/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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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_spec2_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:08:17,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:08:17,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:08:17,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:08:17,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:08:18,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:08:18,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:08:18,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:08:18,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:08:18,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:08:18,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:08:18,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:08:18,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:08:18,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:08:18,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:08:18,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:08:18,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:08:18,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:08:18,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:08:18,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:08:18,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:08:18,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:08:18,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:08:18,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:08:18,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:08:18,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:08:18,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:08:18,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:08:18,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:08:18,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:08:18,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:08:18,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:08:18,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:08:18,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:08:18,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:08:18,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:08:18,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:08:18,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:08:18,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:08:18,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:08:18,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:08:18,057 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 [2020-09-21 12:08:18,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:08:18,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:08:18,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:08:18,084 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:08:18,084 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:08:18,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:08:18,084 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:08:18,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:08:18,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:08:18,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:08:18,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:08:18,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:08:18,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:08:18,086 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:08:18,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:08:18,086 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:08:18,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:08:18,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:08:18,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:08:18,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:08:18,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:08:18,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:18,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:08:18,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:08:18,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:08:18,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:08:18,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:08:18,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:08:18,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:08:18,089 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.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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:08:18,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:08:18,598 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:08:18,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:08:18,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:08:18,604 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:08:18,606 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-09-21 12:08:18,682 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24a30438b/cd00f90cb91e4cedb8463abdfa1d1b07/FLAG4b024e163 [2020-09-21 12:08:19,345 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:08:19,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product06.cil.c [2020-09-21 12:08:19,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24a30438b/cd00f90cb91e4cedb8463abdfa1d1b07/FLAG4b024e163 [2020-09-21 12:08:19,598 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24a30438b/cd00f90cb91e4cedb8463abdfa1d1b07 [2020-09-21 12:08:19,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:08:19,616 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:08:19,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:19,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:08:19,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:08:19,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:19" (1/1) ... [2020-09-21 12:08:19,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12b7bdc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:19, skipping insertion in model container [2020-09-21 12:08:19,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:19" (1/1) ... [2020-09-21 12:08:19,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:08:19,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:08:20,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:20,163 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:08:20,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:20,335 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:08:20,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20 WrapperNode [2020-09-21 12:08:20,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:20,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:08:20,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:08:20,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:08:20,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20" (1/1) ... [2020-09-21 12:08:20,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20" (1/1) ... [2020-09-21 12:08:20,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20" (1/1) ... [2020-09-21 12:08:20,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20" (1/1) ... [2020-09-21 12:08:20,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20" (1/1) ... [2020-09-21 12:08:20,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20" (1/1) ... [2020-09-21 12:08:20,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20" (1/1) ... [2020-09-21 12:08:20,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:08:20,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:08:20,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:08:20,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:08:20,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20" (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 [2020-09-21 12:08:20,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:08:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:08:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:08:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:08:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:08:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:08:20,543 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:08:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:08:20,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:08:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:08:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:08:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:08:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:08:20,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:08:20,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:08:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:08:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:08:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:08:20,547 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:08:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:08:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:08:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:08:20,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:20,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:08:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:08:20,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:08:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:08:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:08:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:08:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:08:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:08:20,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:08:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:08:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:08:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:08:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:08:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:08:20,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:08:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:08:20,553 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:08:20,554 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:08:20,554 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:08:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:08:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:08:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:08:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:08:20,555 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:08:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:08:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:08:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:08:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:08:20,556 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:08:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:08:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:08:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:08:20,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:08:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:08:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:08:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:08:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:08:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:08:20,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:08:20,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:08:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:08:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:08:20,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:20,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:08:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:08:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:08:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:08:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:08:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:08:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:08:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:08:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:08:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:08:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:08:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:21,642 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:21,643 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:21,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:21 BoogieIcfgContainer [2020-09-21 12:08:21,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:21,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:21,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:21,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:21,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:08:19" (1/3) ... [2020-09-21 12:08:21,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c1829a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:21, skipping insertion in model container [2020-09-21 12:08:21,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:20" (2/3) ... [2020-09-21 12:08:21,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c1829a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:21, skipping insertion in model container [2020-09-21 12:08:21,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:21" (3/3) ... [2020-09-21 12:08:21,659 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2020-09-21 12:08:21,671 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:21,681 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:21,704 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:21,736 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:21,737 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:21,737 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:21,737 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:21,737 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:21,737 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:21,738 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:21,738 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-09-21 12:08:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:21,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:21,795 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] [2020-09-21 12:08:21,796 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:21,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:21,805 INFO L82 PathProgramCache]: Analyzing trace with hash -790254398, now seen corresponding path program 1 times [2020-09-21 12:08:21,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:21,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815260240] [2020-09-21 12:08:21,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:22,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:22,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:23,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:23,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:23,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1026 [2020-09-21 12:08:23,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:23,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:23,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:23,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:23,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:08:23,695 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:23,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:23,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:23,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:23,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-21 12:08:23,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:23,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:23,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-21 12:08:23,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:23,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:23,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:23,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:23,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:23,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:23,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:23,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:23,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:23,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:23,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:23,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:23,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:23,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:23,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:23,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:23,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:23,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:23,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:23,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:23,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:23,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:23,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:23,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:23,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:23,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:23,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:23,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:23,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:23,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:23,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:23,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:23,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:23,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:23,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:23,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:23,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:23,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:23,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:23,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:23,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:23,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:23,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:23,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:23,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:23,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:23,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:23,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:23,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:23,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:23,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:23,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815260240] [2020-09-21 12:08:23,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:23,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:23,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311128049] [2020-09-21 12:08:23,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:23,947 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:23,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:23,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:23,970 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 4 states. [2020-09-21 12:08:25,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:25,028 INFO L93 Difference]: Finished difference Result 246 states and 326 transitions. [2020-09-21 12:08:25,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:25,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:25,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:25,048 INFO L225 Difference]: With dead ends: 246 [2020-09-21 12:08:25,048 INFO L226 Difference]: Without dead ends: 139 [2020-09-21 12:08:25,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:25,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-21 12:08:25,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-09-21 12:08:25,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-21 12:08:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-09-21 12:08:25,149 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51 [2020-09-21 12:08:25,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:25,150 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-09-21 12:08:25,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-09-21 12:08:25,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:25,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:25,159 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] [2020-09-21 12:08:25,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:25,159 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:25,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:25,160 INFO L82 PathProgramCache]: Analyzing trace with hash 449036907, now seen corresponding path program 1 times [2020-09-21 12:08:25,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:25,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1736986504] [2020-09-21 12:08:25,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:25,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:26,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:26,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1043 [2020-09-21 12:08:26,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:26,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:26,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:26,553 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:26,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-21 12:08:26,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:26,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:26,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:26,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:26,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:26,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:26,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:26,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:26,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:26,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:26,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:26,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:26,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:26,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:26,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:26,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:26,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:26,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:26,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:26,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:26,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1736986504] [2020-09-21 12:08:26,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:26,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:26,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551266392] [2020-09-21 12:08:26,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:26,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:26,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:26,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:26,712 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 5 states. [2020-09-21 12:08:27,244 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:27,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:27,906 INFO L93 Difference]: Finished difference Result 187 states and 233 transitions. [2020-09-21 12:08:27,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:27,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:27,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:27,909 INFO L225 Difference]: With dead ends: 187 [2020-09-21 12:08:27,910 INFO L226 Difference]: Without dead ends: 129 [2020-09-21 12:08:27,911 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:27,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-09-21 12:08:27,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-09-21 12:08:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 12:08:27,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-09-21 12:08:27,944 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52 [2020-09-21 12:08:27,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:27,944 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-09-21 12:08:27,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-09-21 12:08:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 12:08:27,947 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:27,947 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] [2020-09-21 12:08:27,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:27,948 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:27,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:27,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1483063984, now seen corresponding path program 1 times [2020-09-21 12:08:27,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:27,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785301166] [2020-09-21 12:08:27,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:28,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:28,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 12:08:29,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:29,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-09-21 12:08:29,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:08:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:29,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 12:08:29,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,323 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:29,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-21 12:08:29,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:29,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:29,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:29,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:29,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:29,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:29,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:29,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:29,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:29,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:29,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:29,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:29,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:29,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:29,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:29,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:29,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:29,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:29,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:29,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:29,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 12:08:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:29,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:29,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:29,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:29,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:29,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:29,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:29,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785301166] [2020-09-21 12:08:29,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:29,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:29,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014209266] [2020-09-21 12:08:29,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:29,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:29,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:29,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:29,607 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 5 states. [2020-09-21 12:08:29,972 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:30,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:30,728 INFO L93 Difference]: Finished difference Result 200 states and 252 transitions. [2020-09-21 12:08:30,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:08:30,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-09-21 12:08:30,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:30,732 INFO L225 Difference]: With dead ends: 200 [2020-09-21 12:08:30,732 INFO L226 Difference]: Without dead ends: 129 [2020-09-21 12:08:30,734 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-09-21 12:08:30,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2020-09-21 12:08:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 12:08:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-09-21 12:08:30,767 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 57 [2020-09-21 12:08:30,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:30,772 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-09-21 12:08:30,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-09-21 12:08:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 12:08:30,779 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:30,779 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] [2020-09-21 12:08:30,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:30,780 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:30,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:30,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1934591269, now seen corresponding path program 1 times [2020-09-21 12:08:30,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:30,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882138907] [2020-09-21 12:08:30,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:30,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:31,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:31,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:31,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 12:08:31,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:31,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-21 12:08:31,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 12:08:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 12:08:31,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 12:08:31,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,208 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:32,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 12:08:32,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:08:32,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:32,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:32,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:08:32,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:32,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 12:08:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:08:32,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:08:32,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:32,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:32,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:08:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:32,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:32,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:32,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:32,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 12:08:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:32,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:32,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:32,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 12:08:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:32,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:32,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:32,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:32,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:32,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:08:32,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:32,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:08:32,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:32,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:32,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:32,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882138907] [2020-09-21 12:08:32,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:32,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:08:32,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485095251] [2020-09-21 12:08:32,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:08:32,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:32,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:08:32,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:08:32,475 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 9 states. [2020-09-21 12:08:33,042 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:34,321 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-21 12:08:34,721 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:35,058 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 12:08:35,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:35,244 INFO L93 Difference]: Finished difference Result 174 states and 218 transitions. [2020-09-21 12:08:35,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 12:08:35,245 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-09-21 12:08:35,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:35,246 INFO L225 Difference]: With dead ends: 174 [2020-09-21 12:08:35,246 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:08:35,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-09-21 12:08:35,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:08:35,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:08:35,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:08:35,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:08:35,249 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-09-21 12:08:35,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:35,249 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:08:35,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:08:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:08:35,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:08:35,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:08:35,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:08:35,448 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:35,620 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:35,991 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:36,353 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:36,709 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:36,955 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 12:08:37,118 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:37,277 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:37,436 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:37,603 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:37,760 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:37,920 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:38,078 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:38,226 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:38,392 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:38,546 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:38,699 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:38,864 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:39,017 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:39,171 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:39,325 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:39,480 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:39,637 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:39,798 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:08:40,038 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 12:08:40,198 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:40,355 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:40,509 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:40,869 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:41,205 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:41,541 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 191 [2020-09-21 12:08:41,698 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 12 [2020-09-21 12:08:41,857 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:42,013 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:42,168 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:42,322 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:42,476 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:42,631 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:42,786 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:42,939 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:43,174 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 12 [2020-09-21 12:08:43,335 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:43,496 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:43,652 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:08:43,835 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 12:08:44,038 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:44,246 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:08:44,528 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:44,786 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:45,000 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-21 12:08:45,273 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:45,487 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:08:45,724 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:08:46,003 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:08:46,234 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:46,470 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 18 [2020-09-21 12:08:46,678 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:46,899 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:08:47,129 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:47,335 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:08:47,553 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:47,789 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-21 12:08:47,985 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 12:08:48,284 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:08:48,493 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 12 [2020-09-21 12:08:48,499 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-09-21 12:08:48,499 INFO L268 CegarLoopResult]: For program point L503-1(lines 503 507) no Hoare annotation was computed. [2020-09-21 12:08:48,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 472 527) no Hoare annotation was computed. [2020-09-21 12:08:48,500 INFO L268 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-09-21 12:08:48,500 INFO L268 CegarLoopResult]: For program point L497-2(lines 497 518) no Hoare annotation was computed. [2020-09-21 12:08:48,500 INFO L268 CegarLoopResult]: For program point L519(lines 496 520) no Hoare annotation was computed. [2020-09-21 12:08:48,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 472 527) no Hoare annotation was computed. [2020-09-21 12:08:48,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 472 527) no Hoare annotation was computed. [2020-09-21 12:08:48,500 INFO L268 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-09-21 12:08:48,501 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-09-21 12:08:48,501 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 528 587) no Hoare annotation was computed. [2020-09-21 12:08:48,501 INFO L268 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-09-21 12:08:48,501 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 564) no Hoare annotation was computed. [2020-09-21 12:08:48,501 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 528 587) no Hoare annotation was computed. [2020-09-21 12:08:48,501 INFO L268 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-09-21 12:08:48,501 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 528 587) no Hoare annotation was computed. [2020-09-21 12:08:48,501 INFO L268 CegarLoopResult]: For program point L554-2(lines 554 579) no Hoare annotation was computed. [2020-09-21 12:08:48,501 INFO L268 CegarLoopResult]: For program point L580(lines 553 581) no Hoare annotation was computed. [2020-09-21 12:08:48,502 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-09-21 12:08:48,502 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-09-21 12:08:48,502 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:08:48,502 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-09-21 12:08:48,502 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-09-21 12:08:48,502 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 868 890) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,502 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 868 890) no Hoare annotation was computed. [2020-09-21 12:08:48,503 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,503 INFO L264 CegarLoopResult]: At program point L880-1(line 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,503 INFO L268 CegarLoopResult]: For program point L878(lines 878 885) no Hoare annotation was computed. [2020-09-21 12:08:48,503 INFO L268 CegarLoopResult]: For program point L878-1(lines 878 885) no Hoare annotation was computed. [2020-09-21 12:08:48,503 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 868 890) no Hoare annotation was computed. [2020-09-21 12:08:48,503 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-09-21 12:08:48,504 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,504 INFO L264 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,504 INFO L264 CegarLoopResult]: At program point L874-1(line 874) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,504 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-09-21 12:08:48,504 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-09-21 12:08:48,505 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 826 849) no Hoare annotation was computed. [2020-09-21 12:08:48,505 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-09-21 12:08:48,505 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 826 849) no Hoare annotation was computed. [2020-09-21 12:08:48,505 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 826 849) no Hoare annotation was computed. [2020-09-21 12:08:48,505 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-09-21 12:08:48,505 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-09-21 12:08:48,505 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-09-21 12:08:48,505 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-09-21 12:08:48,506 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-09-21 12:08:48,506 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-09-21 12:08:48,506 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-09-21 12:08:48,506 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-09-21 12:08:48,506 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-09-21 12:08:48,506 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-09-21 12:08:48,506 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-09-21 12:08:48,506 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 245 253) no Hoare annotation was computed. [2020-09-21 12:08:48,507 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 245 253) the Hoare annotation is: true [2020-09-21 12:08:48,507 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 245 253) no Hoare annotation was computed. [2020-09-21 12:08:48,507 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-21 12:08:48,507 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-09-21 12:08:48,507 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-09-21 12:08:48,507 INFO L268 CegarLoopResult]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2020-09-21 12:08:48,507 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 254 289) no Hoare annotation was computed. [2020-09-21 12:08:48,507 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 254 289) no Hoare annotation was computed. [2020-09-21 12:08:48,507 INFO L268 CegarLoopResult]: For program point L261(lines 261 269) no Hoare annotation was computed. [2020-09-21 12:08:48,508 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 269) no Hoare annotation was computed. [2020-09-21 12:08:48,508 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 254 289) no Hoare annotation was computed. [2020-09-21 12:08:48,508 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-09-21 12:08:48,508 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-09-21 12:08:48,508 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 426 471) no Hoare annotation was computed. [2020-09-21 12:08:48,508 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 426 471) no Hoare annotation was computed. [2020-09-21 12:08:48,508 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 426 471) no Hoare annotation was computed. [2020-09-21 12:08:48,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 739 784) no Hoare annotation was computed. [2020-09-21 12:08:48,509 INFO L268 CegarLoopResult]: For program point L759(lines 759 766) no Hoare annotation was computed. [2020-09-21 12:08:48,509 INFO L268 CegarLoopResult]: For program point L753(lines 753 773) no Hoare annotation was computed. [2020-09-21 12:08:48,509 INFO L268 CegarLoopResult]: For program point L753-1(lines 753 773) no Hoare annotation was computed. [2020-09-21 12:08:48,509 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 739 784) no Hoare annotation was computed. [2020-09-21 12:08:48,509 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 739 784) no Hoare annotation was computed. [2020-09-21 12:08:48,509 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 857 867) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,510 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-09-21 12:08:48,510 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 857 867) no Hoare annotation was computed. [2020-09-21 12:08:48,510 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 857 867) no Hoare annotation was computed. [2020-09-21 12:08:48,510 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 234 244) the Hoare annotation is: true [2020-09-21 12:08:48,510 INFO L271 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: true [2020-09-21 12:08:48,510 INFO L268 CegarLoopResult]: For program point L239-1(line 239) no Hoare annotation was computed. [2020-09-21 12:08:48,510 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 234 244) no Hoare annotation was computed. [2020-09-21 12:08:48,511 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 234 244) no Hoare annotation was computed. [2020-09-21 12:08:48,511 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 226 233) the Hoare annotation is: true [2020-09-21 12:08:48,511 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 226 233) no Hoare annotation was computed. [2020-09-21 12:08:48,511 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 226 233) no Hoare annotation was computed. [2020-09-21 12:08:48,511 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 193 217) no Hoare annotation was computed. [2020-09-21 12:08:48,511 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,511 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 193 217) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,512 INFO L268 CegarLoopResult]: For program point L212-1(lines 193 217) no Hoare annotation was computed. [2020-09-21 12:08:48,512 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,512 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,512 INFO L268 CegarLoopResult]: For program point L201(lines 201 209) no Hoare annotation was computed. [2020-09-21 12:08:48,512 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,512 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-09-21 12:08:48,512 INFO L268 CegarLoopResult]: For program point L197(lines 197 214) no Hoare annotation was computed. [2020-09-21 12:08:48,512 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 185 191) no Hoare annotation was computed. [2020-09-21 12:08:48,513 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 185 191) the Hoare annotation is: true [2020-09-21 12:08:48,513 INFO L264 CegarLoopResult]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,513 INFO L268 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-09-21 12:08:48,513 INFO L268 CegarLoopResult]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2020-09-21 12:08:48,513 INFO L264 CegarLoopResult]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,513 INFO L268 CegarLoopResult]: For program point L131(lines 131 135) no Hoare annotation was computed. [2020-09-21 12:08:48,514 INFO L264 CegarLoopResult]: At program point L131-2(lines 123 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,514 INFO L268 CegarLoopResult]: For program point L94(lines 93 140) no Hoare annotation was computed. [2020-09-21 12:08:48,514 INFO L264 CegarLoopResult]: At program point L125(line 125) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,514 INFO L268 CegarLoopResult]: For program point L123(lines 123 136) no Hoare annotation was computed. [2020-09-21 12:08:48,514 INFO L264 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,514 INFO L268 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-09-21 12:08:48,514 INFO L268 CegarLoopResult]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2020-09-21 12:08:48,515 INFO L264 CegarLoopResult]: At program point L138(lines 93 140) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,515 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,515 INFO L268 CegarLoopResult]: For program point L103(lines 103 109) no Hoare annotation was computed. [2020-09-21 12:08:48,515 INFO L268 CegarLoopResult]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2020-09-21 12:08:48,515 INFO L268 CegarLoopResult]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2020-09-21 12:08:48,515 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 693 738) no Hoare annotation was computed. [2020-09-21 12:08:48,515 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 693 738) no Hoare annotation was computed. [2020-09-21 12:08:48,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 693 738) no Hoare annotation was computed. [2020-09-21 12:08:48,516 INFO L268 CegarLoopResult]: For program point L713(lines 713 720) no Hoare annotation was computed. [2020-09-21 12:08:48,516 INFO L268 CegarLoopResult]: For program point L707(lines 707 727) no Hoare annotation was computed. [2020-09-21 12:08:48,516 INFO L268 CegarLoopResult]: For program point L707-1(lines 707 727) no Hoare annotation was computed. [2020-09-21 12:08:48,516 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:08:48,516 INFO L268 CegarLoopResult]: For program point L403(lines 403 409) no Hoare annotation was computed. [2020-09-21 12:08:48,516 INFO L268 CegarLoopResult]: For program point L402(lines 402 412) no Hoare annotation was computed. [2020-09-21 12:08:48,517 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 390 418) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:48,517 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:48,517 INFO L268 CegarLoopResult]: For program point L400-1(line 400) no Hoare annotation was computed. [2020-09-21 12:08:48,517 INFO L268 CegarLoopResult]: For program point L398(lines 398 415) no Hoare annotation was computed. [2020-09-21 12:08:48,517 INFO L268 CegarLoopResult]: For program point L398-1(lines 390 418) no Hoare annotation was computed. [2020-09-21 12:08:48,517 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:48,517 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-09-21 12:08:48,517 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 390 418) no Hoare annotation was computed. [2020-09-21 12:08:48,518 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 363) no Hoare annotation was computed. [2020-09-21 12:08:48,518 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 347 369) no Hoare annotation was computed. [2020-09-21 12:08:48,518 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 347 369) no Hoare annotation was computed. [2020-09-21 12:08:48,518 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 347 369) no Hoare annotation was computed. [2020-09-21 12:08:48,518 INFO L268 CegarLoopResult]: For program point L355(lines 355 363) no Hoare annotation was computed. [2020-09-21 12:08:48,518 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 382 389) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:08:48,518 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 382 389) no Hoare annotation was computed. [2020-09-21 12:08:48,518 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 382 389) no Hoare annotation was computed. [2020-09-21 12:08:48,519 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:08:48,519 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:08:48,519 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-09-21 12:08:48,519 INFO L268 CegarLoopResult]: For program point L640(lines 639 659) no Hoare annotation was computed. [2020-09-21 12:08:48,519 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-09-21 12:08:48,519 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 590 692) no Hoare annotation was computed. [2020-09-21 12:08:48,519 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-09-21 12:08:48,519 INFO L268 CegarLoopResult]: For program point L636(lines 636 677) no Hoare annotation was computed. [2020-09-21 12:08:48,520 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-09-21 12:08:48,520 INFO L268 CegarLoopResult]: For program point L655-1(line 655) no Hoare annotation was computed. [2020-09-21 12:08:48,520 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-09-21 12:08:48,520 INFO L268 CegarLoopResult]: For program point L678(lines 678 689) no Hoare annotation was computed. [2020-09-21 12:08:48,520 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 590 692) no Hoare annotation was computed. [2020-09-21 12:08:48,520 INFO L268 CegarLoopResult]: For program point L641(lines 641 645) no Hoare annotation was computed. [2020-09-21 12:08:48,520 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 659) no Hoare annotation was computed. [2020-09-21 12:08:48,520 INFO L268 CegarLoopResult]: For program point L660(lines 638 661) no Hoare annotation was computed. [2020-09-21 12:08:48,520 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 590 692) no Hoare annotation was computed. [2020-09-21 12:08:48,521 INFO L268 CegarLoopResult]: For program point L619(lines 619 635) no Hoare annotation was computed. [2020-09-21 12:08:48,521 INFO L268 CegarLoopResult]: For program point L679(lines 679 686) no Hoare annotation was computed. [2020-09-21 12:08:48,521 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:48,521 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:08:48,521 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:48,522 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 218 225) no Hoare annotation was computed. [2020-09-21 12:08:48,522 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 218 225) no Hoare annotation was computed. [2020-09-21 12:08:48,522 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 218 225) no Hoare annotation was computed. [2020-09-21 12:08:48,522 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 370 378) no Hoare annotation was computed. [2020-09-21 12:08:48,522 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 370 378) no Hoare annotation was computed. [2020-09-21 12:08:48,522 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 370 378) no Hoare annotation was computed. [2020-09-21 12:08:48,522 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 326 337) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:08:48,522 INFO L268 CegarLoopResult]: For program point L330-1(lines 326 337) no Hoare annotation was computed. [2020-09-21 12:08:48,523 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 326 337) no Hoare annotation was computed. [2020-09-21 12:08:48,523 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:48,523 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:08:48,523 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:48,523 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 161 184) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,523 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,523 INFO L264 CegarLoopResult]: At program point L172(lines 172 178) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,524 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 161 184) no Hoare annotation was computed. [2020-09-21 12:08:48,524 INFO L264 CegarLoopResult]: At program point L167(line 167) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:08:48,524 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 161 184) no Hoare annotation was computed. [2020-09-21 12:08:48,524 INFO L268 CegarLoopResult]: For program point L165(lines 164 183) no Hoare annotation was computed. [2020-09-21 12:08:48,524 INFO L268 CegarLoopResult]: For program point L802-1(line 802) no Hoare annotation was computed. [2020-09-21 12:08:48,524 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 796 825) no Hoare annotation was computed. [2020-09-21 12:08:48,524 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 796 825) the Hoare annotation is: true [2020-09-21 12:08:48,524 INFO L271 CegarLoopResult]: At program point L821(lines 796 825) the Hoare annotation is: true [2020-09-21 12:08:48,525 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-09-21 12:08:48,525 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-09-21 12:08:48,525 INFO L271 CegarLoopResult]: At program point L810-1(lines 810 814) the Hoare annotation is: true [2020-09-21 12:08:48,525 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-09-21 12:08:48,525 INFO L271 CegarLoopResult]: At program point L806-2(lines 806 820) the Hoare annotation is: true [2020-09-21 12:08:48,525 INFO L271 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: true [2020-09-21 12:08:48,525 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 338 346) the Hoare annotation is: true [2020-09-21 12:08:48,525 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 338 346) no Hoare annotation was computed. [2020-09-21 12:08:48,525 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 338 346) no Hoare annotation was computed. [2020-09-21 12:08:48,526 INFO L268 CegarLoopResult]: For program point L306-1(lines 302 313) no Hoare annotation was computed. [2020-09-21 12:08:48,526 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 302 313) the Hoare annotation is: true [2020-09-21 12:08:48,526 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 302 313) no Hoare annotation was computed. [2020-09-21 12:08:48,526 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 850 856) no Hoare annotation was computed. [2020-09-21 12:08:48,526 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 850 856) the Hoare annotation is: true [2020-09-21 12:08:48,526 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:08:48,526 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:08:48,526 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:08:48,527 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:08:48,527 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2020-09-21 12:08:48,527 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 12:08:48,527 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2020-09-21 12:08:48,527 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 314 325) no Hoare annotation was computed. [2020-09-21 12:08:48,527 INFO L268 CegarLoopResult]: For program point L318-1(lines 314 325) no Hoare annotation was computed. [2020-09-21 12:08:48,527 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 314 325) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 12:08:48,528 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 786 793) no Hoare annotation was computed. [2020-09-21 12:08:48,528 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 790) no Hoare annotation was computed. [2020-09-21 12:08:48,528 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 786 793) the Hoare annotation is: true [2020-09-21 12:08:48,528 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 786 793) no Hoare annotation was computed. [2020-09-21 12:08:48,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:08:48 BoogieIcfgContainer [2020-09-21 12:08:48,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:08:48,552 INFO L168 Benchmark]: Toolchain (without parser) took 28939.10 ms. Allocated memory was 140.5 MB in the beginning and 534.8 MB in the end (delta: 394.3 MB). Free memory was 103.0 MB in the beginning and 388.3 MB in the end (delta: -285.3 MB). Peak memory consumption was 408.9 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:48,552 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:08:48,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.56 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 102.4 MB in the beginning and 169.3 MB in the end (delta: -66.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:48,554 INFO L168 Benchmark]: Boogie Preprocessor took 99.28 ms. Allocated memory is still 200.8 MB. Free memory was 169.3 MB in the beginning and 164.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:48,555 INFO L168 Benchmark]: RCFGBuilder took 1213.14 ms. Allocated memory was 200.8 MB in the beginning and 236.5 MB in the end (delta: 35.7 MB). Free memory was 164.6 MB in the beginning and 198.7 MB in the end (delta: -34.0 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:48,556 INFO L168 Benchmark]: TraceAbstraction took 26898.83 ms. Allocated memory was 236.5 MB in the beginning and 534.8 MB in the end (delta: 298.3 MB). Free memory was 198.7 MB in the beginning and 388.3 MB in the end (delta: -189.6 MB). Peak memory consumption was 408.6 MB. Max. memory is 7.1 GB. [2020-09-21 12:08:48,560 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 718.56 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 102.4 MB in the beginning and 169.3 MB in the end (delta: -66.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.28 ms. Allocated memory is still 200.8 MB. Free memory was 169.3 MB in the beginning and 164.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1213.14 ms. Allocated memory was 200.8 MB in the beginning and 236.5 MB in the end (delta: 35.7 MB). Free memory was 164.6 MB in the beginning and 198.7 MB in the end (delta: -34.0 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26898.83 ms. Allocated memory was 236.5 MB in the beginning and 534.8 MB in the end (delta: 298.3 MB). Free memory was 198.7 MB in the beginning and 388.3 MB in the end (delta: -189.6 MB). Peak memory consumption was 408.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 790]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 348 SDtfs, 450 SDslu, 180 SDs, 0 SdLazy, 754 SolverSat, 323 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 91 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 178 PreInvPairs, 198 NumberOfFragments, 742 HoareAnnotationTreeSize, 178 FomulaSimplifications, 18590 FormulaSimplificationTreeSizeReduction, 8.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 5100 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 60581 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...