/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:33:37,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:33:37,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:33:37,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:33:37,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:33:37,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:33:37,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:33:37,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:33:37,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:33:37,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:33:37,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:33:37,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:33:37,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:33:37,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:33:37,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:33:37,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:33:37,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:33:37,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:33:37,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:33:37,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:33:37,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:33:37,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:33:37,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:33:37,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:33:37,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:33:37,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:33:37,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:33:37,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:33:37,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:33:37,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:33:37,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:33:37,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:33:37,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:33:37,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:33:37,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:33:37,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:33:37,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:33:37,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:33:37,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:33:37,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:33:37,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:33:37,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:33:37,241 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:33:37,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:33:37,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:33:37,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:33:37,243 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:33:37,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:33:37,244 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:33:37,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:33:37,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:33:37,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:33:37,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:33:37,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:33:37,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:33:37,245 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:33:37,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:33:37,246 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:33:37,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:33:37,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:33:37,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:33:37,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:33:37,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:33:37,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:33:37,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:33:37,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:33:37,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:33:37,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:33:37,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:33:37,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:33:37,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:33:37,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:33:38,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:33:38,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:33:38,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:33:38,441 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:33:38,442 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:33:38,443 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2020-09-25 08:33:38,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd8158139/2788b308150346908c26a45458c4041f/FLAGa94c133c9 [2020-09-25 08:33:39,143 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:33:39,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2020-09-25 08:33:39,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd8158139/2788b308150346908c26a45458c4041f/FLAGa94c133c9 [2020-09-25 08:33:39,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd8158139/2788b308150346908c26a45458c4041f [2020-09-25 08:33:39,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:33:39,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:33:39,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:33:39,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:33:39,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:33:39,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:33:39" (1/1) ... [2020-09-25 08:33:39,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:39, skipping insertion in model container [2020-09-25 08:33:39,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:33:39" (1/1) ... [2020-09-25 08:33:39,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:33:39,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:33:39,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:33:40,008 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:33:40,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:33:40,175 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:33:40,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40 WrapperNode [2020-09-25 08:33:40,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:33:40,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:33:40,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:33:40,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:33:40,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... [2020-09-25 08:33:40,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:33:40,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:33:40,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:33:40,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:33:40,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:33:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:33:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:33:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:33:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:33:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:33:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:33:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:33:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:33:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:33:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:33:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:33:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:33:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:33:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:33:40,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:33:40,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:33:40,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:33:40,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:33:40,405 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:33:40,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:33:40,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:33:40,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:33:40,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:33:40,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:33:40,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:33:40,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:33:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:33:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:33:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:33:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:33:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:33:40,408 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:33:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:33:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:33:40,409 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:33:40,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:33:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:33:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:33:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:33:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:33:40,410 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:33:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:33:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:33:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:33:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:33:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:33:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:33:40,411 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:33:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:33:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:33:40,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 08:33:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:33:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:33:40,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:33:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:33:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:33:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:33:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:33:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:33:40,414 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:33:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:33:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:33:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:33:40,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:33:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:33:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:33:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:33:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:33:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:33:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:33:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:33:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:33:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:33:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:33:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:33:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:33:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:33:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:33:40,420 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:33:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:33:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:33:40,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:33:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:33:40,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:33:41,619 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:33:41,619 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:33:41,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:33:41 BoogieIcfgContainer [2020-09-25 08:33:41,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:33:41,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:33:41,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:33:41,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:33:41,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:33:39" (1/3) ... [2020-09-25 08:33:41,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d56bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:33:41, skipping insertion in model container [2020-09-25 08:33:41,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:33:40" (2/3) ... [2020-09-25 08:33:41,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d56bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:33:41, skipping insertion in model container [2020-09-25 08:33:41,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:33:41" (3/3) ... [2020-09-25 08:33:41,636 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2020-09-25 08:33:41,649 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:33:41,660 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:33:41,683 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:33:41,713 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:33:41,713 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:33:41,713 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:33:41,714 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:33:41,714 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:33:41,714 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:33:41,714 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:33:41,714 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:33:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states. [2020-09-25 08:33:41,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:33:41,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:33:41,764 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:33:41,765 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:33:41,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:33:41,773 INFO L82 PathProgramCache]: Analyzing trace with hash 134395838, now seen corresponding path program 1 times [2020-09-25 08:33:41,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:33:41,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823474295] [2020-09-25 08:33:41,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:33:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:42,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:42,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:42,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:43,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:44,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:47,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:47,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:33:47,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:33:47,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 08:33:47,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:47,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:33:47,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 08:33:47,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-25 08:33:47,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 08:33:47,750 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:33:47,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:33:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:47,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:33:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-09-25 08:33:48,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:33:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 08:33:48,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 08:33:48,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:33:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:48,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 08:33:48,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:33:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:33:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:33:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:48,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:33:48,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:33:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:33:48,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:33:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:48,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:33:48,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:33:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:33:48,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:33:48,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:33:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:48,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:33:48,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:33:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:33:48,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:33:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:48,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:33:48,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:33:48,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:48,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:33:48,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:33:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:48,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:48,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:48,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:48,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:48,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:33:48,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:48,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:33:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:48,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:33:48,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823474295] [2020-09-25 08:33:48,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:33:48,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:33:48,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341132283] [2020-09-25 08:33:48,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:33:48,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:33:48,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:33:48,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:33:48,439 INFO L87 Difference]: Start difference. First operand 264 states. Second operand 4 states. [2020-09-25 08:33:49,239 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:33:50,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:33:50,571 INFO L93 Difference]: Finished difference Result 391 states and 471 transitions. [2020-09-25 08:33:50,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:33:50,575 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 08:33:50,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:33:50,601 INFO L225 Difference]: With dead ends: 391 [2020-09-25 08:33:50,602 INFO L226 Difference]: Without dead ends: 252 [2020-09-25 08:33:50,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:33:50,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-09-25 08:33:50,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 213. [2020-09-25 08:33:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-09-25 08:33:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 229 transitions. [2020-09-25 08:33:50,740 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 229 transitions. Word has length 142 [2020-09-25 08:33:50,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:33:50,742 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 229 transitions. [2020-09-25 08:33:50,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:33:50,742 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 229 transitions. [2020-09-25 08:33:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 08:33:50,747 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:33:50,747 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:33:50,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:33:50,748 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:33:50,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:33:50,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1084420285, now seen corresponding path program 1 times [2020-09-25 08:33:50,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:33:50,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628067505] [2020-09-25 08:33:50,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:33:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:50,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:51,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:51,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:52,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:54,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:55,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:55,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 08:33:55,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:33:55,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 08:33:55,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:55,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:33:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:33:55,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:33:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:56,196 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:33:56,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:33:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:56,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:56,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:56,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:33:56,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:56,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 08:33:56,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:56,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:56,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:56,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:33:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:56,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:56,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:56,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:56,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:56,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:56,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:56,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:56,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:56,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:56,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:56,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:56,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:33:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:56,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:56,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:56,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:56,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:56,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:56,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:56,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:56,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:56,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:56,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:33:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:56,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:56,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:56,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:56,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:56,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:33:56,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:56,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:56,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:56,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:33:56,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:33:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:56,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:56,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:56,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:56,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:56,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:56,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:56,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:56,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:56,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:56,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 08:33:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:56,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:56,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:56,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:33:56,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:56,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:56,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:56,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:56,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 08:33:56,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:56,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:33:56,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:33:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:56,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:56,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:56,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:33:56,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:33:56,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:56,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:33:56,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:56,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:56,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:33:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:56,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:56,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:56,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:56,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:56,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:33:56,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:56,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:56,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:56,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:33:56,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:56,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:33:56,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:33:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:56,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:56,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:33:56,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:33:56,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:33:56,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:33:56,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:33:56,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:33:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:33:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:33:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:33:56,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:33:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:33:56,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628067505] [2020-09-25 08:33:56,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:33:56,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:33:56,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836034541] [2020-09-25 08:33:56,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:33:56,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:33:56,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:33:56,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:33:56,436 INFO L87 Difference]: Start difference. First operand 213 states and 229 transitions. Second operand 5 states. [2020-09-25 08:33:57,117 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:33:57,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:33:57,836 INFO L93 Difference]: Finished difference Result 332 states and 380 transitions. [2020-09-25 08:33:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:33:57,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2020-09-25 08:33:57,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:33:57,841 INFO L225 Difference]: With dead ends: 332 [2020-09-25 08:33:57,841 INFO L226 Difference]: Without dead ends: 259 [2020-09-25 08:33:57,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:33:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-25 08:33:57,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 203. [2020-09-25 08:33:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-09-25 08:33:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 216 transitions. [2020-09-25 08:33:57,881 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 216 transitions. Word has length 151 [2020-09-25 08:33:57,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:33:57,881 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 216 transitions. [2020-09-25 08:33:57,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:33:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 216 transitions. [2020-09-25 08:33:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:33:57,885 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:33:57,885 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:33:57,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:33:57,885 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:33:57,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:33:57,886 INFO L82 PathProgramCache]: Analyzing trace with hash 575292395, now seen corresponding path program 1 times [2020-09-25 08:33:57,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:33:57,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259293638] [2020-09-25 08:33:57,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:33:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:33:57,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:58,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:33:59,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:02,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:02,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 08:34:02,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:34:02,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 08:34:02,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:02,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:02,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:34:02,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:34:02,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-25 08:34:02,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:03,280 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:34:03,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:34:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:03,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:03,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:03,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:34:03,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:03,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-09-25 08:34:03,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:03,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:34:03,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:34:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:03,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:03,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:03,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:03,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:03,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:34:03,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:03,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:03,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:34:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:03,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:34:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:03,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:03,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:03,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:03,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:34:03,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:03,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:03,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:34:03,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:03,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:34:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:03,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:03,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:03,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:03,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:03,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:34:03,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:03,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:03,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:03,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:03,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:34:03,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:34:03,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:34:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:03,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:03,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:03,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:03,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:03,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:34:03,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:03,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:34:03,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:03,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:34:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:03,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:03,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:03,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:34:03,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:03,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:34:03,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:03,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:03,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:03,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 08:34:03,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:34:03,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:34:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:03,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:03,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:03,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:03,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:03,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:34:03,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:03,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:03,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:03,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:34:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:03,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:03,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:03,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:03,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:03,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:34:03,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:03,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:03,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:34:03,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:03,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:34:03,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:03,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:34:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:03,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:03,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:03,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:03,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:03,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:34:03,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:03,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:34:03,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:03,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:03,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:34:03,747 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259293638] [2020-09-25 08:34:03,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:34:03,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:34:03,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755706189] [2020-09-25 08:34:03,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:34:03,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:34:03,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:34:03,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:34:03,752 INFO L87 Difference]: Start difference. First operand 203 states and 216 transitions. Second operand 9 states. [2020-09-25 08:34:04,247 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:05,419 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:06,023 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 08:34:06,419 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:06,738 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:34:07,456 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:07,764 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:34:08,067 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:08,556 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:34:08,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:34:08,964 INFO L93 Difference]: Finished difference Result 467 states and 557 transitions. [2020-09-25 08:34:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 08:34:08,966 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 08:34:08,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:34:08,970 INFO L225 Difference]: With dead ends: 467 [2020-09-25 08:34:08,971 INFO L226 Difference]: Without dead ends: 374 [2020-09-25 08:34:08,972 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 08:34:08,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-09-25 08:34:09,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 281. [2020-09-25 08:34:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-25 08:34:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-09-25 08:34:09,035 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 160 [2020-09-25 08:34:09,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:34:09,035 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-09-25 08:34:09,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:34:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-09-25 08:34:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 08:34:09,038 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:34:09,038 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:34:09,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:34:09,039 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:34:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:34:09,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1459319237, now seen corresponding path program 1 times [2020-09-25 08:34:09,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:34:09,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78688058] [2020-09-25 08:34:09,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:34:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:09,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:09,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:09,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 08:34:12,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:34:12,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2983 [2020-09-25 08:34:12,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:34:12,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 08:34:12,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 08:34:12,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:12,374 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:34:12,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:34:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:34:12,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:12,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-25 08:34:12,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:12,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:34:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:12,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:12,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:34:12,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:12,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:34:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:12,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:12,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:34:12,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:12,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:12,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:34:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:12,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:12,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:34:12,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:12,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:12,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:34:12,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:34:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:12,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:12,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:34:12,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:12,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:12,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:12,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:34:12,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:34:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:34:12,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:34:12,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:34:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:12,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:34:12,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 08:34:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:34:12,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:34:12,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 08:34:12,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:34:12,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:34:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:34:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:12,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:34:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:34:12,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:12,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:34:12,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:34:12,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:12,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 08:34:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:12,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:12,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:34:12,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:34:12,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:12,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:34:12,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:34:12,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 08:34:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:34:12,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:34:12,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:34:12,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:34:12,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:34:12,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:34:12,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:34:12,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:34:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:34:12,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:34:12,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:34:12,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:34:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:34:12,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [78688058] [2020-09-25 08:34:12,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:34:12,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:34:12,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770807225] [2020-09-25 08:34:12,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:34:12,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:34:12,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:34:12,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:34:12,786 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 10 states. [2020-09-25 08:34:13,364 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:34:14,733 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 08:34:15,309 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 191 [2020-09-25 08:34:15,641 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:15,987 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:34:16,287 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:16,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:34:16,477 INFO L93 Difference]: Finished difference Result 451 states and 516 transitions. [2020-09-25 08:34:16,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 08:34:16,478 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 08:34:16,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:34:16,480 INFO L225 Difference]: With dead ends: 451 [2020-09-25 08:34:16,480 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:34:16,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 08:34:16,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:34:16,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:34:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:34:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:34:16,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 08:34:16,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:34:16,484 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:34:16,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:34:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:34:16,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:34:16,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:34:16,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:34:16,728 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:16,903 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:17,075 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:17,240 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:17,406 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:17,838 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-25 08:34:17,990 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:18,149 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:18,308 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:18,703 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-25 08:34:19,098 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 197 [2020-09-25 08:34:19,253 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:19,660 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-25 08:34:20,073 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-25 08:34:20,476 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 190 [2020-09-25 08:34:20,882 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-09-25 08:34:21,169 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-25 08:34:21,454 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-25 08:34:21,735 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-25 08:34:22,006 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 188 [2020-09-25 08:34:22,154 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:22,310 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:22,461 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:22,615 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:22,772 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:22,911 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:34:23,069 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:23,218 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:23,374 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:23,529 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:23,684 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:23,837 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:23,985 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:24,137 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:24,290 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:24,671 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 197 [2020-09-25 08:34:24,822 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:24,974 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:25,128 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:25,276 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:25,429 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:25,583 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:25,735 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:25,886 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:26,040 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:26,194 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:34:26,358 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:26,511 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:26,663 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:26,816 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:26,970 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:34:27,201 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 08:34:27,606 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-25 08:34:27,840 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-25 08:34:28,098 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 08:34:28,473 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-25 08:34:28,801 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15