/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:48:35,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:48:35,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:48:36,039 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:48:36,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:48:36,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:48:36,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:48:36,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:48:36,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:48:36,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:48:36,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:48:36,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:48:36,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:48:36,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:48:36,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:48:36,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:48:36,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:48:36,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:48:36,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:48:36,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:48:36,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:48:36,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:48:36,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:48:36,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:48:36,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:48:36,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:48:36,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:48:36,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:48:36,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:48:36,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:48:36,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:48:36,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:48:36,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:48:36,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:48:36,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:48:36,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:48:36,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:48:36,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:48:36,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:48:36,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:48:36,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:48:36,114 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 00:48:36,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:48:36,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:48:36,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:48:36,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:48:36,162 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:48:36,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:48:36,163 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:48:36,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:48:36,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:48:36,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:48:36,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:48:36,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:48:36,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:48:36,165 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:48:36,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:48:36,166 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:48:36,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:48:36,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:48:36,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:48:36,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:48:36,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:48:36,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:48:36,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:48:36,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:48:36,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:48:36,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:48:36,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:48:36,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:48:36,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:48:36,168 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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;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=DEEPEST;log-additional-information=true; [2020-09-25 00:48:36,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:48:36,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:48:36,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:48:36,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:48:36,633 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:48:36,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-25 00:48:36,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fa86c732/cd770fd75e034a8e827f305d75567834/FLAGb66b05a44 [2020-09-25 00:48:37,276 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:48:37,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-09-25 00:48:37,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fa86c732/cd770fd75e034a8e827f305d75567834/FLAGb66b05a44 [2020-09-25 00:48:37,536 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fa86c732/cd770fd75e034a8e827f305d75567834 [2020-09-25 00:48:37,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:48:37,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:48:37,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:48:37,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:48:37,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:48:37,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:48:37" (1/1) ... [2020-09-25 00:48:37,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af20ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:37, skipping insertion in model container [2020-09-25 00:48:37,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:48:37" (1/1) ... [2020-09-25 00:48:37,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:48:37,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:48:38,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:48:38,282 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:48:38,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:48:38,430 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:48:38,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38 WrapperNode [2020-09-25 00:48:38,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:48:38,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:48:38,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:48:38,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:48:38,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38" (1/1) ... [2020-09-25 00:48:38,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38" (1/1) ... [2020-09-25 00:48:38,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38" (1/1) ... [2020-09-25 00:48:38,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38" (1/1) ... [2020-09-25 00:48:38,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38" (1/1) ... [2020-09-25 00:48:38,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38" (1/1) ... [2020-09-25 00:48:38,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38" (1/1) ... [2020-09-25 00:48:38,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:48:38,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:48:38,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:48:38,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:48:38,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:48:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:48:38,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:48:38,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:48:38,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:48:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:48:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:48:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:48:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:48:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:48:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 00:48:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:48:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:48:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:48:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:48:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:48:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:48:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:48:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 00:48:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:48:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:48:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:48:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:48:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:48:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:48:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:48:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 00:48:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 00:48:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:48:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:48:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:48:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:48:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:48:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:48:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:48:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:48:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:48:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:48:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:48:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:48:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:48:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:48:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:48:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:48:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:48:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:48:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:48:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:48:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:48:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:48:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:48:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:48:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 00:48:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:48:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:48:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:48:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:48:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:48:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:48:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:48:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:48:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:48:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:48:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:48:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:48:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:48:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:48:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:48:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:48:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:48:38,640 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:48:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:48:38,641 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:48:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:48:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:48:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 00:48:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:48:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 00:48:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 00:48:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:48:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 00:48:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 00:48:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 00:48:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:48:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:48:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:48:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:48:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:48:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:48:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:48:38,646 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:48:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:48:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 00:48:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:48:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:48:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:48:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:48:38,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:48:38,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:48:39,854 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:48:39,854 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:48:39,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:48:39 BoogieIcfgContainer [2020-09-25 00:48:39,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:48:39,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:48:39,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:48:39,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:48:39,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:48:37" (1/3) ... [2020-09-25 00:48:39,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb7a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:48:39, skipping insertion in model container [2020-09-25 00:48:39,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:48:38" (2/3) ... [2020-09-25 00:48:39,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb7a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:48:39, skipping insertion in model container [2020-09-25 00:48:39,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:48:39" (3/3) ... [2020-09-25 00:48:39,873 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-09-25 00:48:39,887 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:48:39,899 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:48:39,925 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:48:39,964 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:48:39,964 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:48:39,964 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:48:39,964 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:48:39,965 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:48:39,966 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:48:39,966 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:48:39,966 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:48:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states. [2020-09-25 00:48:40,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 00:48:40,054 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:48:40,055 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:48:40,056 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:48:40,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:48:40,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1132386032, now seen corresponding path program 1 times [2020-09-25 00:48:40,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:48:40,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647164651] [2020-09-25 00:48:40,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:48:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:40,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:40,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:42,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:42,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:45,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:45,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:45,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 00:48:45,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 00:48:45,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-09-25 00:48:45,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:45,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 161 [2020-09-25 00:48:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 00:48:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:48:45,960 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:48:45,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:45,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:48:46,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 00:48:46,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:48:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:46,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:46,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:48:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:46,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:48:46,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:48:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:46,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:48:46,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:48:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:48:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:46,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 00:48:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:48:46,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 00:48:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:46,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:48:46,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:48:46,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:48:46,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:48:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:46,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:46,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:46,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:46,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:46,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:48:46,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:46,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:48:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 00:48:46,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647164651] [2020-09-25 00:48:46,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:48:46,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:48:46,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498758914] [2020-09-25 00:48:46,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:48:46,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:48:46,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:48:46,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:48:46,364 INFO L87 Difference]: Start difference. First operand 326 states. Second operand 9 states. [2020-09-25 00:48:46,969 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:48:47,829 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:48,111 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:48:49,560 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:48:49,901 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:50,260 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:50,727 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:51,059 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:48:51,377 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:48:52,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:48:52,021 INFO L93 Difference]: Finished difference Result 621 states and 748 transitions. [2020-09-25 00:48:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 00:48:52,023 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 00:48:52,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:48:52,057 INFO L225 Difference]: With dead ends: 621 [2020-09-25 00:48:52,057 INFO L226 Difference]: Without dead ends: 419 [2020-09-25 00:48:52,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:48:52,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-09-25 00:48:52,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 368. [2020-09-25 00:48:52,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-09-25 00:48:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 410 transitions. [2020-09-25 00:48:52,210 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 410 transitions. Word has length 160 [2020-09-25 00:48:52,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:48:52,214 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 410 transitions. [2020-09-25 00:48:52,214 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:48:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 410 transitions. [2020-09-25 00:48:52,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 00:48:52,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:48:52,220 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:48:52,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:48:52,221 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:48:52,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:48:52,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1601774306, now seen corresponding path program 1 times [2020-09-25 00:48:52,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:48:52,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217673508] [2020-09-25 00:48:52,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:48:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:52,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:52,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 00:48:54,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:48:54,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2164 [2020-09-25 00:48:54,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 188 [2020-09-25 00:48:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:48:54,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:54,708 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:48:54,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:54,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:48:54,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:54,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 00:48:54,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:54,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:54,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:48:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:54,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:54,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:54,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:54,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:54,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:54,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:54,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:48:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:54,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:54,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:54,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:54,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:54,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:54,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:54,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:54,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:48:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:54,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:54,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:54,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:48:54,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:54,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:54,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:48:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:54,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:48:54,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:54,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:54,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:54,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:54,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:48:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:54,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:54,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:54,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:54,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:54,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:54,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:54,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:54,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:48:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:54,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:48:54,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:54,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:54,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:54,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:54,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:54,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:48:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:54,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:54,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:54,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:54,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:54,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:48:54,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:54,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:54,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:48:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:54,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:48:55,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 00:48:55,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 00:48:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 00:48:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:48:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:48:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:48:55,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 00:48:55,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:48:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 00:48:55,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:48:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:48:55,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:48:55,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:48:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:48:55,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:48:55,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:48:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:48:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:48:55,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:48:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:55,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:48:55,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:48:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:48:55,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:48:55,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 00:48:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:55,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:55,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 00:48:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:55,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:55,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:48:55,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:48:55,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:48:55,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:48:55,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:48:55,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:48:55,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:48:55,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:48:55,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:48:55,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:48:55,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217673508] [2020-09-25 00:48:55,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:48:55,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 00:48:55,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632121024] [2020-09-25 00:48:55,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 00:48:55,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:48:55,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 00:48:55,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:48:55,339 INFO L87 Difference]: Start difference. First operand 368 states and 410 transitions. Second operand 10 states. [2020-09-25 00:48:57,021 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:57,361 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:48:57,686 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:48:58,007 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:58,345 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:48:58,644 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:48:59,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:48:59,659 INFO L93 Difference]: Finished difference Result 718 states and 870 transitions. [2020-09-25 00:48:59,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 00:48:59,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 216 [2020-09-25 00:48:59,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:48:59,666 INFO L225 Difference]: With dead ends: 718 [2020-09-25 00:48:59,666 INFO L226 Difference]: Without dead ends: 465 [2020-09-25 00:48:59,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 00:48:59,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-09-25 00:48:59,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 382. [2020-09-25 00:48:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-09-25 00:48:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 427 transitions. [2020-09-25 00:48:59,730 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 427 transitions. Word has length 216 [2020-09-25 00:48:59,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:48:59,731 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 427 transitions. [2020-09-25 00:48:59,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 00:48:59,732 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 427 transitions. [2020-09-25 00:48:59,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 00:48:59,735 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:48:59,735 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:48:59,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:48:59,736 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:48:59,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:48:59,736 INFO L82 PathProgramCache]: Analyzing trace with hash -161974914, now seen corresponding path program 1 times [2020-09-25 00:48:59,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:48:59,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544884319] [2020-09-25 00:48:59,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:48:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:48:59,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:48:59,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:01,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:01,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 00:49:01,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:49:01,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1741 [2020-09-25 00:49:01,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-25 00:49:01,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:01,931 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:01,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:01,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 00:49:02,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:02,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:02,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:02,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:02,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:02,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:02,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:02,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:02,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:02,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:02,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:49:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:02,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:02,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:02,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:02,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:49:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:49:02,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 00:49:02,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:49:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:02,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:02,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 00:49:02,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:49:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:49:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:49:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:02,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:49:02,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 00:49:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:02,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:02,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:49:02,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 00:49:02,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:49:02,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:49:02,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:02,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:02,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:02,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:49:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:02,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:02,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:02,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 00:49:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:02,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:02,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 00:49:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:02,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:02,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:02,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:02,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:02,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:02,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:02,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:02,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:49:02,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544884319] [2020-09-25 00:49:02,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:02,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 00:49:02,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561442212] [2020-09-25 00:49:02,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 00:49:02,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:02,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 00:49:02,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 00:49:02,478 INFO L87 Difference]: Start difference. First operand 382 states and 427 transitions. Second operand 9 states. [2020-09-25 00:49:03,972 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 00:49:04,286 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 00:49:04,632 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:04,972 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 00:49:05,274 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:06,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:06,307 INFO L93 Difference]: Finished difference Result 741 states and 896 transitions. [2020-09-25 00:49:06,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 00:49:06,308 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2020-09-25 00:49:06,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:06,312 INFO L225 Difference]: With dead ends: 741 [2020-09-25 00:49:06,312 INFO L226 Difference]: Without dead ends: 474 [2020-09-25 00:49:06,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 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 00:49:06,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-09-25 00:49:06,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 388. [2020-09-25 00:49:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-09-25 00:49:06,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 433 transitions. [2020-09-25 00:49:06,373 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 433 transitions. Word has length 216 [2020-09-25 00:49:06,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:06,374 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 433 transitions. [2020-09-25 00:49:06,374 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 00:49:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 433 transitions. [2020-09-25 00:49:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 00:49:06,378 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:06,378 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:06,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:49:06,379 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:06,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:06,379 INFO L82 PathProgramCache]: Analyzing trace with hash -782446661, now seen corresponding path program 1 times [2020-09-25 00:49:06,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:06,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590664267] [2020-09-25 00:49:06,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:06,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:06,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 00:49:10,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:49:10,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3914 [2020-09-25 00:49:10,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:10,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 00:49:10,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:10,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:10,668 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:10,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:10,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 00:49:10,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:10,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:10,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:10,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:10,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:10,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:10,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:10,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:10,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:10,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:10,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:49:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:10,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:10,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 00:49:10,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:10,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:49:10,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:10,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:49:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:49:10,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 00:49:10,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-25 00:49:10,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:10,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:49:10,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:10,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:10,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:49:10,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:49:10,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:49:10,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:10,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:10,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:10,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:49:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:10,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:10,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:10,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:10,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:10,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:10,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:10,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:10,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:10,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 00:49:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:11,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:11,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:11,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 00:49:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:11,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:11,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:11,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:11,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:11,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:11,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:11,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:11,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:11,054 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:49:11,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590664267] [2020-09-25 00:49:11,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:11,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 00:49:11,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945504052] [2020-09-25 00:49:11,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 00:49:11,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:11,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 00:49:11,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 00:49:11,057 INFO L87 Difference]: Start difference. First operand 388 states and 433 transitions. Second operand 6 states. [2020-09-25 00:49:12,033 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:49:13,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:13,522 INFO L93 Difference]: Finished difference Result 627 states and 718 transitions. [2020-09-25 00:49:13,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 00:49:13,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 216 [2020-09-25 00:49:13,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:13,527 INFO L225 Difference]: With dead ends: 627 [2020-09-25 00:49:13,528 INFO L226 Difference]: Without dead ends: 436 [2020-09-25 00:49:13,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 00:49:13,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2020-09-25 00:49:13,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 368. [2020-09-25 00:49:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-09-25 00:49:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 401 transitions. [2020-09-25 00:49:13,589 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 401 transitions. Word has length 216 [2020-09-25 00:49:13,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:13,590 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 401 transitions. [2020-09-25 00:49:13,590 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 00:49:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 401 transitions. [2020-09-25 00:49:13,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 00:49:13,595 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:13,595 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:13,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:49:13,596 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:13,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:13,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1775940511, now seen corresponding path program 1 times [2020-09-25 00:49:13,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:13,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557263673] [2020-09-25 00:49:13,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:13,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:14,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:14,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 00:49:14,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:14,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1314 [2020-09-25 00:49:14,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:14,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 00:49:14,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 00:49:14,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 00:49:14,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,293 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:49:15,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 00:49:15,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-09-25 00:49:15,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 00:49:15,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 00:49:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:15,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:15,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:15,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 00:49:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:15,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:15,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:15,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 00:49:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:15,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:49:15,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:49:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 00:49:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:49:15,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:15,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:49:15,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 00:49:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:15,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:15,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:15,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 00:49:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:15,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:49:15,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:49:15,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 00:49:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 00:49:15,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:49:15,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 00:49:15,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:49:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:15,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:15,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:15,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 00:49:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 00:49:15,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 00:49:15,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-25 00:49:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-09-25 00:49:15,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:49:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 00:49:15,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 00:49:15,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 00:49:15,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 00:49:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:49:15,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:15,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:49:15,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:49:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:49:15,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 00:49:15,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:49:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 00:49:15,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:49:15,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 00:49:15,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:15,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:15,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 00:49:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:15,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:15,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:15,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:15,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 00:49:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:49:15,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:15,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:49:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:15,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-09-25 00:49:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:15,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:49:15,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:15,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 00:49:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:15,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:15,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:49:15,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:49:15,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:49:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:49:15,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:49:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:49:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:49:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:49:15,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:49:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 00:49:16,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557263673] [2020-09-25 00:49:16,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:49:16,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:49:16,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025252085] [2020-09-25 00:49:16,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:49:16,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:49:16,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:49:16,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:49:16,036 INFO L87 Difference]: Start difference. First operand 368 states and 401 transitions. Second operand 8 states. [2020-09-25 00:49:16,769 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:17,411 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 00:49:20,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:49:20,498 INFO L93 Difference]: Finished difference Result 1122 states and 1379 transitions. [2020-09-25 00:49:20,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-25 00:49:20,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2020-09-25 00:49:20,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:49:20,504 INFO L225 Difference]: With dead ends: 1122 [2020-09-25 00:49:20,504 INFO L226 Difference]: Without dead ends: 869 [2020-09-25 00:49:20,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 48 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-09-25 00:49:20,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2020-09-25 00:49:20,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 652. [2020-09-25 00:49:20,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-09-25 00:49:20,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 728 transitions. [2020-09-25 00:49:20,594 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 728 transitions. Word has length 229 [2020-09-25 00:49:20,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:49:20,595 INFO L479 AbstractCegarLoop]: Abstraction has 652 states and 728 transitions. [2020-09-25 00:49:20,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:49:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 728 transitions. [2020-09-25 00:49:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-25 00:49:20,599 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:49:20,600 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:49:20,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 00:49:20,600 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:49:20,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:49:20,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1048196984, now seen corresponding path program 1 times [2020-09-25 00:49:20,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:49:20,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70384081] [2020-09-25 00:49:20,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:49:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:49:20,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:49:20,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking...