/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=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:55:12,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:55:12,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:55:12,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:55:12,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:55:12,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:55:12,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:55:12,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:55:12,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:55:12,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:55:12,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:55:12,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:55:12,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:55:12,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:55:12,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:55:12,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:55:12,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:55:12,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:55:12,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:55:12,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:55:12,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:55:12,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:55:12,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:55:12,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:55:12,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:55:12,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:55:12,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:55:12,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:55:12,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:55:12,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:55:12,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:55:12,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:55:12,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:55:12,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:55:12,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:55:12,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:55:12,902 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:55:12,902 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:55:12,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:55:12,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:55:12,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:55:12,905 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 09:55:12,931 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:55:12,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:55:12,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:55:12,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:55:12,933 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:55:12,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:55:12,933 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:55:12,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:55:12,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:55:12,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:55:12,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:55:12,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:55:12,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:55:12,935 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:55:12,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:55:12,935 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:55:12,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:55:12,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:55:12,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:55:12,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:55:12,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:55:12,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:55:12,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:55:12,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:55:12,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:55:12,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:55:12,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:55:12,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:55:12,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:55:12,938 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 09:55:13,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:55:13,430 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:55:13,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:55:13,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:55:13,441 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:55:13,442 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-25 09:55:13,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13b9500df/fbbe21a698974c40b4d54a6ea957e909/FLAG030283fcf [2020-09-25 09:55:14,233 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:55:14,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-09-25 09:55:14,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13b9500df/fbbe21a698974c40b4d54a6ea957e909/FLAG030283fcf [2020-09-25 09:55:14,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/13b9500df/fbbe21a698974c40b4d54a6ea957e909 [2020-09-25 09:55:14,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:55:14,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:55:14,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:14,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:55:14,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:55:14,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:14" (1/1) ... [2020-09-25 09:55:14,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:14, skipping insertion in model container [2020-09-25 09:55:14,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:55:14" (1/1) ... [2020-09-25 09:55:14,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:55:14,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:55:15,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:15,067 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:55:15,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:55:15,189 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:55:15,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15 WrapperNode [2020-09-25 09:55:15,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:55:15,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:55:15,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:55:15,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:55:15,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15" (1/1) ... [2020-09-25 09:55:15,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15" (1/1) ... [2020-09-25 09:55:15,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15" (1/1) ... [2020-09-25 09:55:15,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15" (1/1) ... [2020-09-25 09:55:15,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15" (1/1) ... [2020-09-25 09:55:15,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15" (1/1) ... [2020-09-25 09:55:15,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15" (1/1) ... [2020-09-25 09:55:15,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:55:15,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:55:15,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:55:15,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:55:15,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15" (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 09:55:15,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:55:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:55:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:15,360 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:55:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:55:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:55:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:55:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:55:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:55:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:55:15,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:55:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:55:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:55:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:15,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:55:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:55:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:55:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:55:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:55:15,363 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:55:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:55:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:55:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:55:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:55:15,364 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:55:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:55:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:55:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:55:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:55:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:55:15,365 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:55:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:55:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:55:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:55:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:55:15,366 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:55:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:55:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:55:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:55:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:55:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:55:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:55:15,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 09:55:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 09:55:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 09:55:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:55:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:55:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:55:15,368 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:55:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:55:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:55:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:55:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:55:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:55:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:55:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:55:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:55:15,369 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:55:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:55:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:55:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:55:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:55:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:55:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:55:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:55:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:55:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:55:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:55:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:55:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:55:15,371 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:55:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:55:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:55:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:55:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:55:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:55:15,372 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:55:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:55:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:55:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:55:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:55:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:55:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:55:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:55:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:55:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:55:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:55:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:55:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:55:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:55:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:55:16,516 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:55:16,516 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:55:16,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:55:16 BoogieIcfgContainer [2020-09-25 09:55:16,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:55:16,525 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:55:16,525 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:55:16,528 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:55:16,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:55:14" (1/3) ... [2020-09-25 09:55:16,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a67c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:55:16, skipping insertion in model container [2020-09-25 09:55:16,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:55:15" (2/3) ... [2020-09-25 09:55:16,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a67c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:55:16, skipping insertion in model container [2020-09-25 09:55:16,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:55:16" (3/3) ... [2020-09-25 09:55:16,533 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-09-25 09:55:16,544 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:55:16,555 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:55:16,577 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:55:16,607 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:55:16,608 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:55:16,608 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:55:16,608 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:55:16,608 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:55:16,608 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:55:16,608 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:55:16,609 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:55:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states. [2020-09-25 09:55:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 09:55:16,654 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:16,656 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:16,656 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:16,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:16,664 INFO L82 PathProgramCache]: Analyzing trace with hash 339982816, now seen corresponding path program 1 times [2020-09-25 09:55:16,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:16,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452794506] [2020-09-25 09:55:16,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:17,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:17,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:18,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:19,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:21,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:22,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:22,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 09:55:22,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:55:22,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 09:55:22,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:22,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:55:22,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:55:22,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 09:55:22,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 09:55:22,638 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:22,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:22,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:22,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:22,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:22,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:22,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 09:55:22,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:22,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:22,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:22,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:22,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:55:22,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:23,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:23,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:23,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:23,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:23,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:23,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:23,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:23,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:23,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:23,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:23,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:23,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:23,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:23,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:23,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:23,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:23,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:23,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:55:23,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:23,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:23,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:23,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:23,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:23,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:23,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:23,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:23,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:23,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:23,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:23,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:23,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:23,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:23,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:23,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:23,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:55:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:55:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:23,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:23,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:23,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:23,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:55:23,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:23,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:23,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:23,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:23,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:23,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:23,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:23,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:23,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:55:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:23,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:23,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:23,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:23,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:23,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:23,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:23,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:23,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 09:55:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:23,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:23,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:23,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:23,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:55:23,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:23,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:23,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:23,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 09:55:23,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452794506] [2020-09-25 09:55:23,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:23,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:55:23,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454269560] [2020-09-25 09:55:23,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:55:23,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:23,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:55:23,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:55:23,294 INFO L87 Difference]: Start difference. First operand 317 states. Second operand 9 states. [2020-09-25 09:55:23,933 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:24,665 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:24,970 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:55:26,428 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:26,723 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:27,081 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:27,477 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:27,780 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:55:28,090 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:28,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:28,611 INFO L93 Difference]: Finished difference Result 598 states and 716 transitions. [2020-09-25 09:55:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:55:28,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 09:55:28,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:28,640 INFO L225 Difference]: With dead ends: 598 [2020-09-25 09:55:28,641 INFO L226 Difference]: Without dead ends: 405 [2020-09-25 09:55:28,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:55:28,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-09-25 09:55:28,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 357. [2020-09-25 09:55:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-25 09:55:28,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 397 transitions. [2020-09-25 09:55:28,785 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 397 transitions. Word has length 160 [2020-09-25 09:55:28,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:28,786 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 397 transitions. [2020-09-25 09:55:28,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:55:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 397 transitions. [2020-09-25 09:55:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 09:55:28,792 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:28,793 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:28,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:55:28,793 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:28,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:28,794 INFO L82 PathProgramCache]: Analyzing trace with hash 1668042525, now seen corresponding path program 1 times [2020-09-25 09:55:28,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:28,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1611122787] [2020-09-25 09:55:28,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:28,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:29,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:29,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 09:55:29,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:29,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 979 [2020-09-25 09:55:29,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:29,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:29,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:29,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-25 09:55:29,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:29,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,209 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:30,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:30,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 09:55:30,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:30,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:30,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:30,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:30,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:30,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:30,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:30,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:30,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:30,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:30,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:30,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:55:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:30,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:30,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:55:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:30,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:30,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:30,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:30,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:30,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 09:55:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:30,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 09:55:30,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:55:30,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:30,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:30,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 09:55:30,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:55:30,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:55:30,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:30,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:55:30,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:55:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:30,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:30,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:55:30,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:55:30,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:30,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:30,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:30,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:30,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:30,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:30,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:30,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 09:55:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:30,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:30,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:30,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 09:55:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:30,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:30,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:30,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:30,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:30,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:30,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:30,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:30,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:30,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:55:30,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1611122787] [2020-09-25 09:55:30,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:30,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:55:30,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125568448] [2020-09-25 09:55:30,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:55:30,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:30,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:55:30,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:55:30,815 INFO L87 Difference]: Start difference. First operand 357 states and 397 transitions. Second operand 10 states. [2020-09-25 09:55:32,165 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:32,391 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:32,705 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:32,992 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:33,320 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:34,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:34,343 INFO L93 Difference]: Finished difference Result 761 states and 950 transitions. [2020-09-25 09:55:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 09:55:34,344 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 229 [2020-09-25 09:55:34,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:34,351 INFO L225 Difference]: With dead ends: 761 [2020-09-25 09:55:34,351 INFO L226 Difference]: Without dead ends: 519 [2020-09-25 09:55:34,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:55:34,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-25 09:55:34,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 366. [2020-09-25 09:55:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-09-25 09:55:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 409 transitions. [2020-09-25 09:55:34,419 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 409 transitions. Word has length 229 [2020-09-25 09:55:34,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:34,420 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 409 transitions. [2020-09-25 09:55:34,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:55:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 409 transitions. [2020-09-25 09:55:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 09:55:34,424 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:34,424 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:34,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:55:34,425 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:34,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:34,425 INFO L82 PathProgramCache]: Analyzing trace with hash 228243133, now seen corresponding path program 1 times [2020-09-25 09:55:34,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:34,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548828166] [2020-09-25 09:55:34,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:34,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 09:55:35,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1072 [2020-09-25 09:55:35,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:55:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-09-25 09:55:35,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:35,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,818 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:35,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:35,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 09:55:35,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:35,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:35,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:35,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:35,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:35,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:35,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:35,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:35,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:35,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:35,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:35,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:35,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:35,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:35,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:35,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:36,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:36,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:36,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:55:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:36,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:36,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:36,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:55:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:36,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:36,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:36,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:36,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:36,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:36,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 09:55:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:36,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 09:55:36,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:55:36,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:55:36,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:36,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:36,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 09:55:36,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:36,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:36,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:55:36,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:36,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:55:36,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:36,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:55:36,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:55:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:36,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:36,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:36,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:36,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:36,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:55:36,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:36,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:36,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 09:55:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:36,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:36,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 09:55:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:36,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:36,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:36,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:36,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:36,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:36,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:36,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:36,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:36,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:36,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:36,401 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:55:36,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548828166] [2020-09-25 09:55:36,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:36,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 09:55:36,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330265101] [2020-09-25 09:55:36,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 09:55:36,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:36,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 09:55:36,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:55:36,404 INFO L87 Difference]: Start difference. First operand 366 states and 409 transitions. Second operand 11 states. [2020-09-25 09:55:37,924 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:38,222 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:38,519 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:55:38,843 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:39,153 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:55:39,453 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:40,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:40,357 INFO L93 Difference]: Finished difference Result 775 states and 967 transitions. [2020-09-25 09:55:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 09:55:40,358 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 229 [2020-09-25 09:55:40,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:40,362 INFO L225 Difference]: With dead ends: 775 [2020-09-25 09:55:40,363 INFO L226 Difference]: Without dead ends: 524 [2020-09-25 09:55:40,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 09:55:40,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-25 09:55:40,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 374. [2020-09-25 09:55:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-25 09:55:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 417 transitions. [2020-09-25 09:55:40,422 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 417 transitions. Word has length 229 [2020-09-25 09:55:40,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:40,423 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 417 transitions. [2020-09-25 09:55:40,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 09:55:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 417 transitions. [2020-09-25 09:55:40,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-09-25 09:55:40,427 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:40,427 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:55:40,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:55:40,427 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:40,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:40,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1219993492, now seen corresponding path program 1 times [2020-09-25 09:55:40,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:40,428 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243035562] [2020-09-25 09:55:40,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:40,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:40,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:41,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:41,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:45,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:45,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 09:55:45,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:55:45,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 09:55:45,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:45,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 09:55:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:55:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 146 [2020-09-25 09:55:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:45,851 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:45,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:45,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:46,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-25 09:55:46,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:55:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:46,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:46,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:46,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:46,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:46,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:46,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:46,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:55:46,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:46,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:46,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:46,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:46,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:46,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:46,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:55:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:55:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 09:55:46,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:55:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 09:55:46,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:55:46,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:55:46,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-25 09:55:46,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:46,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:55:46,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:46,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:46,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:46,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:46,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 09:55:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:55:46,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 09:55:46,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:55:46,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:46,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:46,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:46,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 09:55:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:46,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:55:46,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:46,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:46,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:46,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:46,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 09:55:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:46,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 09:55:46,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 09:55:46,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 09:55:46,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:46,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:46,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 09:55:46,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:46,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:46,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:46,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:55:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:46,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 09:55:46,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 09:55:46,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:46,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:46,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:46,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:46,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:46,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:46,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:46,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:46,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:46,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:46,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:46,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:46,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:46,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 09:55:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:46,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:46,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:46,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:46,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 09:55:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:46,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:46,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:46,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:46,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:46,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:46,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:46,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:46,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:46,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 09:55:46,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243035562] [2020-09-25 09:55:46,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 09:55:46,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 09:55:46,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220106787] [2020-09-25 09:55:46,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:55:46,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:46,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:55:46,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:55:46,850 INFO L87 Difference]: Start difference. First operand 374 states and 417 transitions. Second operand 9 states. [2020-09-25 09:55:47,519 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:48,281 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:50,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:55:50,388 INFO L93 Difference]: Finished difference Result 1061 states and 1345 transitions. [2020-09-25 09:55:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 09:55:50,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 252 [2020-09-25 09:55:50,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:55:50,396 INFO L225 Difference]: With dead ends: 1061 [2020-09-25 09:55:50,396 INFO L226 Difference]: Without dead ends: 791 [2020-09-25 09:55:50,398 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2020-09-25 09:55:50,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2020-09-25 09:55:50,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 673. [2020-09-25 09:55:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-09-25 09:55:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 798 transitions. [2020-09-25 09:55:50,485 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 798 transitions. Word has length 252 [2020-09-25 09:55:50,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:55:50,485 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 798 transitions. [2020-09-25 09:55:50,486 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:55:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 798 transitions. [2020-09-25 09:55:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-25 09:55:50,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:55:50,490 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:55:50,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:55:50,490 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:55:50,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:55:50,491 INFO L82 PathProgramCache]: Analyzing trace with hash 755772471, now seen corresponding path program 1 times [2020-09-25 09:55:50,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:55:50,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616828749] [2020-09-25 09:55:50,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:55:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:50,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:50,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:55,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:55,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-25 09:55:55,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:55:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 09:55:55,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:55,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:55,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 09:55:55,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:55:55,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-09-25 09:55:55,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,034 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:55:56,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:55:56,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-09-25 09:55:56,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:55:56,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:55:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:56,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:56,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:55:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:56,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:56,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:56,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:55:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:55:56,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:55:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:55:56,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:56,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:55:56,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:55:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:56,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:56,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:55:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 09:55:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:55:56,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 09:55:56,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:56,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:55:56,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:55:56,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:55:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:56,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:55:56,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:55:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 09:55:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 09:55:56,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:55:56,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 09:55:56,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:55:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:56,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 09:55:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:55:56,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 09:55:56,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:55:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 09:55:56,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:55:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:55:56,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:55:56,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:55:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:55:56,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:55:56,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:55:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:55:56,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:55:56,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:55:56,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:55:56,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:55:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:56,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:55:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:55:56,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:56,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-25 09:55:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:55:56,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:55:56,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:55:56,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:55:56,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:55:56,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-25 09:55:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:55:56,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:55:56,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:55:56,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:55:56,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:55:56,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:55:56,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:55:56,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:55:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:55:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:55:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:55:56,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:55:56,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:55:56,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616828749] [2020-09-25 09:55:56,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:55:56,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-25 09:55:56,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129691169] [2020-09-25 09:55:56,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-25 09:55:56,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:55:56,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-25 09:55:56,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-09-25 09:55:56,805 INFO L87 Difference]: Start difference. First operand 673 states and 798 transitions. Second operand 15 states. [2020-09-25 09:55:57,388 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:55:58,225 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:55:59,193 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:55:59,524 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:55:59,914 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:56:00,236 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:56:00,578 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:00,903 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:56:01,300 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 09:56:01,624 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194