34,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-09-25 13:07:34,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:07:34,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 13:07:34,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:34,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:07:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:07:34,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-25 13:07:34,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:07:35,302 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:35,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:07:35,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-09-25 13:07:35,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:07:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:35,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:07:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:35,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:07:35,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:35,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:07:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:35,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:07:35,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:35,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:35,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:07:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:35,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:07:35,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:35,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:07:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:35,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:07:35,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:35,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:35,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:35,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:07:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:07:35,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:35,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:07:35,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:35,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:07:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 13:07:35,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:07:35,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 13:07:35,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:35,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 13:07:35,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:35,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:35,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:35,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:35,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:35,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:35,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:07:35,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:35,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:07:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 13:07:35,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:35,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:35,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:35,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:35,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:35,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:35,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:35,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:35,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:35,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:35,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:35,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:35,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:35,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 13:07:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:35,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:35,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 13:07:36,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:07:36,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-09-25 13:07:36,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:07:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 13:07:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 13:07:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:36,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:36,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:36,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:36,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:36,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:36,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:36,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:36,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:36,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:36,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:07:36,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:36,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:36,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:36,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:07:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:36,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:07:36,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:36,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 13:07:36,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:07:36,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:36,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:07:36,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:36,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:36,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:36,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:07:36,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:07:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:07:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:07:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:36,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:36,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:36,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:36,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:36,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:36,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:36,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 13:07:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:36,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:36,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:36,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:36,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:07:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:36,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:36,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:36,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:36,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:07:36,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:36,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:36,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 13:07:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:36,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:36,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:36,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:36,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:36,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:36,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:36,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 13:07:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:36,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:36,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:36,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:36,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:36,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:36,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:36,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:36,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:36,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:36,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:36,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-09-25 13:07:36,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [885441985] [2020-09-25 13:07:36,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:07:36,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 13:07:36,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255492154] [2020-09-25 13:07:36,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 13:07:36,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:36,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 13:07:36,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-25 13:07:36,640 INFO L87 Difference]: Start difference. First operand 329 states and 369 transitions. Second operand 12 states. [2020-09-25 13:07:37,162 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:07:38,330 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:07:38,658 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:07:39,035 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:07:39,668 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:07:40,036 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:07:40,939 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 13:07:41,545 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 13:07:42,085 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 13:07:43,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:43,308 INFO L93 Difference]: Finished difference Result 886 states and 1136 transitions. [2020-09-25 13:07:43,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 13:07:43,310 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 234 [2020-09-25 13:07:43,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:43,317 INFO L225 Difference]: With dead ends: 886 [2020-09-25 13:07:43,317 INFO L226 Difference]: Without dead ends: 654 [2020-09-25 13:07:43,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=218, Invalid=652, Unknown=0, NotChecked=0, Total=870 [2020-09-25 13:07:43,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2020-09-25 13:07:43,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 402. [2020-09-25 13:07:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-09-25 13:07:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 451 transitions. [2020-09-25 13:07:43,401 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 451 transitions. Word has length 234 [2020-09-25 13:07:43,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:07:43,401 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 451 transitions. [2020-09-25 13:07:43,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 13:07:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 451 transitions. [2020-09-25 13:07:43,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 13:07:43,407 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:43,407 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 13:07:43,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:07:43,407 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:43,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:43,408 INFO L82 PathProgramCache]: Analyzing trace with hash 869482176, now seen corresponding path program 1 times [2020-09-25 13:07:43,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:43,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1012896257] [2020-09-25 13:07:43,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:43,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:43,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:43,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:43,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:44,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:46,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:48,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:48,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:48,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 13:07:48,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:07:48,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 13:07:48,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:48,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 13:07:48,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 13:07:48,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:48,805 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:48,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:48,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:48,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:48,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:07:48,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:48,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 13:07:48,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:48,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:48,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:48,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:48,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:48,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:48,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:07:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:48,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:48,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:48,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:48,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:48,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:48,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:48,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:48,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:48,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:48,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:07:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:48,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:48,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:48,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:48,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:48,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:48,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:48,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:48,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:48,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:48,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:48,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:48,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:07:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:48,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:48,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:48,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:48,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:48,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:07:48,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:48,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:48,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:48,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:48,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:07:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:48,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:48,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:48,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:48,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:48,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:48,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:48,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:48,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:48,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:48,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:48,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:07:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:07:49,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:49,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:49,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:07:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:07:49,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:07:49,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:49,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:07:49,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:07:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 13:07:49,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:07:49,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-25 13:07:49,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:49,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 13:07:49,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:49,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:07:49,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:49,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:07:49,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:49,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:49,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:49,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:07:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:07:49,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:07:49,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:49,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:49,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:49,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:49,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:07:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:49,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:49,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 13:07:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:49,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:49,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:07:49,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:49,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:49,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 13:07:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:49,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:49,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:49,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 13:07:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:49,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:49,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:49,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:49,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:49,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:49,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:49,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:49,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-25 13:07:49,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1012896257] [2020-09-25 13:07:49,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:07:49,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 13:07:49,550 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433955339] [2020-09-25 13:07:49,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 13:07:49,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:49,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 13:07:49,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:07:49,553 INFO L87 Difference]: Start difference. First operand 402 states and 451 transitions. Second operand 8 states. [2020-09-25 13:07:50,330 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:07:51,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:07:51,598 INFO L93 Difference]: Finished difference Result 731 states and 888 transitions. [2020-09-25 13:07:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 13:07:51,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 216 [2020-09-25 13:07:51,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:07:51,608 INFO L225 Difference]: With dead ends: 731 [2020-09-25 13:07:51,608 INFO L226 Difference]: Without dead ends: 577 [2020-09-25 13:07:51,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2020-09-25 13:07:51,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-09-25 13:07:51,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 382. [2020-09-25 13:07:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-09-25 13:07:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 421 transitions. [2020-09-25 13:07:51,711 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 421 transitions. Word has length 216 [2020-09-25 13:07:51,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:07:51,711 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 421 transitions. [2020-09-25 13:07:51,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 13:07:51,711 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 421 transitions. [2020-09-25 13:07:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 13:07:51,715 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:07:51,715 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:07:51,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:07:51,716 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:07:51,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:07:51,717 INFO L82 PathProgramCache]: Analyzing trace with hash -785143487, now seen corresponding path program 1 times [2020-09-25 13:07:51,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:07:51,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106440123] [2020-09-25 13:07:51,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:07:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:51,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:51,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:52,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:52,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:53,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:56,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:56,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-09-25 13:07:56,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:07:56,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 13:07:56,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:56,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:56,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:07:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 13:07:56,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-25 13:07:56,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,104 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:07:57,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:07:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:07:57,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-25 13:07:57,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 13:07:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:57,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:07:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:57,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:57,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:57,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:57,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:07:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:57,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:57,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:57,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:57,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:07:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:57,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:07:57,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:07:57,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:07:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:57,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:57,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:57,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:07:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:07:57,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:57,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:07:57,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:57,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:07:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:07:57,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:07:57,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:07:57,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:57,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:07:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 13:07:57,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:07:57,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-09-25 13:07:57,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:07:57,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 13:07:57,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 13:07:57,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:57,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:07:57,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 13:07:57,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:57,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:57,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:07:57,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:57,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:07:57,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:07:57,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:07:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:57,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:57,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:57,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:07:57,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:57,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 13:07:57,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:57,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:07:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:07:57,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 13:07:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:58,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:58,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:58,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:58,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:58,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:58,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:07:58,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:58,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:58,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:07:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:58,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:58,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:58,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:07:58,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:58,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:07:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:07:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:58,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 13:07:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:58,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:58,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:58,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:07:58,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:58,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:07:58,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:58,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:58,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:07:58,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:58,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:58,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:07:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:58,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:58,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:58,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:07:58,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:58,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:07:58,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:58,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:07:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:58,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:58,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 13:07:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:58,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:58,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:58,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:58,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:58,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:07:58,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:58,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:58,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:58,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:58,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 13:07:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:07:58,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:07:58,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:07:58,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:07:58,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:07:58,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:07:58,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:07:58,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:07:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:07:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:07:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:07:58,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:07:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 13:07:58,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106440123] [2020-09-25 13:07:58,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:07:58,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 13:07:58,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745031146] [2020-09-25 13:07:58,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 13:07:58,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:07:58,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 13:07:58,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-25 13:07:58,106 INFO L87 Difference]: Start difference. First operand 382 states and 421 transitions. Second operand 13 states. [2020-09-25 13:07:58,741 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:08:00,129 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192