/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:58:02,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:58:02,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:58:02,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:58:02,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:58:02,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:58:02,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:58:02,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:58:02,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:58:02,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:58:02,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:58:02,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:58:02,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:58:02,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:58:02,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:58:02,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:58:02,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:58:02,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:58:02,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:58:02,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:58:02,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:58:02,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:58:02,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:58:02,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:58:02,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:58:02,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:58:02,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:58:02,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:58:02,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:58:02,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:58:02,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:58:02,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:58:02,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:58:02,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:58:02,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:58:02,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:58:02,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:58:02,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:58:02,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:58:02,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:58:02,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:58:02,250 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 10:58:02,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:58:02,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:58:02,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:58:02,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:58:02,292 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:58:02,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:58:02,293 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:58:02,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:58:02,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:58:02,293 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:58:02,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:58:02,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:58:02,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:58:02,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:58:02,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:58:02,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:58:02,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:58:02,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:58:02,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:58:02,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:58:02,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:58:02,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:58:02,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:58:02,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:58:02,298 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:58:02,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:58:02,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:58:02,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:58:02,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:58:02,300 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 10:58:02,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:58:02,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:58:02,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:58:02,794 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:58:02,795 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:58:02,796 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 10:58:02,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a605983b7/fe11527cd5e146239248faba0570c07d/FLAG54050b785 [2020-09-25 10:58:03,497 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:58:03,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 10:58:03,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a605983b7/fe11527cd5e146239248faba0570c07d/FLAG54050b785 [2020-09-25 10:58:03,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a605983b7/fe11527cd5e146239248faba0570c07d [2020-09-25 10:58:03,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:58:03,812 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:58:03,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:58:03,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:58:03,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:58:03,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:58:03" (1/1) ... [2020-09-25 10:58:03,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405883a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:03, skipping insertion in model container [2020-09-25 10:58:03,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:58:03" (1/1) ... [2020-09-25 10:58:03,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:58:03,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:58:04,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:58:04,334 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:58:04,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:58:04,521 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:58:04,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04 WrapperNode [2020-09-25 10:58:04,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:58:04,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:58:04,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:58:04,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:58:04,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04" (1/1) ... [2020-09-25 10:58:04,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04" (1/1) ... [2020-09-25 10:58:04,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04" (1/1) ... [2020-09-25 10:58:04,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04" (1/1) ... [2020-09-25 10:58:04,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04" (1/1) ... [2020-09-25 10:58:04,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04" (1/1) ... [2020-09-25 10:58:04,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04" (1/1) ... [2020-09-25 10:58:04,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:58:04,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:58:04,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:58:04,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:58:04,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04" (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 10:58:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:58:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:58:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:58:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:58:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:58:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:58:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:58:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:58:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:58:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:58:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:58:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:58:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:58:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:58:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:58:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:58:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:58:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:58:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:58:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 10:58:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:58:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:58:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:58:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:58:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:58:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:58:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:58:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:58:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 10:58:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:58:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:58:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:58:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:58:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:58:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:58:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 10:58:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:58:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:58:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:58:04,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:58:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:58:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:58:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:58:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:58:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:58:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:58:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:58:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:58:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:58:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:58:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:58:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:58:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:58:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:58:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:58:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:58:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:58:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:58:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:58:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:58:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 10:58:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:58:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:58:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:58:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:58:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:58:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:58:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:58:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:58:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:58:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:58:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:58:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:58:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:58:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:58:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:58:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:58:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 10:58:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:58:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:58:04,728 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:58:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 10:58:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:58:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:58:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:58:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:58:05,777 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:58:05,778 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:58:05,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:58:05 BoogieIcfgContainer [2020-09-25 10:58:05,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:58:05,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:58:05,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:58:05,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:58:05,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:58:03" (1/3) ... [2020-09-25 10:58:05,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0786f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:58:05, skipping insertion in model container [2020-09-25 10:58:05,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:04" (2/3) ... [2020-09-25 10:58:05,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b0786f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:58:05, skipping insertion in model container [2020-09-25 10:58:05,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:58:05" (3/3) ... [2020-09-25 10:58:05,797 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-09-25 10:58:05,805 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:58:05,815 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:58:05,836 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:58:05,863 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:58:05,863 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:58:05,863 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:58:05,863 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:58:05,863 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:58:05,864 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:58:05,864 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:58:05,864 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:58:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-25 10:58:05,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 10:58:05,914 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:05,915 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 10:58:05,916 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:05,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:05,924 INFO L82 PathProgramCache]: Analyzing trace with hash 915241318, now seen corresponding path program 1 times [2020-09-25 10:58:05,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:05,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603055924] [2020-09-25 10:58:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:06,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:06,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:07,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:08,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:11,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:11,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 10:58:11,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:58:11,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 10:58:11,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:11,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:58:11,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 10:58:11,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 10:58:11,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:58:11,767 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:11,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:58:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:11,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:12,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:12,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:58:12,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:12,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-09-25 10:58:12,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:12,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:12,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:12,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:12,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 10:58:12,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:58:12,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:58:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:12,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:12,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:12,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:12,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:12,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:58:12,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:12,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:12,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:58:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:12,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:12,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:12,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:12,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:12,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:12,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:12,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:12,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:12,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:12,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:12,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:58:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:12,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:12,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:12,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:12,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:12,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:58:12,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:12,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:12,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:12,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:12,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:12,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:58:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:12,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:12,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:12,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:12,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:12,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:58:12,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:12,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:12,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:12,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:12,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:58:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:12,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:12,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:12,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:12,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:12,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:58:12,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:12,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:58:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:12,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:12,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 10:58:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:12,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:12,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:12,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:12,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:12,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:58:12,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:12,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:12,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:12,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:12,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:12,484 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 10:58:12,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603055924] [2020-09-25 10:58:12,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:58:12,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 10:58:12,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452014170] [2020-09-25 10:58:12,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 10:58:12,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:58:12,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 10:58:12,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 10:58:12,520 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 8 states. [2020-09-25 10:58:13,179 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:58:14,612 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 10:58:15,140 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 10:58:15,540 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:58:15,970 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:16,300 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:16,593 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 10:58:16,898 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:58:18,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:58:18,514 INFO L93 Difference]: Finished difference Result 542 states and 671 transitions. [2020-09-25 10:58:18,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 10:58:18,517 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 10:58:18,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:58:18,537 INFO L225 Difference]: With dead ends: 542 [2020-09-25 10:58:18,537 INFO L226 Difference]: Without dead ends: 378 [2020-09-25 10:58:18,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 10:58:18,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-09-25 10:58:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 334. [2020-09-25 10:58:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-09-25 10:58:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 376 transitions. [2020-09-25 10:58:18,696 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 376 transitions. Word has length 142 [2020-09-25 10:58:18,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:58:18,697 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 376 transitions. [2020-09-25 10:58:18,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 10:58:18,697 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 376 transitions. [2020-09-25 10:58:18,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 10:58:18,703 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:18,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:58:18,704 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:58:18,704 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:18,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:18,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1434938903, now seen corresponding path program 1 times [2020-09-25 10:58:18,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:18,706 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659796925] [2020-09-25 10:58:18,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:18,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:18,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:19,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:23,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:23,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 10:58:23,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:58:23,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 10:58:23,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:23,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:23,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:58:23,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 10:58:23,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 10:58:23,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:24,086 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:58:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:24,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:24,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:24,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:58:24,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-09-25 10:58:24,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:24,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 10:58:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:24,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:58:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:24,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:24,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:24,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:24,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:24,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:24,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:24,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:24,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:24,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:24,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:24,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:24,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:58:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:24,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:24,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:24,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:24,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:24,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:24,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:24,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:24,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:58:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:24,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:24,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:24,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:24,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:24,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:58:24,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:24,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:58:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:24,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:24,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:24,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:24,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:24,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:24,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:24,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:24,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 10:58:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:24,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:24,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:24,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:58:24,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:24,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:58:24,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:24,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:58:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:24,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 10:58:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:24,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:24,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:24,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:24,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:24,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:24,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:24,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:24,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:24,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 10:58:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:24,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:24,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:24,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:24,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:24,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:24,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:24,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:24,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:24,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:24,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:24,488 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 10:58:24,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1659796925] [2020-09-25 10:58:24,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:58:24,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:58:24,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47012081] [2020-09-25 10:58:24,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:58:24,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:58:24,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:58:24,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:58:24,496 INFO L87 Difference]: Start difference. First operand 334 states and 376 transitions. Second operand 5 states. [2020-09-25 10:58:24,954 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:58:26,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:58:26,882 INFO L93 Difference]: Finished difference Result 861 states and 1050 transitions. [2020-09-25 10:58:26,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:58:26,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 10:58:26,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:58:26,891 INFO L225 Difference]: With dead ends: 861 [2020-09-25 10:58:26,891 INFO L226 Difference]: Without dead ends: 637 [2020-09-25 10:58:26,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 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 10:58:26,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2020-09-25 10:58:27,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 545. [2020-09-25 10:58:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-09-25 10:58:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 627 transitions. [2020-09-25 10:58:27,016 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 627 transitions. Word has length 148 [2020-09-25 10:58:27,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:58:27,017 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 627 transitions. [2020-09-25 10:58:27,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:58:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 627 transitions. [2020-09-25 10:58:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 10:58:27,021 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:27,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:58:27,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:58:27,022 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:27,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:27,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1933049782, now seen corresponding path program 1 times [2020-09-25 10:58:27,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:27,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997092910] [2020-09-25 10:58:27,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:27,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:27,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:27,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 10:58:32,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:58:32,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 10:58:32,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:58:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:58:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 10:58:32,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:32,475 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:32,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:58:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:58:32,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-25 10:58:32,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:32,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:32,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:58:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:32,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:58:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:32,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:32,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:32,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:32,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:58:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:32,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:32,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:32,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:32,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:32,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:58:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:32,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:58:32,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:32,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:32,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:32,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:58:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:32,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:32,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:32,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:32,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:32,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 10:58:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:58:32,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:32,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 10:58:32,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:32,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 10:58:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:58:32,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:32,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 10:58:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:32,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:32,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:58:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:32,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:32,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:32,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:32,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 10:58:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:32,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:32,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:32,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:32,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:32,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:32,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 10:58:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:32,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:32,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:32,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:32,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:32,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:32,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:32,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:32,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:32,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:32,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:32,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:33,005 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 10:58:33,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997092910] [2020-09-25 10:58:33,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:58:33,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 10:58:33,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460155503] [2020-09-25 10:58:33,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 10:58:33,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:58:33,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 10:58:33,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 10:58:33,009 INFO L87 Difference]: Start difference. First operand 545 states and 627 transitions. Second operand 6 states. [2020-09-25 10:58:33,587 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:34,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:58:34,319 INFO L93 Difference]: Finished difference Result 877 states and 1056 transitions. [2020-09-25 10:58:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 10:58:34,320 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 10:58:34,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:58:34,323 INFO L225 Difference]: With dead ends: 877 [2020-09-25 10:58:34,323 INFO L226 Difference]: Without dead ends: 421 [2020-09-25 10:58:34,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:58:34,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-09-25 10:58:34,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 391. [2020-09-25 10:58:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-09-25 10:58:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 424 transitions. [2020-09-25 10:58:34,386 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 424 transitions. Word has length 156 [2020-09-25 10:58:34,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:58:34,387 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 424 transitions. [2020-09-25 10:58:34,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 10:58:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 424 transitions. [2020-09-25 10:58:34,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 10:58:34,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:34,390 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 10:58:34,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:58:34,390 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:34,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:34,391 INFO L82 PathProgramCache]: Analyzing trace with hash 668526196, now seen corresponding path program 1 times [2020-09-25 10:58:34,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:34,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52766857] [2020-09-25 10:58:34,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:34,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:35,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:35,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:36,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:39,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:39,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 10:58:39,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:58:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 10:58:39,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:39,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:58:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:58:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 10:58:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:39,805 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:39,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:58:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:39,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:58:40,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:40,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-25 10:58:40,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:40,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:58:40,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:40,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:58:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:40,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:40,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:40,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:40,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:58:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:40,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:40,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:40,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:40,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:58:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:40,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:40,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:40,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:58:40,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:40,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:40,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:58:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:40,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:40,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:40,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:40,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 10:58:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:40,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:58:40,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:40,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:58:40,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:58:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 10:58:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:40,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:58:40,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:58:40,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 10:58:40,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:58:40,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:58:40,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 10:58:40,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:40,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:58:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:40,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:40,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:40,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:40,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:40,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:40,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:40,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 10:58:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:40,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:40,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:40,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:58:40,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:40,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:40,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:40,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:40,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 10:58:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:40,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:40,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:40,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:40,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:40,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:58:40,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:40,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:40,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:58:40,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:40,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:40,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:40,413 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 10:58:40,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52766857] [2020-09-25 10:58:40,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:58:40,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 10:58:40,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493117125] [2020-09-25 10:58:40,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 10:58:40,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:58:40,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 10:58:40,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:58:40,418 INFO L87 Difference]: Start difference. First operand 391 states and 424 transitions. Second operand 10 states. [2020-09-25 10:58:40,946 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:42,064 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:42,396 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:58:42,736 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:43,063 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 10:58:43,361 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 10:58:43,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:58:43,564 INFO L93 Difference]: Finished difference Result 421 states and 462 transitions. [2020-09-25 10:58:43,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 10:58:43,564 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 10:58:43,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:58:43,565 INFO L225 Difference]: With dead ends: 421 [2020-09-25 10:58:43,566 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:58:43,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 10:58:43,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:58:43,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:58:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:58:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:58:43,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 10:58:43,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:58:43,568 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:58:43,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 10:58:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:58:43,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:58:43,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 10:58:43,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:58:43,771 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:43,953 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:44,130 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:44,310 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:44,496 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:44,670 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:44,828 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:44,982 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:45,133 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:45,298 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:45,461 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:45,621 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:45,774 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:45,936 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:46,122 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:46,282 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:46,435 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:46,593 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:46,746 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:46,899 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:47,060 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:47,209 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:47,357 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:47,510 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:47,658 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:47,815 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:47,968 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:48,093 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 7 [2020-09-25 10:58:48,213 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 7 [2020-09-25 10:58:48,382 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:48,545 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:48,697 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:48,855 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:49,018 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:49,171 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:49,329 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:49,482 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:49,636 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:49,793 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:49,944 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:50,100 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:50,253 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:50,402 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:50,559 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:50,712 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:50,864 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:51,021 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:51,168 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:51,322 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:51,488 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:51,646 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:51,795 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:51,953 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:52,101 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:52,254 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 10:58:52,412 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190