/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=WIDEST --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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:02:19,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:02:19,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:02:19,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:02:19,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:02:19,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:02:19,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:02:19,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:02:19,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:02:19,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:02:19,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:02:19,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:02:19,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:02:19,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:02:19,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:02:19,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:02:19,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:02:19,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:02:19,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:02:19,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:02:19,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:02:19,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:02:19,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:02:19,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:02:19,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:02:19,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:02:19,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:02:19,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:02:19,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:02:19,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:02:19,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:02:19,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:02:19,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:02:19,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:02:19,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:02:19,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:02:19,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:02:19,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:02:19,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:02:19,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:02:19,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:02:19,996 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 03:02:20,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:02:20,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:02:20,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:02:20,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:02:20,034 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:02:20,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:02:20,036 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:02:20,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:02:20,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:02:20,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:02:20,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:02:20,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:02:20,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:02:20,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:02:20,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:02:20,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:02:20,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:02:20,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:02:20,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:02:20,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:02:20,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:02:20,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:02:20,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:02:20,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:02:20,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:02:20,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:02:20,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:02:20,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:02:20,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:02:20,043 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:02:20,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:02:20,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:02:20,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:02:20,601 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:02:20,602 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:02:20,603 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-09-25 03:02:20,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f9e4adb0/97abe9c3e2df415c99d5dc796550f7fb/FLAG8a590a628 [2020-09-25 03:02:21,348 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:02:21,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-09-25 03:02:21,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f9e4adb0/97abe9c3e2df415c99d5dc796550f7fb/FLAG8a590a628 [2020-09-25 03:02:21,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1f9e4adb0/97abe9c3e2df415c99d5dc796550f7fb [2020-09-25 03:02:21,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:02:21,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:02:21,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:02:21,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:02:21,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:02:21,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:02:21" (1/1) ... [2020-09-25 03:02:21,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af20ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:21, skipping insertion in model container [2020-09-25 03:02:21,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:02:21" (1/1) ... [2020-09-25 03:02:21,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:02:21,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:02:22,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:02:22,198 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:02:22,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:02:22,309 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:02:22,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22 WrapperNode [2020-09-25 03:02:22,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:02:22,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:02:22,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:02:22,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:02:22,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22" (1/1) ... [2020-09-25 03:02:22,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22" (1/1) ... [2020-09-25 03:02:22,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22" (1/1) ... [2020-09-25 03:02:22,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22" (1/1) ... [2020-09-25 03:02:22,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22" (1/1) ... [2020-09-25 03:02:22,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22" (1/1) ... [2020-09-25 03:02:22,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22" (1/1) ... [2020-09-25 03:02:22,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:02:22,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:02:22,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:02:22,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:02:22,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22" (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 03:02:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:02:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:02:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:02:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:02:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:02:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:02:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:02:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:02:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:02:22,490 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:02:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:02:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:02:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:02:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:02:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:02:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:02:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:02:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:02:22,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:02:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:02:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:02:22,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:02:22,495 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:02:22,495 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:02:22,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:02:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:02:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:02:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:02:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:02:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:02:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:02:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:02:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:02:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:02:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:02:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:02:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:02:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:02:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:02:22,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:02:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:02:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:02:22,503 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:02:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:02:22,504 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:02:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:02:22,505 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:02:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:02:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:02:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:02:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:02:22,506 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:02:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:02:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:02:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:02:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:02:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:02:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:02:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:02:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:02:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 03:02:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:02:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:02:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:02:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:02:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:02:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:02:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:02:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:02:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:02:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:02:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:02:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:02:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:02:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:02:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:02:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:02:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:02:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:02:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:02:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:02:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:02:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:02:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:02:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:02:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:02:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:02:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:02:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:02:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:02:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:02:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:02:23,650 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:02:23,650 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:02:23,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:02:23 BoogieIcfgContainer [2020-09-25 03:02:23,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:02:23,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:02:23,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:02:23,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:02:23,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:02:21" (1/3) ... [2020-09-25 03:02:23,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7221ea6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:02:23, skipping insertion in model container [2020-09-25 03:02:23,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:02:22" (2/3) ... [2020-09-25 03:02:23,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7221ea6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:02:23, skipping insertion in model container [2020-09-25 03:02:23,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:02:23" (3/3) ... [2020-09-25 03:02:23,667 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c [2020-09-25 03:02:23,679 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:02:23,690 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:02:23,712 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:02:23,743 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:02:23,743 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:02:23,743 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:02:23,743 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:02:23,743 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:02:23,743 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:02:23,743 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:02:23,743 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:02:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states. [2020-09-25 03:02:23,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:02:23,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:02:23,790 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 03:02:23,791 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:02:23,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:02:23,799 INFO L82 PathProgramCache]: Analyzing trace with hash 970389308, now seen corresponding path program 1 times [2020-09-25 03:02:23,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:02:23,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079776337] [2020-09-25 03:02:23,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:02:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:24,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:24,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:26,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:29,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:29,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:02:29,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:02:29,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-09-25 03:02:29,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:29,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:02:29,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 03:02:29,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:02:29,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 03:02:29,646 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:02:29,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:02:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:29,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:29,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:29,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:02:29,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:29,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-25 03:02:29,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:02:29,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:30,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:02:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:30,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:30,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:30,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:30,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:02:30,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:30,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:30,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:02:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:30,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:30,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:30,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:30,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:30,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:02:30,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:30,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:30,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:30,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:30,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:30,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:02:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:30,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:30,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:30,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:30,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:30,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:02:30,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:30,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:30,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:02:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:30,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:30,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:30,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:30,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:30,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:02:30,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:30,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:30,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:02:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:30,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:30,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:30,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:30,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:30,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:02:30,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:02:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:30,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:30,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:30,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:02:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:30,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:30,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:30,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:30,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:30,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:30,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:02:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:30,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:30,130 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 03:02:30,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079776337] [2020-09-25 03:02:30,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:02:30,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:02:30,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539500327] [2020-09-25 03:02:30,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:02:30,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:02:30,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:02:30,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:02:30,166 INFO L87 Difference]: Start difference. First operand 309 states. Second operand 8 states. [2020-09-25 03:02:30,801 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:02:31,775 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:02:32,083 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:32,513 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:02:32,891 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:02:33,234 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:33,551 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:02:33,864 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:02:35,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:02:35,867 INFO L93 Difference]: Finished difference Result 642 states and 782 transitions. [2020-09-25 03:02:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:02:35,870 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 03:02:35,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:02:35,893 INFO L225 Difference]: With dead ends: 642 [2020-09-25 03:02:35,893 INFO L226 Difference]: Without dead ends: 444 [2020-09-25 03:02:35,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:02:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-09-25 03:02:36,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 398. [2020-09-25 03:02:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-09-25 03:02:36,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 445 transitions. [2020-09-25 03:02:36,080 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 445 transitions. Word has length 142 [2020-09-25 03:02:36,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:02:36,081 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 445 transitions. [2020-09-25 03:02:36,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:02:36,082 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 445 transitions. [2020-09-25 03:02:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 03:02:36,088 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:02:36,089 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:02:36,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:02:36,090 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:02:36,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:02:36,090 INFO L82 PathProgramCache]: Analyzing trace with hash 773839308, now seen corresponding path program 1 times [2020-09-25 03:02:36,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:02:36,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307353898] [2020-09-25 03:02:36,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:02:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:36,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:36,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:37,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:40,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:41,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:41,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 03:02:41,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:02:41,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 03:02:41,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:02:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:02:41,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-25 03:02:41,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:41,562 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:02:41,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:02:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:41,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:41,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:41,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:02:41,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:41,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-09-25 03:02:41,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:02:41,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:41,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:02:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:41,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:41,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:41,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:41,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:41,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:02:41,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:41,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:41,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:41,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:02:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:41,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:41,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:41,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:41,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:41,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:41,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:41,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:41,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:41,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:02:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:41,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:41,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:41,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:41,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:41,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:02:41,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:41,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:41,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:41,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:41,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:41,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:02:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:41,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:41,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:41,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:41,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:41,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:41,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:41,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:41,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:02:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:41,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:41,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:02:41,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:02:41,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:41,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:02:41,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:41,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 03:02:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:41,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:41,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:41,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:41,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:41,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:41,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:41,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:41,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:02:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:41,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:41,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:41,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:41,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:41,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:02:41,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:02:42,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:42,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:42,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:42,070 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 03:02:42,071 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307353898] [2020-09-25 03:02:42,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:02:42,072 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:02:42,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209885540] [2020-09-25 03:02:42,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:02:42,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:02:42,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:02:42,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:02:42,075 INFO L87 Difference]: Start difference. First operand 398 states and 445 transitions. Second operand 9 states. [2020-09-25 03:02:42,587 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:02:44,037 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:02:44,399 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:44,766 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:02:45,108 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:02:45,445 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:46,189 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:02:46,479 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:02:46,870 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:02:47,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:02:47,833 INFO L93 Difference]: Finished difference Result 889 states and 1095 transitions. [2020-09-25 03:02:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:02:47,834 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 03:02:47,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:02:47,844 INFO L225 Difference]: With dead ends: 889 [2020-09-25 03:02:47,845 INFO L226 Difference]: Without dead ends: 601 [2020-09-25 03:02:47,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:02:47,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-09-25 03:02:47,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 544. [2020-09-25 03:02:47,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2020-09-25 03:02:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 634 transitions. [2020-09-25 03:02:47,938 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 634 transitions. Word has length 148 [2020-09-25 03:02:47,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:02:47,939 INFO L479 AbstractCegarLoop]: Abstraction has 544 states and 634 transitions. [2020-09-25 03:02:47,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:02:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 634 transitions. [2020-09-25 03:02:47,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-09-25 03:02:47,946 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:02:47,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:02:47,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:02:47,947 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:02:47,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:02:47,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1604777254, now seen corresponding path program 1 times [2020-09-25 03:02:47,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:02:47,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763991780] [2020-09-25 03:02:47,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:02:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:48,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:48,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:48,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:48,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:48,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:51,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-09-25 03:02:53,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 03:02:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 03:02:53,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 03:02:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 03:02:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-25 03:02:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:02:53,415 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:02:53,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:02:53,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:02:53,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 275 [2020-09-25 03:02:53,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:02:53,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:53,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:02:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:53,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:53,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:53,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:53,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:02:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:53,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:02:53,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:53,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:53,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:02:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:53,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 03:02:53,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:02:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:53,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:02:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:02:53,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:53,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:53,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:02:53,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:53,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 03:02:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:02:53,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:02:53,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:02:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:02:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:02:53,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:53,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 03:02:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:53,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:53,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:53,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 03:02:53,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:53,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 03:02:53,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:02:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:02:53,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 03:02:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:02:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:02:54,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:02:54,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:54,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 03:02:54,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:02:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:54,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:02:54,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 03:02:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:02:54,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:02:54,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-25 03:02:54,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 03:02:54,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 03:02:54,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:02:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:02:54,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 03:02:54,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:02:54,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:02:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:02:54,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:02:54,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:02:54,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:02:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:02:54,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 03:02:54,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:02:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 03:02:54,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:02:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:02:54,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:54,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:02:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:54,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:02:54,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:02:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:02:54,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:54,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:02:54,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 03:02:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:54,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:54,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:02:54,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:02:54,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-25 03:02:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:02:54,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:02:54,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:02:54,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:02:54,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:02:54,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:02:54,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:02:54,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:02:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:02:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:02:54,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:02:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 03:02:54,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763991780] [2020-09-25 03:02:54,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:02:54,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 03:02:54,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670567477] [2020-09-25 03:02:54,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 03:02:54,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:02:54,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 03:02:54,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-25 03:02:54,562 INFO L87 Difference]: Start difference. First operand 544 states and 634 transitions. Second operand 11 states. [2020-09-25 03:02:55,108 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:02:55,986 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:02:57,912 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:02:58,586 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:02,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:02,292 INFO L93 Difference]: Finished difference Result 1813 states and 2527 transitions. [2020-09-25 03:03:02,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 03:03:02,292 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 237 [2020-09-25 03:03:02,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:02,305 INFO L225 Difference]: With dead ends: 1813 [2020-09-25 03:03:02,306 INFO L226 Difference]: Without dead ends: 1566 [2020-09-25 03:03:02,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2020-09-25 03:03:02,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2020-09-25 03:03:02,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1321. [2020-09-25 03:03:02,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1321 states. [2020-09-25 03:03:02,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1672 transitions. [2020-09-25 03:03:02,495 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1672 transitions. Word has length 237 [2020-09-25 03:03:02,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:02,496 INFO L479 AbstractCegarLoop]: Abstraction has 1321 states and 1672 transitions. [2020-09-25 03:03:02,496 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 03:03:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1672 transitions. [2020-09-25 03:03:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 03:03:02,500 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:02,500 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, 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 03:03:02,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:03:02,501 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:02,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:02,501 INFO L82 PathProgramCache]: Analyzing trace with hash 738542858, now seen corresponding path program 1 times [2020-09-25 03:03:02,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:02,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856739032] [2020-09-25 03:03:02,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:02,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:02,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:05,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:05,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:07,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:07,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-09-25 03:03:07,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:03:07,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 03:03:07,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-25 03:03:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 03:03:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-09-25 03:03:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:07,968 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:07,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:08,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:08,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-25 03:03:08,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:08,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:08,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:08,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:03:08,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:08,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:08,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:08,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:08,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:08,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:08,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:08,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:08,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:08,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:08,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:08,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:08,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:08,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:08,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:08,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:08,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:08,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:08,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:08,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:08,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:08,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:08,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:08,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:08,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:08,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:08,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:08,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:08,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:08,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:08,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:08,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:08,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:08,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:08,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:08,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:03:08,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 03:03:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:08,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:08,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:03:08,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:08,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 03:03:08,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:08,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:03:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:03:08,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:08,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 03:03:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:08,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:08,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking...