/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=0.2 --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_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:03:19,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:03:19,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:03:19,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:03:19,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:03:19,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:03:19,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:03:19,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:03:19,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:03:19,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:03:19,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:03:19,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:03:19,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:03:19,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:03:19,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:03:19,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:03:19,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:03:19,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:03:19,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:03:19,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:03:19,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:03:19,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:03:19,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:03:19,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:03:19,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:03:19,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:03:19,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:03:19,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:03:19,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:03:19,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:03:19,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:03:19,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:03:19,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:03:19,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:03:19,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:03:19,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:03:19,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:03:19,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:03:19,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:03:19,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:03:19,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:03:19,310 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 11:03:19,364 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:03:19,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:03:19,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:03:19,367 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:03:19,367 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:03:19,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:03:19,368 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:03:19,368 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:03:19,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:03:19,368 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:03:19,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:03:19,369 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:03:19,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:03:19,370 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:03:19,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:03:19,371 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:03:19,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:03:19,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:03:19,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:03:19,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:03:19,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:03:19,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:03:19,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:03:19,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:03:19,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:03:19,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:03:19,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:03:19,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:03:19,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:03:19,374 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 11:03:19,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:03:19,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:03:19,889 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:03:19,891 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:03:19,892 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:03:19,893 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-09-25 11:03:19,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a3512086/9a86c478e93145f49398c2ae9f0cee86/FLAGab1a56012 [2020-09-25 11:03:20,676 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:03:20,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-09-25 11:03:20,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a3512086/9a86c478e93145f49398c2ae9f0cee86/FLAGab1a56012 [2020-09-25 11:03:20,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a3512086/9a86c478e93145f49398c2ae9f0cee86 [2020-09-25 11:03:20,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:03:20,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:03:20,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:03:20,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:03:20,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:03:20,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:03:20" (1/1) ... [2020-09-25 11:03:20,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:20, skipping insertion in model container [2020-09-25 11:03:20,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:03:20" (1/1) ... [2020-09-25 11:03:20,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:03:21,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:03:21,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:03:21,539 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:03:21,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:03:21,712 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:03:21,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21 WrapperNode [2020-09-25 11:03:21,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:03:21,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:03:21,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:03:21,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:03:21,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21" (1/1) ... [2020-09-25 11:03:21,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21" (1/1) ... [2020-09-25 11:03:21,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21" (1/1) ... [2020-09-25 11:03:21,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21" (1/1) ... [2020-09-25 11:03:21,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21" (1/1) ... [2020-09-25 11:03:21,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21" (1/1) ... [2020-09-25 11:03:21,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21" (1/1) ... [2020-09-25 11:03:21,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:03:21,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:03:21,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:03:21,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:03:21,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21" (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 11:03:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:03:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:03:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:03:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:03:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:03:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:03:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:03:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:03:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:03:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:03:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:03:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:03:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:03:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:03:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:03:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:03:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:03:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:03:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:03:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:03:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:03:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:03:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:03:21,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:03:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:03:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 11:03:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:03:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:03:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:03:21,896 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:03:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:03:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:03:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:03:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:03:21,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:03:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:03:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:03:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 11:03:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 11:03:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:03:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:03:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:03:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:03:21,898 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:03:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:03:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:03:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:03:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:03:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:03:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:03:21,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:03:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:03:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:03:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:03:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:03:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:03:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:03:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:03:21,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:03:21,901 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:03:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:03:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:03:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:03:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:03:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:03:21,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:03:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:03:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:03:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:03:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:03:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:03:21,903 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:03:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:03:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:03:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:03:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:03:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:03:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:03:21,904 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 11:03:21,905 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:03:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:03:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:03:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:03:21,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:03:23,107 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:03:23,107 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:03:23,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:03:23 BoogieIcfgContainer [2020-09-25 11:03:23,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:03:23,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:03:23,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:03:23,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:03:23,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:03:20" (1/3) ... [2020-09-25 11:03:23,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d77b8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:03:23, skipping insertion in model container [2020-09-25 11:03:23,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:03:21" (2/3) ... [2020-09-25 11:03:23,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d77b8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:03:23, skipping insertion in model container [2020-09-25 11:03:23,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:03:23" (3/3) ... [2020-09-25 11:03:23,126 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-09-25 11:03:23,138 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:03:23,152 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:03:23,174 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:03:23,203 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:03:23,203 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:03:23,203 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:03:23,204 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:03:23,204 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:03:23,204 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:03:23,204 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:03:23,204 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:03:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-09-25 11:03:23,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 11:03:23,254 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:23,256 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 11:03:23,257 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:23,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:23,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1537193483, now seen corresponding path program 1 times [2020-09-25 11:03:23,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:23,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798240407] [2020-09-25 11:03:23,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:23,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:24,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:25,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:25,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:28,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:28,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:28,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 11:03:28,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:03:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 11:03:28,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:28,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:03:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 11:03:28,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 11:03:28,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:03:29,103 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:29,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:29,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 11:03:29,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 11:03:29,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:29,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:29,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:29,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:29,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:29,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:29,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:03:29,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:29,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:29,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:29,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:29,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:29,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:29,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:29,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:03:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:29,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:03:29,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:03:29,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:29,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:29,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 11:03:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:29,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:29,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:29,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:03:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:29,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:29,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:29,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:29,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:29,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:29,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:29,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:29,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:29,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:29,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:29,718 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 11:03:29,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798240407] [2020-09-25 11:03:29,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:29,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:03:29,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281666199] [2020-09-25 11:03:29,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:03:29,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:29,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:03:29,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:03:29,752 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 9 states. [2020-09-25 11:03:30,354 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:31,456 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 11:03:32,038 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 11:03:33,534 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:33,848 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:03:34,207 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:34,646 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:34,995 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:35,315 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:36,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:36,601 INFO L93 Difference]: Finished difference Result 653 states and 802 transitions. [2020-09-25 11:03:36,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 11:03:36,610 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 11:03:36,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:36,633 INFO L225 Difference]: With dead ends: 653 [2020-09-25 11:03:36,634 INFO L226 Difference]: Without dead ends: 442 [2020-09-25 11:03:36,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-09-25 11:03:36,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2020-09-25 11:03:36,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 391. [2020-09-25 11:03:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-25 11:03:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 444 transitions. [2020-09-25 11:03:36,796 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 444 transitions. Word has length 160 [2020-09-25 11:03:36,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:36,799 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 444 transitions. [2020-09-25 11:03:36,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:03:36,800 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 444 transitions. [2020-09-25 11:03:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-25 11:03:36,816 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:36,817 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] [2020-09-25 11:03:36,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:03:36,817 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:36,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:36,818 INFO L82 PathProgramCache]: Analyzing trace with hash -184481071, now seen corresponding path program 1 times [2020-09-25 11:03:36,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:36,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099635252] [2020-09-25 11:03:36,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:36,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:37,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:37,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:37,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:40,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:41,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:41,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-09-25 11:03:41,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:03:41,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 11:03:41,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:41,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:41,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:03:41,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 11:03:41,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 11:03:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,333 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:42,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:42,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-25 11:03:42,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 11:03:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:42,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:42,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:42,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:42,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:42,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:42,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:42,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:42,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:42,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:42,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:03:42,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:42,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:42,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:03:42,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:03:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 11:03:42,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 11:03:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:03:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 11:03:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:42,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:42,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:42,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:42,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:42,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:42,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:03:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:03:42,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:03:42,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:03:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:03:42,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:42,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:42,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:03:42,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 11:03:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:42,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:42,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:42,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:03:42,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:42,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:42,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:42,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:42,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:42,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:42,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:42,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 11:03:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:42,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:42,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:03:42,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:42,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-09-25 11:03:42,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:42,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:03:42,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 11:03:42,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:42,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:03:42,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:42,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:43,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:43,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:43,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 11:03:43,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:43,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:43,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:03:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:03:43,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:03:43,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:43,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:43,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:43,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:43,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:43,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:43,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 11:03:43,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:43,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:43,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:43,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:03:43,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:43,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:43,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:43,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:43,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:43,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:43,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:43,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:43,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:43,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:43,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:43,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:43,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:43,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:43,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:43,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:43,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:03:43,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:43,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:43,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 11:03:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:43,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:43,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:43,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:43,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:43,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:43,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:43,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:43,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:43,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:43,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:43,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 11:03:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:43,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:43,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:43,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:43,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:43,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:43,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:43,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:43,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:43,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 11:03:43,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099635252] [2020-09-25 11:03:43,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:43,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 11:03:43,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342736923] [2020-09-25 11:03:43,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 11:03:43,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:43,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 11:03:43,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 11:03:43,232 INFO L87 Difference]: Start difference. First operand 391 states and 444 transitions. Second operand 13 states. [2020-09-25 11:03:43,793 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:45,030 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:03:45,647 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:45,939 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:46,292 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 11:03:46,675 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:47,080 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:47,426 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:48,182 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:48,524 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:48,858 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 11:03:49,210 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:49,618 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:03:49,949 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:52,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:52,157 INFO L93 Difference]: Finished difference Result 1100 states and 1386 transitions. [2020-09-25 11:03:52,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 11:03:52,158 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 235 [2020-09-25 11:03:52,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:52,168 INFO L225 Difference]: With dead ends: 1100 [2020-09-25 11:03:52,169 INFO L226 Difference]: Without dead ends: 824 [2020-09-25 11:03:52,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=272, Invalid=918, Unknown=0, NotChecked=0, Total=1190 [2020-09-25 11:03:52,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-09-25 11:03:52,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 666. [2020-09-25 11:03:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2020-09-25 11:03:52,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 772 transitions. [2020-09-25 11:03:52,287 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 772 transitions. Word has length 235 [2020-09-25 11:03:52,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:52,288 INFO L479 AbstractCegarLoop]: Abstraction has 666 states and 772 transitions. [2020-09-25 11:03:52,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 11:03:52,288 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 772 transitions. [2020-09-25 11:03:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 11:03:52,296 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:52,296 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] [2020-09-25 11:03:52,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:03:52,297 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:52,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:52,297 INFO L82 PathProgramCache]: Analyzing trace with hash 379033000, now seen corresponding path program 1 times [2020-09-25 11:03:52,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:52,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754942433] [2020-09-25 11:03:52,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:52,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:52,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 11:03:54,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:03:54,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1802 [2020-09-25 11:03:54,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 185 [2020-09-25 11:03:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:03:54,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:54,489 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:03:54,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:03:54,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 11:03:54,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:54,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:54,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:03:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:54,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:54,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:54,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:03:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:54,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:54,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:03:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:54,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:03:54,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:54,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:54,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:03:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:03:54,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:03:54,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:54,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:54,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:54,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:03:54,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:03:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:54,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:54,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:54,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:54,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:03:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:03:54,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:54,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:54,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:54,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:03:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:54,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:54,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:54,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:54,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:54,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:03:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:03:54,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 11:03:54,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:54,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 11:03:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:03:54,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:03:54,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 11:03:54,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:54,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:03:54,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:03:54,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:03:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:03:54,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 11:03:54,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:03:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:03:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:03:54,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:54,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:03:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:54,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:54,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:54,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:03:54,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:54,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:03:54,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:54,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:03:54,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:03:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:03:54,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:03:55,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:03:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:55,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:55,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:03:55,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:55,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:55,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:55,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:03:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:55,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 11:03:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:55,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:55,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:55,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:55,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:03:55,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:55,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:55,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:55,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 11:03:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:55,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:55,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:03:55,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:03:55,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:03:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:03:55,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:03:55,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:03:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:03:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:03:55,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:03:55,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:03:55,103 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 11:03:55,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754942433] [2020-09-25 11:03:55,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:03:55,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:03:55,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214769457] [2020-09-25 11:03:55,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:03:55,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:03:55,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:03:55,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:03:55,107 INFO L87 Difference]: Start difference. First operand 666 states and 772 transitions. Second operand 9 states. [2020-09-25 11:03:56,517 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:03:56,823 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:03:57,134 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:57,464 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:03:57,779 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:03:58,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:03:58,979 INFO L93 Difference]: Finished difference Result 1362 states and 1710 transitions. [2020-09-25 11:03:58,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:03:58,979 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 199 [2020-09-25 11:03:58,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:03:58,989 INFO L225 Difference]: With dead ends: 1362 [2020-09-25 11:03:58,989 INFO L226 Difference]: Without dead ends: 811 [2020-09-25 11:03:58,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 11:03:58,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-09-25 11:03:59,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 678. [2020-09-25 11:03:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2020-09-25 11:03:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 784 transitions. [2020-09-25 11:03:59,108 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 784 transitions. Word has length 199 [2020-09-25 11:03:59,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:03:59,109 INFO L479 AbstractCegarLoop]: Abstraction has 678 states and 784 transitions. [2020-09-25 11:03:59,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:03:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 784 transitions. [2020-09-25 11:03:59,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-25 11:03:59,113 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:03:59,113 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] [2020-09-25 11:03:59,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:03:59,113 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:03:59,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:03:59,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1069527141, now seen corresponding path program 1 times [2020-09-25 11:03:59,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:03:59,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87944913] [2020-09-25 11:03:59,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:03:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:03:59,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:03:59,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:02,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:02,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-25 11:04:02,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:04:02,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3656 [2020-09-25 11:04:02,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:02,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:02,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:04:02,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:04:02,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-25 11:04:02,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:03,188 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:04:03,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:04:03,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-09-25 11:04:03,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:04:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:04:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:03,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:03,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:03,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:04:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:03,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:03,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:03,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:04:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:03,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:04:03,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:04:03,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:04:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:03,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:03,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:04:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:03,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:03,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:04:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:04:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:04:03,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:04:03,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:04:03,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:03,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:03,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:03,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:03,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:04:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 11:04:03,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 11:04:03,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:04:03,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 11:04:03,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:03,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:04:03,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 11:04:03,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:04:03,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:04:03,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 11:04:03,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:04:03,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:04:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:04:03,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:03,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:04:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:04:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:03,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:03,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:03,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:04:03,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-09-25 11:04:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:03,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:03,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:04:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 11:04:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:03,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:03,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:03,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:03,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:03,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:03,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:03,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:04:03,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:03,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:03,935 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 11:04:03,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87944913] [2020-09-25 11:04:03,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:04:03,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 11:04:03,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537807263] [2020-09-25 11:04:03,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 11:04:03,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:04:03,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 11:04:03,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 11:04:03,939 INFO L87 Difference]: Start difference. First operand 678 states and 784 transitions. Second operand 7 states. [2020-09-25 11:04:04,635 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:04:05,314 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:04:07,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:04:07,917 INFO L93 Difference]: Finished difference Result 2020 states and 2557 transitions. [2020-09-25 11:04:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:04:07,917 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2020-09-25 11:04:07,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:04:07,929 INFO L225 Difference]: With dead ends: 2020 [2020-09-25 11:04:07,929 INFO L226 Difference]: Without dead ends: 1436 [2020-09-25 11:04:07,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-25 11:04:07,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2020-09-25 11:04:08,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1285. [2020-09-25 11:04:08,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1285 states. [2020-09-25 11:04:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1285 states and 1527 transitions. [2020-09-25 11:04:08,155 INFO L78 Accepts]: Start accepts. Automaton has 1285 states and 1527 transitions. Word has length 199 [2020-09-25 11:04:08,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:04:08,156 INFO L479 AbstractCegarLoop]: Abstraction has 1285 states and 1527 transitions. [2020-09-25 11:04:08,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 11:04:08,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1527 transitions. [2020-09-25 11:04:08,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-25 11:04:08,161 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:04:08,162 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:04:08,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:04:08,162 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:04:08,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:04:08,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1219512252, now seen corresponding path program 1 times [2020-09-25 11:04:08,163 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:04:08,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421496830] [2020-09-25 11:04:08,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:04:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:08,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:08,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking...