/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=NARROWEST --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_spec1_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:44:05,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:44:05,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:44:05,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:44:05,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:44:05,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:44:05,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:44:05,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:44:05,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:44:05,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:44:05,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:44:05,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:44:05,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:44:05,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:44:05,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:44:05,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:44:05,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:44:05,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:44:05,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:44:05,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:44:05,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:44:05,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:44:05,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:44:05,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:44:05,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:44:05,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:44:05,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:44:05,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:44:05,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:44:05,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:44:05,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:44:05,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:44:05,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:44:05,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:44:05,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:44:05,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:44:05,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:44:05,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:44:05,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:44:05,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:44:05,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:44:05,292 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 01:44:05,318 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:44:05,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:44:05,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:44:05,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:44:05,320 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:44:05,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:44:05,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:44:05,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:44:05,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:44:05,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:44:05,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:44:05,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:44:05,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:44:05,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:44:05,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:44:05,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:44:05,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:44:05,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:44:05,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:44:05,324 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:44:05,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:44:05,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:44:05,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:44:05,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:44:05,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:44:05,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:44:05,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:44:05,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:44:05,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:44:05,326 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 01:44:05,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:44:05,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:44:05,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:44:05,793 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:44:05,794 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:44:05,795 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product38.cil.c [2020-09-25 01:44:05,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4ed5f87c/5a1d7d81da924465985dc481cc5187c9/FLAG144ce8820 [2020-09-25 01:44:06,474 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:44:06,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product38.cil.c [2020-09-25 01:44:06,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4ed5f87c/5a1d7d81da924465985dc481cc5187c9/FLAG144ce8820 [2020-09-25 01:44:06,761 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4ed5f87c/5a1d7d81da924465985dc481cc5187c9 [2020-09-25 01:44:06,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:44:06,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:44:06,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:44:06,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:44:06,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:44:06,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:44:06" (1/1) ... [2020-09-25 01:44:06,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256ae262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:06, skipping insertion in model container [2020-09-25 01:44:06,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:44:06" (1/1) ... [2020-09-25 01:44:06,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:44:06,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:44:07,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:44:07,356 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:44:07,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:44:07,537 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:44:07,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07 WrapperNode [2020-09-25 01:44:07,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:44:07,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:44:07,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:44:07,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:44:07,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07" (1/1) ... [2020-09-25 01:44:07,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07" (1/1) ... [2020-09-25 01:44:07,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07" (1/1) ... [2020-09-25 01:44:07,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07" (1/1) ... [2020-09-25 01:44:07,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07" (1/1) ... [2020-09-25 01:44:07,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07" (1/1) ... [2020-09-25 01:44:07,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07" (1/1) ... [2020-09-25 01:44:07,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:44:07,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:44:07,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:44:07,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:44:07,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07" (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 01:44:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:44:07,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:44:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 01:44:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 01:44:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 01:44:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 01:44:07,746 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 01:44:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:44:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 01:44:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 01:44:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 01:44:07,747 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 01:44:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 01:44:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 01:44:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 01:44:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 01:44:07,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 01:44:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 01:44:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 01:44:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 01:44:07,749 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 01:44:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 01:44:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 01:44:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 01:44:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 01:44:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 01:44:07,750 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 01:44:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 01:44:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 01:44:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 01:44:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 01:44:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 01:44:07,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 01:44:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 01:44:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 01:44:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 01:44:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 01:44:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 01:44:07,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 01:44:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:44:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:44:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 01:44:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 01:44:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 01:44:07,753 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 01:44:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 01:44:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 01:44:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 01:44:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 01:44:07,754 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 01:44:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 01:44:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 01:44:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 01:44:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 01:44:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:44:07,755 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 01:44:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 01:44:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 01:44:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 01:44:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 01:44:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 01:44:07,756 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:44:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:44:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 01:44:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:44:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:44:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:44:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:44:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 01:44:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:44:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 01:44:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 01:44:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:44:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 01:44:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 01:44:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:44:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 01:44:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 01:44:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 01:44:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 01:44:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 01:44:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 01:44:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 01:44:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 01:44:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 01:44:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 01:44:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 01:44:07,760 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 01:44:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 01:44:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:44:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:44:07,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:44:08,938 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:44:08,938 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 01:44:08,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:44:08 BoogieIcfgContainer [2020-09-25 01:44:08,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:44:08,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:44:08,957 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:44:08,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:44:08,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:44:06" (1/3) ... [2020-09-25 01:44:08,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1317c5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:44:08, skipping insertion in model container [2020-09-25 01:44:08,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:44:07" (2/3) ... [2020-09-25 01:44:08,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1317c5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:44:08, skipping insertion in model container [2020-09-25 01:44:08,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:44:08" (3/3) ... [2020-09-25 01:44:08,966 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product38.cil.c [2020-09-25 01:44:08,978 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:44:08,991 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:44:09,015 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:44:09,057 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:44:09,057 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:44:09,057 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:44:09,057 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:44:09,058 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:44:09,058 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:44:09,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:44:09,058 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:44:09,096 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states. [2020-09-25 01:44:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 01:44:09,131 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:09,133 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 01:44:09,133 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:09,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:09,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2128738986, now seen corresponding path program 1 times [2020-09-25 01:44:09,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:09,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697612548] [2020-09-25 01:44:09,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:09,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:09,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:11,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:12,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:13,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:14,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:14,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 01:44:14,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:44:14,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 01:44:14,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 01:44:14,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:14,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 01:44:15,025 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:15,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:44:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:15,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:15,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:15,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 01:44:15,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:15,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 01:44:15,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:15,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:15,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:15,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 01:44:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:15,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:15,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:15,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:15,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:15,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:15,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:15,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 01:44:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:15,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:15,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:15,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:15,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:15,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:15,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:15,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 01:44:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:15,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:15,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:15,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:15,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:15,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:44:15,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:15,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:15,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:15,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:15,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:15,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 01:44:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:15,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:15,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:15,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:15,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:15,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:15,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:15,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:15,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 01:44:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:15,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:15,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:15,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:15,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:15,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:15,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:15,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:15,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 01:44:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:15,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:15,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:15,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:15,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:15,342 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 01:44:15,343 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697612548] [2020-09-25 01:44:15,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:44:15,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 01:44:15,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923585374] [2020-09-25 01:44:15,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 01:44:15,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:44:15,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 01:44:15,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:44:15,375 INFO L87 Difference]: Start difference. First operand 305 states. Second operand 3 states. [2020-09-25 01:44:16,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:44:16,837 INFO L93 Difference]: Finished difference Result 476 states and 568 transitions. [2020-09-25 01:44:16,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 01:44:16,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 01:44:16,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:44:16,862 INFO L225 Difference]: With dead ends: 476 [2020-09-25 01:44:16,862 INFO L226 Difference]: Without dead ends: 296 [2020-09-25 01:44:16,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 01:44:16,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-09-25 01:44:17,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 254. [2020-09-25 01:44:17,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-25 01:44:17,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 276 transitions. [2020-09-25 01:44:17,011 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 276 transitions. Word has length 142 [2020-09-25 01:44:17,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:44:17,012 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 276 transitions. [2020-09-25 01:44:17,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 01:44:17,012 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 276 transitions. [2020-09-25 01:44:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 01:44:17,016 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:17,016 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] [2020-09-25 01:44:17,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:44:17,017 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:17,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:17,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1334241536, now seen corresponding path program 1 times [2020-09-25 01:44:17,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:17,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007221650] [2020-09-25 01:44:17,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:17,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:17,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:18,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:19,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:20,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:22,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:22,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 01:44:22,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:44:22,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 01:44:22,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:44:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 01:44:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:44:22,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 01:44:22,437 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:22,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:44:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:22,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:22,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:22,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 01:44:22,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:22,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 01:44:22,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:22,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:22,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:22,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:22,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 01:44:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:22,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:22,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:22,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:22,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:22,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:22,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:22,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:22,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:22,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 01:44:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:22,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:22,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:22,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:22,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:22,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:22,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:22,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:22,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:22,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 01:44:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:22,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:22,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:22,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:22,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:22,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:44:22,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:22,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:22,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:22,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 01:44:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:22,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:22,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:22,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:22,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:22,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:22,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:22,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:22,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:22,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:22,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:22,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 01:44:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:22,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:22,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:22,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:22,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:22,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:22,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:22,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:22,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 01:44:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:22,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:22,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:22,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:22,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:22,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:22,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:22,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:22,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:22,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:22,689 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 01:44:22,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007221650] [2020-09-25 01:44:22,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:44:22,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 01:44:22,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888247899] [2020-09-25 01:44:22,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 01:44:22,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:44:22,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 01:44:22,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:44:22,695 INFO L87 Difference]: Start difference. First operand 254 states and 276 transitions. Second operand 4 states. [2020-09-25 01:44:23,387 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:44:24,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:44:24,452 INFO L93 Difference]: Finished difference Result 389 states and 439 transitions. [2020-09-25 01:44:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 01:44:24,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 01:44:24,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:44:24,458 INFO L225 Difference]: With dead ends: 389 [2020-09-25 01:44:24,458 INFO L226 Difference]: Without dead ends: 279 [2020-09-25 01:44:24,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:44:24,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-09-25 01:44:24,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 244. [2020-09-25 01:44:24,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 01:44:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 263 transitions. [2020-09-25 01:44:24,544 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 263 transitions. Word has length 143 [2020-09-25 01:44:24,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:44:24,545 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 263 transitions. [2020-09-25 01:44:24,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 01:44:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 263 transitions. [2020-09-25 01:44:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 01:44:24,547 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:24,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:44:24,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:44:24,548 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:24,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:24,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1890436660, now seen corresponding path program 1 times [2020-09-25 01:44:24,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:24,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003044113] [2020-09-25 01:44:24,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:24,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:24,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:25,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:26,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:29,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:29,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 01:44:29,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 01:44:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-09-25 01:44:29,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:44:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 01:44:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:44:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:29,990 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:29,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:44:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 01:44:30,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 01:44:30,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:30,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 01:44:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:30,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:30,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:30,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 01:44:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:30,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:30,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:30,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 01:44:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:30,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:44:30,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:30,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 01:44:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:30,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:30,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:30,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 01:44:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:44:30,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:44:30,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:44:30,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:30,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 01:44:30,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:30,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 01:44:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:30,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:30,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:30,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:30,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 01:44:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:30,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:30,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:30,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:30,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:30,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:30,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:30,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 01:44:30,290 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 01:44:30,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003044113] [2020-09-25 01:44:30,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:44:30,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:44:30,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147543169] [2020-09-25 01:44:30,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:44:30,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:44:30,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:44:30,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:44:30,299 INFO L87 Difference]: Start difference. First operand 244 states and 263 transitions. Second operand 5 states. [2020-09-25 01:44:31,000 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 01:44:32,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:44:32,073 INFO L93 Difference]: Finished difference Result 435 states and 501 transitions. [2020-09-25 01:44:32,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 01:44:32,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 01:44:32,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:44:32,077 INFO L225 Difference]: With dead ends: 435 [2020-09-25 01:44:32,078 INFO L226 Difference]: Without dead ends: 301 [2020-09-25 01:44:32,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:44:32,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-25 01:44:32,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 244. [2020-09-25 01:44:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-25 01:44:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 262 transitions. [2020-09-25 01:44:32,123 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 262 transitions. Word has length 156 [2020-09-25 01:44:32,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:44:32,124 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 262 transitions. [2020-09-25 01:44:32,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:44:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 262 transitions. [2020-09-25 01:44:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 01:44:32,126 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:32,127 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] [2020-09-25 01:44:32,127 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:44:32,127 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:32,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:32,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1501938266, now seen corresponding path program 1 times [2020-09-25 01:44:32,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:32,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870792233] [2020-09-25 01:44:32,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:32,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:32,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:32,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:34,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:35,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:35,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:35,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-25 01:44:37,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 01:44:37,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 01:44:37,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:44:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-09-25 01:44:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:44:37,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:37,572 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:37,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:44:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 01:44:37,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 01:44:37,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:37,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:37,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:37,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 01:44:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:37,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:44:37,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:37,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:37,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:37,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 01:44:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:37,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:37,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:37,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:37,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:37,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:37,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 01:44:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:37,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:44:37,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:37,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:37,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:37,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:37,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 01:44:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:37,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:37,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:37,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 01:44:37,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:44:37,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:37,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:37,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:37,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:37,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:37,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 01:44:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:44:37,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 01:44:37,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:44:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 01:44:37,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:44:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:37,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:44:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 01:44:37,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 01:44:37,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:44:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 01:44:37,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 01:44:37,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:37,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:44:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:37,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:44:37,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:44:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:37,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:44:37,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:37,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 01:44:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:37,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:37,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:37,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:37,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:37,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:37,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 01:44:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:37,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:37,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:37,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:37,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:37,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:44:37,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:37,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:37,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:37,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:37,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:37,930 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 01:44:37,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870792233] [2020-09-25 01:44:37,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:44:37,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 01:44:37,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167902692] [2020-09-25 01:44:37,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 01:44:37,933 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:44:37,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 01:44:37,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:44:37,934 INFO L87 Difference]: Start difference. First operand 244 states and 262 transitions. Second operand 7 states. [2020-09-25 01:44:38,463 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:44:40,243 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:44:41,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:44:41,221 INFO L93 Difference]: Finished difference Result 615 states and 731 transitions. [2020-09-25 01:44:41,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 01:44:41,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2020-09-25 01:44:41,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:44:41,227 INFO L225 Difference]: With dead ends: 615 [2020-09-25 01:44:41,227 INFO L226 Difference]: Without dead ends: 481 [2020-09-25 01:44:41,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-25 01:44:41,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-09-25 01:44:41,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 354. [2020-09-25 01:44:41,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-09-25 01:44:41,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 381 transitions. [2020-09-25 01:44:41,284 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 381 transitions. Word has length 169 [2020-09-25 01:44:41,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:44:41,285 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 381 transitions. [2020-09-25 01:44:41,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 01:44:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 381 transitions. [2020-09-25 01:44:41,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 01:44:41,288 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:41,288 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] [2020-09-25 01:44:41,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:44:41,289 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:41,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:41,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1109115497, now seen corresponding path program 1 times [2020-09-25 01:44:41,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:41,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255729004] [2020-09-25 01:44:41,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:41,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:41,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:43,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:44,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:44,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:44,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:46,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:46,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-25 01:44:46,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 01:44:46,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 01:44:46,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:44:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 01:44:46,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:44:46,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:46,660 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 01:44:46,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:44:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:46,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:46,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:46,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 01:44:46,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 01:44:46,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:46,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:46,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 01:44:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:46,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:46,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:46,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:46,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:46,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:46,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:46,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:46,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:46,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:46,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 01:44:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:46,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:46,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:46,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:46,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:46,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:44:46,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:46,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 01:44:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:46,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:46,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:46,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:46,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:44:46,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:46,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:44:46,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 01:44:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:46,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:46,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:46,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:46,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:46,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:46,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:46,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:46,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 01:44:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:46,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:46,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:46,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:44:46,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:46,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:46,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 01:44:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:46,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:46,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:47,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:47,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 01:44:47,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:44:47,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-09-25 01:44:47,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:44:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 01:44:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:44:47,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:47,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:44:47,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:47,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:47,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:47,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:47,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 01:44:47,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:44:47,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-09-25 01:44:47,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:44:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 01:44:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:44:47,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:47,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:44:47,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:47,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:47,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:47,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 01:44:47,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:47,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 01:44:47,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:47,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:44:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 01:44:47,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:44:47,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:47,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 01:44:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:47,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:47,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:47,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:44:47,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:47,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:44:47,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:44:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:44:47,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:44:47,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:47,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 01:44:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:47,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:44:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:44:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 01:44:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:47,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 01:44:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:47,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:47,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:47,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:47,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:47,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:47,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:47,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:47,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:47,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 01:44:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:47,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:47,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:47,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:44:47,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:44:47,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:44:47,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:44:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:44:47,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:44:47,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:44:47,352 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 01:44:47,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255729004] [2020-09-25 01:44:47,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:44:47,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 01:44:47,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089430949] [2020-09-25 01:44:47,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 01:44:47,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:44:47,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 01:44:47,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 01:44:47,355 INFO L87 Difference]: Start difference. First operand 354 states and 381 transitions. Second operand 9 states. [2020-09-25 01:44:48,547 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:44:48,856 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:44:49,186 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:44:49,502 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:44:49,792 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:44:50,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:44:50,985 INFO L93 Difference]: Finished difference Result 730 states and 860 transitions. [2020-09-25 01:44:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 01:44:50,986 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 193 [2020-09-25 01:44:50,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:44:50,991 INFO L225 Difference]: With dead ends: 730 [2020-09-25 01:44:50,991 INFO L226 Difference]: Without dead ends: 486 [2020-09-25 01:44:50,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 01:44:50,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-09-25 01:44:51,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 360. [2020-09-25 01:44:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-09-25 01:44:51,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 387 transitions. [2020-09-25 01:44:51,045 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 387 transitions. Word has length 193 [2020-09-25 01:44:51,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:44:51,046 INFO L479 AbstractCegarLoop]: Abstraction has 360 states and 387 transitions. [2020-09-25 01:44:51,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 01:44:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 387 transitions. [2020-09-25 01:44:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 01:44:51,048 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:44:51,049 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] [2020-09-25 01:44:51,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 01:44:51,049 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:44:51,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:44:51,050 INFO L82 PathProgramCache]: Analyzing trace with hash -2046057975, now seen corresponding path program 1 times [2020-09-25 01:44:51,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:44:51,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810825264] [2020-09-25 01:44:51,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:44:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:44:51,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:51,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:51,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:52,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:52,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:44:56,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:44:56,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-25 01:44:56,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:44:56,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 01:44:56,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:44:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:44:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 01:44:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 01:44:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0