/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:47:35,963 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:47:35,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:47:36,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:47:36,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:47:36,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:47:36,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:47:36,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:47:36,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:47:36,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:47:36,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:47:36,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:47:36,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:47:36,046 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:47:36,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:47:36,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:47:36,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:47:36,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:47:36,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:47:36,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:47:36,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:47:36,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:47:36,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:47:36,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:47:36,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:47:36,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:47:36,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:47:36,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:47:36,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:47:36,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:47:36,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:47:36,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:47:36,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:47:36,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:47:36,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:47:36,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:47:36,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:47:36,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:47:36,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:47:36,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:47:36,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:47:36,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:47:36,142 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:47:36,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:47:36,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:47:36,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:47:36,145 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:47:36,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:47:36,146 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:47:36,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:47:36,147 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:47:36,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:47:36,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:47:36,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:47:36,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:47:36,149 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:47:36,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:47:36,149 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:47:36,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:47:36,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:47:36,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:47:36,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:47:36,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:47:36,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:47:36,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:47:36,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:47:36,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:47:36,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:47:36,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:47:36,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:47:36,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:47:36,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:47:36,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:47:36,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:47:36,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:47:36,661 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:47:36,661 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:47:36,662 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-09-25 09:47:36,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad659fda4/99fe34e65e494dd9ae3385120111b0f9/FLAGbf4edd539 [2020-09-25 09:47:37,361 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:47:37,362 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-09-25 09:47:37,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad659fda4/99fe34e65e494dd9ae3385120111b0f9/FLAGbf4edd539 [2020-09-25 09:47:37,624 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ad659fda4/99fe34e65e494dd9ae3385120111b0f9 [2020-09-25 09:47:37,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:47:37,644 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:47:37,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:47:37,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:47:37,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:47:37,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:47:37" (1/1) ... [2020-09-25 09:47:37,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:37, skipping insertion in model container [2020-09-25 09:47:37,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:47:37" (1/1) ... [2020-09-25 09:47:37,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:47:37,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:47:38,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:47:38,315 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:47:38,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:47:38,463 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:47:38,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38 WrapperNode [2020-09-25 09:47:38,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:47:38,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:47:38,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:47:38,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:47:38,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38" (1/1) ... [2020-09-25 09:47:38,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38" (1/1) ... [2020-09-25 09:47:38,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38" (1/1) ... [2020-09-25 09:47:38,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38" (1/1) ... [2020-09-25 09:47:38,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38" (1/1) ... [2020-09-25 09:47:38,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38" (1/1) ... [2020-09-25 09:47:38,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38" (1/1) ... [2020-09-25 09:47:38,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:47:38,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:47:38,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:47:38,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:47:38,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:47:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:47:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:47:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:47:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:47:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:47:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:47:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:47:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:47:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:47:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:47:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:47:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:47:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:47:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:47:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 09:47:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 09:47:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:47:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:47:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:47:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:47:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:47:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:47:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:47:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:47:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:47:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:47:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:47:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:47:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:47:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:47:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:47:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:47:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:47:38,664 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:47:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:47:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:47:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:47:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:47:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:47:38,665 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:47:38,666 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:47:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:47:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:47:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:47:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:47:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:47:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:47:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:47:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:47:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:47:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:47:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:47:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:47:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:47:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:47:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:47:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:47:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:47:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:47:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:47:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:47:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:47:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:47:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:47:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:47:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:47:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:47:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:47:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 09:47:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 09:47:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:47:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:47:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:47:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:47:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:47:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:47:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:47:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:47:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:47:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:47:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:47:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:47:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:47:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:47:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:47:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:47:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:47:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:47:38,673 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:47:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:47:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:47:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:47:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 09:47:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:47:38,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:47:38,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:47:39,947 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:47:39,947 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:47:39,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:47:39 BoogieIcfgContainer [2020-09-25 09:47:39,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:47:39,956 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:47:39,956 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:47:39,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:47:39,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:47:37" (1/3) ... [2020-09-25 09:47:39,961 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5a976a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:47:39, skipping insertion in model container [2020-09-25 09:47:39,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:47:38" (2/3) ... [2020-09-25 09:47:39,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e5a976a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:47:39, skipping insertion in model container [2020-09-25 09:47:39,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:47:39" (3/3) ... [2020-09-25 09:47:39,964 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2020-09-25 09:47:39,976 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:47:39,988 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:47:40,011 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:47:40,047 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:47:40,047 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:47:40,047 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:47:40,047 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:47:40,047 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:47:40,048 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:47:40,048 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:47:40,048 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:47:40,080 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2020-09-25 09:47:40,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 09:47:40,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:40,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:47:40,102 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:40,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:40,111 INFO L82 PathProgramCache]: Analyzing trace with hash -149848456, now seen corresponding path program 1 times [2020-09-25 09:47:40,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:40,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784423733] [2020-09-25 09:47:40,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:40,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:40,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:42,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:43,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:45,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:45,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 09:47:45,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:47:45,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 09:47:45,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:45,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:45,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:47:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:47:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 09:47:45,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-09-25 09:47:46,032 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:46,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:46,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:46,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:46,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-09-25 09:47:46,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:46,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:46,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:46,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:47:46,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:46,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:46,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:46,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:46,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:46,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:46,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:46,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:46,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:46,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:46,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:46,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:46,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:46,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:46,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:46,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:46,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:46,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:46,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:46,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:46,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:46,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:46,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:46,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:46,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:47:46,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:46,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:46,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:46,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:46,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:46,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:46,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:46,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:46,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:46,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:46,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:46,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:46,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:46,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:46,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:46,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:46,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:46,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:46,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:46,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:46,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:46,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:46,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:46,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:47:46,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:46,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:46,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:46,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:46,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:47:46,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:46,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:46,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:47:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:46,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:46,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:46,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 09:47:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:46,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:46,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:46,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:46,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:46,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:47:46,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:46,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:46,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:47:46,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:47:46,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:47:46,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:47:46,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784423733] [2020-09-25 09:47:46,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:47:46,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 09:47:46,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686960253] [2020-09-25 09:47:46,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 09:47:46,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:47:46,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 09:47:46,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 09:47:46,665 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 9 states. [2020-09-25 09:47:47,305 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:47:48,840 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:49,180 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:47:49,511 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:49,841 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:47:50,202 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:47:50,971 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:47:51,355 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:51,892 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:47:53,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:47:53,464 INFO L93 Difference]: Finished difference Result 694 states and 844 transitions. [2020-09-25 09:47:53,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 09:47:53,467 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 09:47:53,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:47:53,490 INFO L225 Difference]: With dead ends: 694 [2020-09-25 09:47:53,491 INFO L226 Difference]: Without dead ends: 482 [2020-09-25 09:47:53,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 09:47:53,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-09-25 09:47:53,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 405. [2020-09-25 09:47:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-25 09:47:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 454 transitions. [2020-09-25 09:47:53,645 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 454 transitions. Word has length 148 [2020-09-25 09:47:53,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:47:53,647 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 454 transitions. [2020-09-25 09:47:53,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 09:47:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 454 transitions. [2020-09-25 09:47:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-25 09:47:53,652 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:47:53,652 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:47:53,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:47:53,653 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:47:53,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:47:53,654 INFO L82 PathProgramCache]: Analyzing trace with hash -100114240, now seen corresponding path program 1 times [2020-09-25 09:47:53,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:47:53,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1290185826] [2020-09-25 09:47:53,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:47:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:53,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:54,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:54,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:55,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:58,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:58,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-25 09:47:58,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:47:58,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 09:47:58,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:58,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:58,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 09:47:58,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:47:58,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-09-25 09:47:58,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:59,141 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:47:59,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:47:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:59,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:59,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:59,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:47:59,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:59,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-09-25 09:47:59,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:59,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:59,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:59,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:47:59,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:59,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:47:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:59,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:59,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:59,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:59,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:59,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:59,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:59,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:59,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:59,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:59,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:59,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:47:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:59,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:59,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:59,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:59,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:59,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:59,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:59,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:47:59,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:47:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:59,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:59,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:59,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:59,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:59,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:47:59,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:59,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:59,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:59,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:59,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:59,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:59,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:47:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:59,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:59,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:59,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:47:59,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:59,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:47:59,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:59,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:47:59,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:59,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:47:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:59,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:59,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:59,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:47:59,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:59,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:59,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:59,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:59,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:47:59,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:59,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:47:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:59,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:59,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:59,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:47:59,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:59,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:47:59,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:59,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:59,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:59,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:59,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:47:59,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:59,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 09:47:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:59,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:59,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:59,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:59,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:47:59,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:59,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:47:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:59,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 09:47:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:47:59,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:47:59,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:47:59,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:47:59,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:47:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:47:59,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:47:59,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:47:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:47:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:47:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:47:59,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:47:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:47:59,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1290185826] [2020-09-25 09:47:59,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:47:59,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:47:59,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892986673] [2020-09-25 09:47:59,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:47:59,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:47:59,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:47:59,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:47:59,717 INFO L87 Difference]: Start difference. First operand 405 states and 454 transitions. Second operand 10 states. [2020-09-25 09:48:00,311 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:48:01,952 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 09:48:02,539 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 09:48:02,903 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:48:03,272 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:48:03,607 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:48:04,898 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:48:05,449 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:48:05,894 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:48:06,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:48:06,889 INFO L93 Difference]: Finished difference Result 1007 states and 1252 transitions. [2020-09-25 09:48:06,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 09:48:06,890 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2020-09-25 09:48:06,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:48:06,899 INFO L225 Difference]: With dead ends: 1007 [2020-09-25 09:48:06,899 INFO L226 Difference]: Without dead ends: 717 [2020-09-25 09:48:06,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2020-09-25 09:48:06,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2020-09-25 09:48:06,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 598. [2020-09-25 09:48:06,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 598 states. [2020-09-25 09:48:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 687 transitions. [2020-09-25 09:48:07,001 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 687 transitions. Word has length 163 [2020-09-25 09:48:07,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:48:07,002 INFO L479 AbstractCegarLoop]: Abstraction has 598 states and 687 transitions. [2020-09-25 09:48:07,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:48:07,002 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 687 transitions. [2020-09-25 09:48:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-25 09:48:07,006 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:48:07,006 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:48:07,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:48:07,007 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:48:07,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:48:07,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1045797835, now seen corresponding path program 1 times [2020-09-25 09:48:07,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:48:07,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806372183] [2020-09-25 09:48:07,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:48:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:07,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:07,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:11,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:12,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-25 09:48:12,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:48:12,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 09:48:12,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:12,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:12,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:48:12,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 09:48:12,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-09-25 09:48:12,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:12,414 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:48:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:48:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:12,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:12,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 09:48:12,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 09:48:12,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:12,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:12,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:12,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 09:48:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:12,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:12,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:12,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:12,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:48:12,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:12,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:12,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:12,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 09:48:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:12,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:12,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:12,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:48:12,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:12,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:12,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:12,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 09:48:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:12,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:12,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:12,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:12,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:48:12,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:12,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:12,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:12,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 09:48:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:12,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:12,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:48:12,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:48:12,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:12,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:12,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:12,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 09:48:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:12,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:12,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:48:12,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:12,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:48:12,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:12,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:12,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 09:48:12,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 09:48:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:12,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:12,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:48:12,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:12,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:48:12,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:12,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:48:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:12,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 09:48:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:12,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:12,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 09:48:12,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:48:12,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-09-25 09:48:12,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:12,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:12,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:48:12,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:12,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:12,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:12,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:13,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:13,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 09:48:13,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:48:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 09:48:13,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:13,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:13,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:48:13,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:48:13,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:48:13,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:13,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:48:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:13,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:13,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:13,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:48:13,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:13,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 09:48:13,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:13,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:48:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:48:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:13,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:48:13,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:13,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:13,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:13,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:48:13,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:13,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:48:13,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:13,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:48:13,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:48:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:13,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:13,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:13,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 09:48:13,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:13,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 09:48:13,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:13,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:13,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:13,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 09:48:13,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:13,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:48:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:13,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:13,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:13,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 09:48:13,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:13,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:48:13,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:13,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:13,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:13,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 09:48:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:13,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:13,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:13,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:13,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:13,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:13,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:13,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:13,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:13,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 09:48:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:13,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:13,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:13,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:48:13,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:13,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:48:13,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:13,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:13,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:48:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:13,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:48:13,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:13,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 09:48:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:13,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:13,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:13,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:13,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:48:13,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:13,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:48:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-25 09:48:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:13,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:13,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:48:13,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:48:13,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:48:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:48:13,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:48:13,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:48:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:48:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:48:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:48:13,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:48:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:48:13,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806372183] [2020-09-25 09:48:13,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:48:13,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 09:48:13,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524801722] [2020-09-25 09:48:13,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 09:48:13,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:48:13,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 09:48:13,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-25 09:48:13,473 INFO L87 Difference]: Start difference. First operand 598 states and 687 transitions. Second operand 12 states. [2020-09-25 09:48:13,993 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:48:15,464 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:48:15,832 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 09:48:16,203 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-25 09:48:16,558 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:48:16,942 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:48:17,317 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:48:19,412 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:48:19,745 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:48:20,107 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 09:48:20,429 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:48:20,787 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 09:48:21,105 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:48:22,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:48:22,510 INFO L93 Difference]: Finished difference Result 1862 states and 2491 transitions. [2020-09-25 09:48:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 09:48:22,510 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 223 [2020-09-25 09:48:22,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:48:22,532 INFO L225 Difference]: With dead ends: 1862 [2020-09-25 09:48:22,533 INFO L226 Difference]: Without dead ends: 1379 [2020-09-25 09:48:22,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=333, Invalid=927, Unknown=0, NotChecked=0, Total=1260 [2020-09-25 09:48:22,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2020-09-25 09:48:22,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1026. [2020-09-25 09:48:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-09-25 09:48:22,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1198 transitions. [2020-09-25 09:48:22,774 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1198 transitions. Word has length 223 [2020-09-25 09:48:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:48:22,776 INFO L479 AbstractCegarLoop]: Abstraction has 1026 states and 1198 transitions. [2020-09-25 09:48:22,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 09:48:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1198 transitions. [2020-09-25 09:48:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-09-25 09:48:22,785 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:48:22,787 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:48:22,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:48:22,787 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:48:22,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:48:22,788 INFO L82 PathProgramCache]: Analyzing trace with hash 682257386, now seen corresponding path program 1 times [2020-09-25 09:48:22,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:48:22,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1694224602] [2020-09-25 09:48:22,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:48:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:48:22,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:23,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:23,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:23,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:23,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:23,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:48:25,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking...