/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:45:08,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:45:08,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:45:08,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:45:08,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:45:08,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:45:08,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:45:08,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:45:08,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:45:08,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:45:08,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:45:08,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:45:08,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:45:08,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:45:08,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:45:08,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:45:08,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:45:08,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:45:08,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:45:08,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:45:08,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:45:08,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:45:08,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:45:08,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:45:08,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:45:08,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:45:08,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:45:08,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:45:08,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:45:08,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:45:08,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:45:08,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:45:08,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:45:08,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:45:08,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:45:08,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:45:08,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:45:08,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:45:08,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:45:08,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:45:08,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:45:08,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:45:08,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:45:08,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:45:08,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:45:08,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:45:08,787 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:45:08,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:45:08,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:45:08,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:45:08,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:45:08,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:45:08,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:45:08,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:45:08,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:45:08,789 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:45:08,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:45:08,789 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:45:08,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:45:08,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:45:08,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:45:08,790 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:45:08,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:45:08,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:45:08,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:45:08,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:45:08,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:45:08,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:45:08,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:45:08,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:45:08,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:45:08,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:45:09,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:45:09,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:45:09,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:45:09,259 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:45:09,259 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:45:09,260 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-09-25 08:45:09,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be13d7670/8b65a06d727d46a3b74291650a0a64dc/FLAGe8c4a737b [2020-09-25 08:45:09,972 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:45:09,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product37.cil.c [2020-09-25 08:45:09,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be13d7670/8b65a06d727d46a3b74291650a0a64dc/FLAGe8c4a737b [2020-09-25 08:45:10,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be13d7670/8b65a06d727d46a3b74291650a0a64dc [2020-09-25 08:45:10,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:45:10,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:45:10,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:45:10,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:45:10,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:45:10,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:45:10" (1/1) ... [2020-09-25 08:45:10,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10, skipping insertion in model container [2020-09-25 08:45:10,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:45:10" (1/1) ... [2020-09-25 08:45:10,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:45:10,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:45:10,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:45:10,734 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:45:10,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:45:10,981 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:45:10,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10 WrapperNode [2020-09-25 08:45:10,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:45:10,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:45:10,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:45:10,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:45:10,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10" (1/1) ... [2020-09-25 08:45:11,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10" (1/1) ... [2020-09-25 08:45:11,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10" (1/1) ... [2020-09-25 08:45:11,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10" (1/1) ... [2020-09-25 08:45:11,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10" (1/1) ... [2020-09-25 08:45:11,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10" (1/1) ... [2020-09-25 08:45:11,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10" (1/1) ... [2020-09-25 08:45:11,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:45:11,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:45:11,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:45:11,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:45:11,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:45:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:45:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:45:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:45:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:45:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:45:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:45:11,184 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:45:11,185 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:45:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:45:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:45:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:45:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:45:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:45:11,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:45:11,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:45:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:45:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:45:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 08:45:11,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:45:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:45:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:45:11,189 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:45:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:45:11,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:45:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:45:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:45:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:45:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:45:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:45:11,191 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:45:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 08:45:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:45:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:45:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:45:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:45:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:45:11,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:45:11,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:45:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:45:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:45:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:45:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:45:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:45:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:45:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:45:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:45:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:45:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:45:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:45:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:45:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:45:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:45:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:45:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 08:45:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:45:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:45:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:45:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:45:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:45:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:45:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:45:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 08:45:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 08:45:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:45:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:45:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:45:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:45:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:45:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:45:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:45:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:45:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:45:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:45:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:45:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:45:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:45:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:45:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:45:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:45:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:45:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:45:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:45:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:45:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:45:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:45:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:45:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:45:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:45:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:45:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:45:12,375 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:45:12,375 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:45:12,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:45:12 BoogieIcfgContainer [2020-09-25 08:45:12,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:45:12,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:45:12,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:45:12,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:45:12,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:45:10" (1/3) ... [2020-09-25 08:45:12,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b48376b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:45:12, skipping insertion in model container [2020-09-25 08:45:12,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:45:10" (2/3) ... [2020-09-25 08:45:12,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b48376b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:45:12, skipping insertion in model container [2020-09-25 08:45:12,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:45:12" (3/3) ... [2020-09-25 08:45:12,393 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37.cil.c [2020-09-25 08:45:12,405 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:45:12,418 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:45:12,442 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:45:12,479 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:45:12,480 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:45:12,480 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:45:12,480 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:45:12,480 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:45:12,480 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:45:12,480 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:45:12,481 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:45:12,513 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states. [2020-09-25 08:45:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:45:12,533 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:12,534 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] [2020-09-25 08:45:12,535 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:12,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:12,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1997357688, now seen corresponding path program 1 times [2020-09-25 08:45:12,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:12,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247992241] [2020-09-25 08:45:12,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:13,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:13,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:13,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:15,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:15,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:17,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:17,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:45:17,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:45:17,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 08:45:18,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:18,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:18,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:18,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:45:18,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-09-25 08:45:18,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 08:45:18,485 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:18,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:18,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:18,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:18,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:18,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:18,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-25 08:45:18,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:18,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:45:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:18,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:18,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:18,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:18,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:18,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:18,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:18,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:18,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:18,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:18,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:18,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:18,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:18,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:18,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:18,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:18,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:18,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:18,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:18,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:18,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:18,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:18,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:18,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:19,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:45:19,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:19,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:19,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:19,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:19,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:19,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:19,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:45:19,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:19,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:19,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:19,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:19,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:45:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:19,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:19,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:45:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:19,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:19,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:19,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:19,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:19,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:19,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:19,073 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 08:45:19,074 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247992241] [2020-09-25 08:45:19,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:19,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:45:19,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498419678] [2020-09-25 08:45:19,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:45:19,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:19,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:45:19,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:45:19,120 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 4 states. [2020-09-25 08:45:19,988 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:21,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:21,181 INFO L93 Difference]: Finished difference Result 477 states and 566 transitions. [2020-09-25 08:45:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:45:21,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 08:45:21,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:21,204 INFO L225 Difference]: With dead ends: 477 [2020-09-25 08:45:21,205 INFO L226 Difference]: Without dead ends: 296 [2020-09-25 08:45:21,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:45:21,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-25 08:45:21,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 255. [2020-09-25 08:45:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-09-25 08:45:21,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 275 transitions. [2020-09-25 08:45:21,347 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 275 transitions. Word has length 142 [2020-09-25 08:45:21,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:21,348 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 275 transitions. [2020-09-25 08:45:21,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:45:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 275 transitions. [2020-09-25 08:45:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 08:45:21,365 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:21,365 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] [2020-09-25 08:45:21,365 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:45:21,367 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:21,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:21,367 INFO L82 PathProgramCache]: Analyzing trace with hash 473561485, now seen corresponding path program 1 times [2020-09-25 08:45:21,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:21,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1207222974] [2020-09-25 08:45:21,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:21,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:21,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:21,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:22,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:26,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:26,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 08:45:26,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:45:26,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 08:45:26,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:26,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:26,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:45:26,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-25 08:45:26,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:45:26,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:26,833 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:26,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:26,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:26,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:26,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:26,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 08:45:26,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:26,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:26,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:26,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:27,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:27,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:27,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:27,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:27,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:27,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:27,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:27,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 08:45:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 08:45:27,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:45:27,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:45:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 08:45:27,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:45:27,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:45:27,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 08:45:27,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:45:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:45:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:45:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:27,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:27,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:27,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:27,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:27,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:27,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:45:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:27,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:27,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:45:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:27,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:27,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:27,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:27,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:27,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:27,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:27,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:27,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:27,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:27,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:27,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:27,169 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 08:45:27,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1207222974] [2020-09-25 08:45:27,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:27,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 08:45:27,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556625791] [2020-09-25 08:45:27,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 08:45:27,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:27,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 08:45:27,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:45:27,175 INFO L87 Difference]: Start difference. First operand 255 states and 275 transitions. Second operand 7 states. [2020-09-25 08:45:27,670 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:29,233 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:30,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:30,598 INFO L93 Difference]: Finished difference Result 606 states and 728 transitions. [2020-09-25 08:45:30,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 08:45:30,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 156 [2020-09-25 08:45:30,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:30,606 INFO L225 Difference]: With dead ends: 606 [2020-09-25 08:45:30,607 INFO L226 Difference]: Without dead ends: 461 [2020-09-25 08:45:30,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-25 08:45:30,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-09-25 08:45:30,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 378. [2020-09-25 08:45:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-25 08:45:30,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 420 transitions. [2020-09-25 08:45:30,678 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 420 transitions. Word has length 156 [2020-09-25 08:45:30,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:30,678 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 420 transitions. [2020-09-25 08:45:30,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 08:45:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 420 transitions. [2020-09-25 08:45:30,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-25 08:45:30,684 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:30,684 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:30,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:45:30,687 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:30,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:30,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1386645463, now seen corresponding path program 1 times [2020-09-25 08:45:30,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:30,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227759445] [2020-09-25 08:45:30,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:30,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:30,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:32,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:35,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:35,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 08:45:35,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 08:45:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 08:45:35,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:35,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:45:35,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:45:35,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,129 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:36,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:36,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 08:45:36,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:36,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:36,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:36,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:36,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:36,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:36,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:36,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:45:36,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:36,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:36,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:36,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 08:45:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 08:45:36,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 08:45:36,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 08:45:36,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:45:36,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:45:36,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:45:36,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:45:36,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:36,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:45:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:45:36,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:36,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:36,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:45:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:36,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:36,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:36,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 08:45:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:36,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:36,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:36,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 08:45:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:36,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:36,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:36,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:36,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:36,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:36,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:36,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:36,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:36,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:36,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:36,456 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 08:45:36,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227759445] [2020-09-25 08:45:36,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:36,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:45:36,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523272258] [2020-09-25 08:45:36,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:45:36,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:36,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:45:36,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:45:36,461 INFO L87 Difference]: Start difference. First operand 378 states and 420 transitions. Second operand 5 states. [2020-09-25 08:45:37,107 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:38,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:38,293 INFO L93 Difference]: Finished difference Result 612 states and 685 transitions. [2020-09-25 08:45:38,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:45:38,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 180 [2020-09-25 08:45:38,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:38,303 INFO L225 Difference]: With dead ends: 612 [2020-09-25 08:45:38,303 INFO L226 Difference]: Without dead ends: 404 [2020-09-25 08:45:38,305 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:45:38,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-25 08:45:38,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 351. [2020-09-25 08:45:38,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-09-25 08:45:38,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 377 transitions. [2020-09-25 08:45:38,356 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 377 transitions. Word has length 180 [2020-09-25 08:45:38,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:38,357 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 377 transitions. [2020-09-25 08:45:38,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:45:38,357 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 377 transitions. [2020-09-25 08:45:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-09-25 08:45:38,359 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:38,359 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:38,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:45:38,360 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:38,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:38,360 INFO L82 PathProgramCache]: Analyzing trace with hash -764606084, now seen corresponding path program 1 times [2020-09-25 08:45:38,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:38,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617694120] [2020-09-25 08:45:38,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:38,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:39,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:40,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:40,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:43,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:43,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-09-25 08:45:43,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:45:43,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 08:45:43,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:43,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:43,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 08:45:43,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 08:45:43,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 08:45:43,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:43,793 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:43,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:43,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:43,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:43,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:43,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:43,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 08:45:43,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:43,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:43,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:43,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:43,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:43,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:43,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:43,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:43,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:43,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:43,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:43,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:43,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:43,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:43,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:43,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:43,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:43,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:43,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:43,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:43,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:43,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:43,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:43,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:43,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:43,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:43,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:43,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:43,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:43,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:43,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:43,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:43,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:43,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:43,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:43,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:43,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:43,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:43,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:43,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:43,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:43,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:43,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:45:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:43,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:43,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:44,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:44,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:44,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 08:45:44,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:45:44,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 08:45:44,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:44,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:45:44,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:44,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:44,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:44,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 08:45:44,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:44,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 08:45:44,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:44,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:44,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:45:44,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:44,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:44,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:44,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:44,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:45:44,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:45:44,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:44,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:44,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 08:45:44,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:44,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:45:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:44,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:44,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:44,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:45:44,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:44,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:44,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:44,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:44,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:44,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:44,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:44,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:45:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:44,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:44,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:44,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:44,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:44,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:44,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:44,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:44,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:44,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 08:45:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:44,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:44,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:44,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:44,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:44,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:45:44,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:44,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:44,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:44,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 08:45:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:44,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:44,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:44,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:44,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:44,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 08:45:44,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:44,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:45:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:44,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:44,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:44,293 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 08:45:44,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617694120] [2020-09-25 08:45:44,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:44,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:45:44,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055451827] [2020-09-25 08:45:44,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:45:44,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:44,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:45:44,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:45:44,299 INFO L87 Difference]: Start difference. First operand 351 states and 377 transitions. Second operand 9 states. [2020-09-25 08:45:44,845 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:46,352 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:46,637 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:46,926 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:45:47,239 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:47,579 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:45:47,953 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:45:48,283 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:45:48,607 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:45:49,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:49,518 INFO L93 Difference]: Finished difference Result 413 states and 461 transitions. [2020-09-25 08:45:49,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:45:49,519 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2020-09-25 08:45:49,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:49,524 INFO L225 Difference]: With dead ends: 413 [2020-09-25 08:45:49,524 INFO L226 Difference]: Without dead ends: 410 [2020-09-25 08:45:49,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 08:45:49,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-09-25 08:45:49,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 351. [2020-09-25 08:45:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-09-25 08:45:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 376 transitions. [2020-09-25 08:45:49,576 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 376 transitions. Word has length 189 [2020-09-25 08:45:49,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:49,577 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 376 transitions. [2020-09-25 08:45:49,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:45:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 376 transitions. [2020-09-25 08:45:49,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 08:45:49,579 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:49,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:49,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:45:49,580 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:49,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:49,581 INFO L82 PathProgramCache]: Analyzing trace with hash -971340205, now seen corresponding path program 1 times [2020-09-25 08:45:49,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:49,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521249297] [2020-09-25 08:45:49,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:49,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:50,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:54,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:54,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-25 08:45:54,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:45:54,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 08:45:54,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:54,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:54,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:45:54,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-09-25 08:45:54,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:45:54,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:54,974 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:54,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:55,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 08:45:55,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:55,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:55,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:55,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:55,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:55,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:55,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:55,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:55,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:55,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:55,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:55,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:55,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:55,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:55,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:55,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:55,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:55,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:55,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:55,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:55,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:55,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:55,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:55,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:45:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 08:45:55,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 08:45:55,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:45:55,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 08:45:55,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:45:55,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:55,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 08:45:55,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 08:45:55,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 08:45:55,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 08:45:55,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 08:45:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:55,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:45:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 08:45:55,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 08:45:55,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:45:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:55,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 08:45:55,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 08:45:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 08:45:55,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:45:55,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:55,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:55,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:55,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 08:45:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:45:55,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:55,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:55,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 08:45:55,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:55,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:45:55,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 08:45:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:55,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:55,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:55,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:55,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:55,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:55,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 08:45:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:55,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:55,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:55,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:55,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:55,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:55,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:55,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:55,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:55,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:55,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:55,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:55,591 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 08:45:55,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521249297] [2020-09-25 08:45:55,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:55,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:45:55,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818296138] [2020-09-25 08:45:55,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:45:55,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:55,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:45:55,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:45:55,595 INFO L87 Difference]: Start difference. First operand 351 states and 376 transitions. Second operand 9 states.