/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:37:05,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:37:05,922 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:37:05,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:37:05,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:37:05,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:37:05,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:37:05,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:37:05,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:37:05,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:37:05,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:37:05,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:37:05,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:37:05,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:37:05,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:37:05,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:37:05,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:37:05,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:37:05,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:37:05,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:37:05,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:37:05,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:37:05,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:37:05,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:37:05,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:37:05,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:37:05,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:37:05,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:37:05,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:37:05,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:37:05,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:37:05,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:37:05,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:37:05,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:37:05,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:37:05,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:37:05,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:37:05,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:37:05,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:37:05,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:37:05,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:37:05,985 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 [2020-10-15 01:37:06,029 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:37:06,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:37:06,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:37:06,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:37:06,031 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:37:06,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:37:06,032 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:37:06,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:37:06,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:37:06,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:37:06,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:37:06,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:37:06,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:37:06,036 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:37:06,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:37:06,036 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:37:06,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:37:06,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:37:06,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:37:06,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:37:06,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:37:06,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:37:06,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:37:06,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:37:06,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:37:06,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:37:06,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:37:06,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:37:06,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:37:06,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:37:06,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:37:06,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:37:06,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:37:06,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:37:06,398 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:37:06,399 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c [2020-10-15 01:37:06,472 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc2c89ae1/8b3c0aad6662497ab759c163115fd16e/FLAGa166a8854 [2020-10-15 01:37:07,025 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:37:07,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c [2020-10-15 01:37:07,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc2c89ae1/8b3c0aad6662497ab759c163115fd16e/FLAGa166a8854 [2020-10-15 01:37:07,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dc2c89ae1/8b3c0aad6662497ab759c163115fd16e [2020-10-15 01:37:07,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:37:07,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:37:07,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:37:07,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:37:07,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:37:07,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:37:07" (1/1) ... [2020-10-15 01:37:07,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2759ebc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07, skipping insertion in model container [2020-10-15 01:37:07,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:37:07" (1/1) ... [2020-10-15 01:37:07,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:37:07,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:37:07,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:37:07,833 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:37:07,933 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:37:07,969 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:37:07,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07 WrapperNode [2020-10-15 01:37:07,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:37:07,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:37:07,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:37:07,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:37:07,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07" (1/1) ... [2020-10-15 01:37:07,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07" (1/1) ... [2020-10-15 01:37:08,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07" (1/1) ... [2020-10-15 01:37:08,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07" (1/1) ... [2020-10-15 01:37:08,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07" (1/1) ... [2020-10-15 01:37:08,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07" (1/1) ... [2020-10-15 01:37:08,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07" (1/1) ... [2020-10-15 01:37:08,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:37:08,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:37:08,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:37:08,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:37:08,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:37:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:37:08,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:37:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:37:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:37:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:37:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:37:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:37:08,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-15 01:37:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:37:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-15 01:37:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:37:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:37:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:37:08,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-15 01:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:37:08,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:37:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:37:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:37:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:37:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:37:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:37:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:37:08,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:37:08,135 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:37:08,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:37:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:37:08,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-15 01:37:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:37:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:37:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:37:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:37:08,137 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:37:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:37:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:37:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:37:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:37:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:37:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:37:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:37:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:37:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-15 01:37:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:37:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:37:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:37:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:37:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:37:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:37:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:37:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-15 01:37:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-15 01:37:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:37:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-15 01:37:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:37:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:37:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:37:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:37:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:37:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:37:08,141 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:37:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:37:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:37:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:37:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:37:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:37:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:37:08,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:37:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:37:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:37:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:37:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:37:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:37:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:37:08,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:37:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:37:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:37:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:37:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:37:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:37:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:37:08,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:37:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:37:08,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:37:09,255 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:37:09,256 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:37:09,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:37:09 BoogieIcfgContainer [2020-10-15 01:37:09,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:37:09,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:37:09,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:37:09,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:37:09,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:37:07" (1/3) ... [2020-10-15 01:37:09,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55eb4365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:37:09, skipping insertion in model container [2020-10-15 01:37:09,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:37:07" (2/3) ... [2020-10-15 01:37:09,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55eb4365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:37:09, skipping insertion in model container [2020-10-15 01:37:09,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:37:09" (3/3) ... [2020-10-15 01:37:09,269 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2020-10-15 01:37:09,279 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:37:09,287 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:37:09,299 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:37:09,318 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:37:09,318 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:37:09,318 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:37:09,318 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:37:09,319 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:37:09,319 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:37:09,319 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:37:09,319 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:37:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-10-15 01:37:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:37:09,351 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:09,352 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] [2020-10-15 01:37:09,353 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:09,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:09,359 INFO L82 PathProgramCache]: Analyzing trace with hash -83384634, now seen corresponding path program 1 times [2020-10-15 01:37:09,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:09,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671822407] [2020-10-15 01:37:09,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:09,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:09,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:10,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:11,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:11,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:14,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:14,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:37:14,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:37:14,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 01:37:14,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:14,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:37:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:37:14,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:37:15,010 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:15,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:15,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:15,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:15,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:15,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:15,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-15 01:37:15,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:15,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:15,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:15,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:15,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:15,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:15,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:15,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:15,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:15,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:15,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:15,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:15,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:15,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:15,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:15,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:15,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:15,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:15,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:15,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:15,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:15,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:15,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:15,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:15,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:15,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:15,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:15,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:15,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:15,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:15,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:15,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:15,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:15,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:15,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:15,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:15,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:15,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:15,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:15,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:15,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:15,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:15,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:15,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:15,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:15,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:15,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:15,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:15,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:15,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:15,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:15,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:15,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:37:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:15,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:15,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:15,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:15,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:15,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:15,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:15,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:15,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:15,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:15,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:15,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:15,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:37:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:15,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:15,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:15,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:15,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:15,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:15,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671822407] [2020-10-15 01:37:15,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:15,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 01:37:15,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539364150] [2020-10-15 01:37:15,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 01:37:15,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:15,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 01:37:15,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 01:37:15,245 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 5 states. [2020-10-15 01:37:15,835 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:18,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:18,138 INFO L93 Difference]: Finished difference Result 417 states and 557 transitions. [2020-10-15 01:37:18,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 01:37:18,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-15 01:37:18,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:18,159 INFO L225 Difference]: With dead ends: 417 [2020-10-15 01:37:18,159 INFO L226 Difference]: Without dead ends: 277 [2020-10-15 01:37:18,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:37:18,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-10-15 01:37:18,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 226. [2020-10-15 01:37:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-15 01:37:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2020-10-15 01:37:18,339 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 51 [2020-10-15 01:37:18,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:18,340 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2020-10-15 01:37:18,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 01:37:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2020-10-15 01:37:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-15 01:37:18,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:18,345 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] [2020-10-15 01:37:18,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:37:18,346 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:18,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:18,346 INFO L82 PathProgramCache]: Analyzing trace with hash -670381442, now seen corresponding path program 1 times [2020-10-15 01:37:18,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:18,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1790157057] [2020-10-15 01:37:18,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:18,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:18,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:19,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:19,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:20,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-15 01:37:23,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:37:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 01:37:23,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 01:37:23,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:23,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 01:37:23,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:37:23,699 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:23,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:23,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:23,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:23,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-15 01:37:23,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:23,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:23,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:23,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:23,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:23,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:23,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:23,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:23,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:23,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:37:23,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:23,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:23,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:23,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:23,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:23,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:23,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:23,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:23,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:23,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:23,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:23,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:23,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:23,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:23,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:23,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:23,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:23,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:23,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 01:37:23,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:37:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:23,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:37:23,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:23,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:23,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:37:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 01:37:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:23,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:23,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:23,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:37:23,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:23,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:23,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:23,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:23,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 01:37:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:23,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:23,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:23,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:23,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:23,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:23,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:23,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:23,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:37:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:23,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:37:23,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:23,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1790157057] [2020-10-15 01:37:23,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:23,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:37:23,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034563434] [2020-10-15 01:37:23,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:37:23,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:23,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:37:23,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:37:23,983 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand 9 states. [2020-10-15 01:37:24,527 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:25,686 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-10-15 01:37:26,376 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-15 01:37:26,653 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:26,940 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:28,445 INFO L93 Difference]: Finished difference Result 748 states and 1015 transitions. [2020-10-15 01:37:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 01:37:28,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-15 01:37:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:28,456 INFO L225 Difference]: With dead ends: 748 [2020-10-15 01:37:28,456 INFO L226 Difference]: Without dead ends: 518 [2020-10-15 01:37:28,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2020-10-15 01:37:28,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-10-15 01:37:28,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 389. [2020-10-15 01:37:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2020-10-15 01:37:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 480 transitions. [2020-10-15 01:37:28,572 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 480 transitions. Word has length 62 [2020-10-15 01:37:28,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:28,573 INFO L479 AbstractCegarLoop]: Abstraction has 389 states and 480 transitions. [2020-10-15 01:37:28,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:37:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 480 transitions. [2020-10-15 01:37:28,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-15 01:37:28,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:37:28,579 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:37:28,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:37:28,580 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:37:28,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:37:28,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1429119450, now seen corresponding path program 1 times [2020-10-15 01:37:28,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:37:28,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321372834] [2020-10-15 01:37:28,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:37:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:28,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:28,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:28,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:30,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:32,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:32,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 01:37:32,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:37:32,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4344 [2020-10-15 01:37:32,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:32,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:37:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:37:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-15 01:37:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:33,310 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:33,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:37:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:33,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:33,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 01:37:33,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:33,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:37:33,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:33,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:37:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:33,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:33,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:33,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:33,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:33,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:37:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:33,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:33,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:33,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:33,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:33,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:33,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:37:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:33,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:33,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:33,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:33,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:33,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:37:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:37:33,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:33,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:33,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:33,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:37:33,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:33,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:37:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:33,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:33,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:33,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:37:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:33,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:33,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:37:33,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:33,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:33,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:33,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:37:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:37:33,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:37:33,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:37:33,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:37:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 01:37:33,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:33,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:37:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:33,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:33,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:37:33,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:37:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:33,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:33,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:37:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 01:37:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:37:33,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:37:33,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:37:33,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:37:33,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:37:33,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:37:33,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:37:33,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:37:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:37:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:37:33,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:37:33,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:37:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:37:33,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321372834] [2020-10-15 01:37:33,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:37:33,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 01:37:33,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186293556] [2020-10-15 01:37:33,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:37:33,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:37:33,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:37:33,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:37:33,545 INFO L87 Difference]: Start difference. First operand 389 states and 480 transitions. Second operand 11 states. [2020-10-15 01:37:34,050 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:37:35,238 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-10-15 01:37:35,480 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:37:35,737 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:37:36,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:37:36,136 INFO L93 Difference]: Finished difference Result 679 states and 897 transitions. [2020-10-15 01:37:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:37:36,137 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-15 01:37:36,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:37:36,137 INFO L225 Difference]: With dead ends: 679 [2020-10-15 01:37:36,138 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 01:37:36,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:37:36,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 01:37:36,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 01:37:36,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 01:37:36,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 01:37:36,147 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-10-15 01:37:36,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:37:36,147 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 01:37:36,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:37:36,148 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 01:37:36,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 01:37:36,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:37:36,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 01:37:40,119 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:40,315 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:40,479 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:40,653 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:40,804 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:37:41,137 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:37:41,445 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:41,891 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:37:42,083 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:42,531 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:37:42,679 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-10-15 01:37:42,999 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-10-15 01:37:43,162 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:43,341 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:43,626 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:43,941 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:44,289 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-10-15 01:37:44,616 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2020-10-15 01:37:44,796 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:45,132 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-15 01:37:45,424 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:45,568 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-10-15 01:37:45,855 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:46,021 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:46,187 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:46,332 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:37:46,799 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:37:47,112 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 11 [2020-10-15 01:37:47,414 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:47,432 INFO L268 CegarLoopResult]: For program point L477(lines 454 478) no Hoare annotation was computed. [2020-10-15 01:37:47,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 430 485) no Hoare annotation was computed. [2020-10-15 01:37:47,432 INFO L268 CegarLoopResult]: For program point L461(lines 461 465) no Hoare annotation was computed. [2020-10-15 01:37:47,433 INFO L268 CegarLoopResult]: For program point L461-1(lines 461 465) no Hoare annotation was computed. [2020-10-15 01:37:47,433 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-15 01:37:47,433 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 430 485) no Hoare annotation was computed. [2020-10-15 01:37:47,433 INFO L268 CegarLoopResult]: For program point L455-2(lines 455 476) no Hoare annotation was computed. [2020-10-15 01:37:47,434 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 430 485) no Hoare annotation was computed. [2020-10-15 01:37:47,434 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-15 01:37:47,434 INFO L268 CegarLoopResult]: For program point L512-2(lines 512 537) no Hoare annotation was computed. [2020-10-15 01:37:47,434 INFO L268 CegarLoopResult]: For program point L538(lines 511 539) no Hoare annotation was computed. [2020-10-15 01:37:47,434 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 486 545) no Hoare annotation was computed. [2020-10-15 01:37:47,434 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-15 01:37:47,434 INFO L268 CegarLoopResult]: For program point L531-1(line 531) no Hoare annotation was computed. [2020-10-15 01:37:47,435 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 486 545) no Hoare annotation was computed. [2020-10-15 01:37:47,435 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 486 545) no Hoare annotation was computed. [2020-10-15 01:37:47,435 INFO L268 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-10-15 01:37:47,435 INFO L268 CegarLoopResult]: For program point L518-1(lines 518 522) no Hoare annotation was computed. [2020-10-15 01:37:47,435 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 361 367) the Hoare annotation is: true [2020-10-15 01:37:47,435 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 361 367) no Hoare annotation was computed. [2020-10-15 01:37:47,435 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 368 376) no Hoare annotation was computed. [2020-10-15 01:37:47,435 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 368 376) the Hoare annotation is: true [2020-10-15 01:37:47,436 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 368 376) no Hoare annotation was computed. [2020-10-15 01:37:47,436 INFO L268 CegarLoopResult]: For program point L866-1(lines 866 873) no Hoare annotation was computed. [2020-10-15 01:37:47,436 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-10-15 01:37:47,436 INFO L264 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,436 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,437 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 856 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,437 INFO L264 CegarLoopResult]: At program point L862-1(line 862) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,437 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 856 878) no Hoare annotation was computed. [2020-10-15 01:37:47,437 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 856 878) no Hoare annotation was computed. [2020-10-15 01:37:47,437 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,437 INFO L264 CegarLoopResult]: At program point L868-1(line 868) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,438 INFO L268 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2020-10-15 01:37:47,438 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-10-15 01:37:47,438 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 814 837) no Hoare annotation was computed. [2020-10-15 01:37:47,438 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-10-15 01:37:47,438 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-10-15 01:37:47,438 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-10-15 01:37:47,438 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 814 837) no Hoare annotation was computed. [2020-10-15 01:37:47,439 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-10-15 01:37:47,439 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 814 837) no Hoare annotation was computed. [2020-10-15 01:37:47,439 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-10-15 01:37:47,439 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-10-15 01:37:47,439 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-10-15 01:37:47,439 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-10-15 01:37:47,439 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-10-15 01:37:47,439 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-10-15 01:37:47,439 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-10-15 01:37:47,440 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-10-15 01:37:47,440 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-10-15 01:37:47,440 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:47,440 INFO L268 CegarLoopResult]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2020-10-15 01:37:47,440 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:47,440 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 165 189) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:47,440 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:47,440 INFO L268 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2020-10-15 01:37:47,440 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 165 189) no Hoare annotation was computed. [2020-10-15 01:37:47,440 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:47,441 INFO L268 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-10-15 01:37:47,441 INFO L268 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2020-10-15 01:37:47,441 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 324 338) no Hoare annotation was computed. [2020-10-15 01:37:47,441 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:47,441 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-10-15 01:37:47,441 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 324 338) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-15 01:37:47,441 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 324 338) no Hoare annotation was computed. [2020-10-15 01:37:47,441 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 260 268) no Hoare annotation was computed. [2020-10-15 01:37:47,441 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 260 268) the Hoare annotation is: true [2020-10-15 01:37:47,442 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 260 268) no Hoare annotation was computed. [2020-10-15 01:37:47,442 INFO L268 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-10-15 01:37:47,442 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 305 323) the Hoare annotation is: true [2020-10-15 01:37:47,442 INFO L271 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: true [2020-10-15 01:37:47,442 INFO L268 CegarLoopResult]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2020-10-15 01:37:47,442 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed. [2020-10-15 01:37:47,442 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 305 323) no Hoare annotation was computed. [2020-10-15 01:37:47,442 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 305 323) no Hoare annotation was computed. [2020-10-15 01:37:47,443 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-10-15 01:37:47,443 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-10-15 01:37:47,443 INFO L268 CegarLoopResult]: For program point L276(lines 276 284) no Hoare annotation was computed. [2020-10-15 01:37:47,443 INFO L268 CegarLoopResult]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2020-10-15 01:37:47,443 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 269 304) no Hoare annotation was computed. [2020-10-15 01:37:47,443 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-10-15 01:37:47,443 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-10-15 01:37:47,443 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 269 304) no Hoare annotation was computed. [2020-10-15 01:37:47,443 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 269 304) no Hoare annotation was computed. [2020-10-15 01:37:47,444 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 354 360) no Hoare annotation was computed. [2020-10-15 01:37:47,444 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 354 360) the Hoare annotation is: true [2020-10-15 01:37:47,444 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 384 429) no Hoare annotation was computed. [2020-10-15 01:37:47,444 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 384 429) no Hoare annotation was computed. [2020-10-15 01:37:47,444 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 384 429) no Hoare annotation was computed. [2020-10-15 01:37:47,444 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 697 742) no Hoare annotation was computed. [2020-10-15 01:37:47,444 INFO L268 CegarLoopResult]: For program point L717(lines 717 724) no Hoare annotation was computed. [2020-10-15 01:37:47,444 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 697 742) no Hoare annotation was computed. [2020-10-15 01:37:47,445 INFO L268 CegarLoopResult]: For program point L711(lines 711 731) no Hoare annotation was computed. [2020-10-15 01:37:47,445 INFO L268 CegarLoopResult]: For program point L711-1(lines 711 731) no Hoare annotation was computed. [2020-10-15 01:37:47,445 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 697 742) no Hoare annotation was computed. [2020-10-15 01:37:47,445 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 845 855) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,445 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 845 855) no Hoare annotation was computed. [2020-10-15 01:37:47,445 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 845 855) no Hoare annotation was computed. [2020-10-15 01:37:47,445 INFO L264 CegarLoopResult]: At program point L850(line 850) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,446 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 249 259) the Hoare annotation is: true [2020-10-15 01:37:47,446 INFO L271 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: true [2020-10-15 01:37:47,446 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-10-15 01:37:47,446 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 249 259) no Hoare annotation was computed. [2020-10-15 01:37:47,446 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 249 259) no Hoare annotation was computed. [2020-10-15 01:37:47,446 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 241 248) the Hoare annotation is: true [2020-10-15 01:37:47,446 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 241 248) no Hoare annotation was computed. [2020-10-15 01:37:47,446 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 241 248) no Hoare annotation was computed. [2020-10-15 01:37:47,446 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 191 215) no Hoare annotation was computed. [2020-10-15 01:37:47,447 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 191 215) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:47,447 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:47,447 INFO L268 CegarLoopResult]: For program point L210-1(lines 191 215) no Hoare annotation was computed. [2020-10-15 01:37:47,447 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:47,447 INFO L264 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:47,447 INFO L268 CegarLoopResult]: For program point L199(lines 199 207) no Hoare annotation was computed. [2020-10-15 01:37:47,447 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:47,448 INFO L268 CegarLoopResult]: For program point L197-1(line 197) no Hoare annotation was computed. [2020-10-15 01:37:47,448 INFO L268 CegarLoopResult]: For program point L195(lines 195 212) no Hoare annotation was computed. [2020-10-15 01:37:47,448 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2020-10-15 01:37:47,448 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2020-10-15 01:37:47,448 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,448 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,448 INFO L268 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-10-15 01:37:47,448 INFO L264 CegarLoopResult]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,448 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-10-15 01:37:47,448 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-10-15 01:37:47,448 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-10-15 01:37:47,449 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,449 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-10-15 01:37:47,449 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-10-15 01:37:47,449 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,449 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,449 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-10-15 01:37:47,449 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-10-15 01:37:47,449 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-10-15 01:37:47,449 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:47,450 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-10-15 01:37:47,450 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-10-15 01:37:47,450 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 651 696) no Hoare annotation was computed. [2020-10-15 01:37:47,450 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-10-15 01:37:47,450 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-10-15 01:37:47,450 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 651 696) no Hoare annotation was computed. [2020-10-15 01:37:47,450 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 651 696) no Hoare annotation was computed. [2020-10-15 01:37:47,450 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 216 223) no Hoare annotation was computed. [2020-10-15 01:37:47,451 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 216 223) no Hoare annotation was computed. [2020-10-15 01:37:47,451 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 216 223) no Hoare annotation was computed. [2020-10-15 01:37:47,451 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 960 968) no Hoare annotation was computed. [2020-10-15 01:37:47,451 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 960 968) the Hoare annotation is: true [2020-10-15 01:37:47,451 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 960 968) no Hoare annotation was computed. [2020-10-15 01:37:47,451 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-15 01:37:47,451 INFO L268 CegarLoopResult]: For program point L766(lines 766 772) no Hoare annotation was computed. [2020-10-15 01:37:47,451 INFO L268 CegarLoopResult]: For program point L765(lines 765 775) no Hoare annotation was computed. [2020-10-15 01:37:47,452 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-10-15 01:37:47,452 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-10-15 01:37:47,452 INFO L268 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2020-10-15 01:37:47,452 INFO L268 CegarLoopResult]: For program point L761-1(lines 753 781) no Hoare annotation was computed. [2020-10-15 01:37:47,452 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:47,452 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-10-15 01:37:47,453 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 753 781) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:47,453 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 753 781) no Hoare annotation was computed. [2020-10-15 01:37:47,453 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 928 950) no Hoare annotation was computed. [2020-10-15 01:37:47,453 INFO L268 CegarLoopResult]: For program point L936(lines 936 944) no Hoare annotation was computed. [2020-10-15 01:37:47,453 INFO L268 CegarLoopResult]: For program point L936-2(lines 936 944) no Hoare annotation was computed. [2020-10-15 01:37:47,453 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 928 950) no Hoare annotation was computed. [2020-10-15 01:37:47,453 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 928 950) no Hoare annotation was computed. [2020-10-15 01:37:47,453 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 745 752) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:47,454 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 745 752) no Hoare annotation was computed. [2020-10-15 01:37:47,454 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 745 752) no Hoare annotation was computed. [2020-10-15 01:37:47,454 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 344 353) no Hoare annotation was computed. [2020-10-15 01:37:47,454 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 344 353) no Hoare annotation was computed. [2020-10-15 01:37:47,454 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 344 353) no Hoare annotation was computed. [2020-10-15 01:37:47,454 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 548 650) no Hoare annotation was computed. [2020-10-15 01:37:47,454 INFO L268 CegarLoopResult]: For program point L572(lines 572 576) no Hoare annotation was computed. [2020-10-15 01:37:47,454 INFO L268 CegarLoopResult]: For program point L636(lines 636 647) no Hoare annotation was computed. [2020-10-15 01:37:47,455 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-10-15 01:37:47,455 INFO L268 CegarLoopResult]: For program point L597-2(lines 597 617) no Hoare annotation was computed. [2020-10-15 01:37:47,455 INFO L268 CegarLoopResult]: For program point L618(lines 596 619) no Hoare annotation was computed. [2020-10-15 01:37:47,455 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 548 650) no Hoare annotation was computed. [2020-10-15 01:37:47,455 INFO L268 CegarLoopResult]: For program point L577(lines 577 593) no Hoare annotation was computed. [2020-10-15 01:37:47,455 INFO L268 CegarLoopResult]: For program point L637(lines 637 644) no Hoare annotation was computed. [2020-10-15 01:37:47,455 INFO L268 CegarLoopResult]: For program point L598(lines 597 617) no Hoare annotation was computed. [2020-10-15 01:37:47,455 INFO L268 CegarLoopResult]: For program point L629(line 629) no Hoare annotation was computed. [2020-10-15 01:37:47,456 INFO L268 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-10-15 01:37:47,456 INFO L268 CegarLoopResult]: For program point L594(lines 594 635) no Hoare annotation was computed. [2020-10-15 01:37:47,456 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 548 650) no Hoare annotation was computed. [2020-10-15 01:37:47,456 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-15 01:37:47,456 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-10-15 01:37:47,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:47,457 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)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-15 01:37:47,457 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:47,457 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 224 240) no Hoare annotation was computed. [2020-10-15 01:37:47,457 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-10-15 01:37:47,457 INFO L268 CegarLoopResult]: For program point L235-1(lines 224 240) no Hoare annotation was computed. [2020-10-15 01:37:47,457 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 224 240) no Hoare annotation was computed. [2020-10-15 01:37:47,457 INFO L268 CegarLoopResult]: For program point L231(lines 231 237) no Hoare annotation was computed. [2020-10-15 01:37:47,458 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-10-15 01:37:47,458 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-10-15 01:37:47,458 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 951 959) no Hoare annotation was computed. [2020-10-15 01:37:47,458 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 951 959) no Hoare annotation was computed. [2020-10-15 01:37:47,458 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 951 959) no Hoare annotation was computed. [2020-10-15 01:37:47,458 INFO L268 CegarLoopResult]: For program point L911-1(lines 907 918) no Hoare annotation was computed. [2020-10-15 01:37:47,458 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 907 918) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-15 01:37:47,458 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 907 918) no Hoare annotation was computed. [2020-10-15 01:37:47,459 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:47,459 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-15 01:37:47,459 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:47,459 INFO L264 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1)))) [2020-10-15 01:37:47,459 INFO L264 CegarLoopResult]: At program point L144(lines 144 150) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:47,459 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:47,460 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (and (or (not (= ~methaneLevelCritical~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:47,460 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2020-10-15 01:37:47,460 INFO L268 CegarLoopResult]: For program point L137(lines 136 155) no Hoare annotation was computed. [2020-10-15 01:37:47,460 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2020-10-15 01:37:47,460 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 784 813) no Hoare annotation was computed. [2020-10-15 01:37:47,460 INFO L268 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-10-15 01:37:47,460 INFO L264 CegarLoopResult]: At program point L798-1(lines 798 802) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:37:47,460 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 784 813) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:47,461 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-10-15 01:37:47,461 INFO L264 CegarLoopResult]: At program point L794-2(lines 794 808) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:37:47,461 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:47,461 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-10-15 01:37:47,461 INFO L271 CegarLoopResult]: At program point L809(lines 784 813) the Hoare annotation is: true [2020-10-15 01:37:47,461 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-15 01:37:47,462 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 919 927) the Hoare annotation is: true [2020-10-15 01:37:47,462 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 919 927) no Hoare annotation was computed. [2020-10-15 01:37:47,462 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 919 927) no Hoare annotation was computed. [2020-10-15 01:37:47,462 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 883 894) the Hoare annotation is: true [2020-10-15 01:37:47,462 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 883 894) no Hoare annotation was computed. [2020-10-15 01:37:47,462 INFO L268 CegarLoopResult]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2020-10-15 01:37:47,462 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 838 844) no Hoare annotation was computed. [2020-10-15 01:37:47,462 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 838 844) the Hoare annotation is: true [2020-10-15 01:37:47,463 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:47,463 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-15 01:37:47,463 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 01:37:47,463 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:47,463 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 895 906) no Hoare annotation was computed. [2020-10-15 01:37:47,463 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 895 906) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-15 01:37:47,463 INFO L268 CegarLoopResult]: For program point L899-1(lines 895 906) no Hoare annotation was computed. [2020-10-15 01:37:47,463 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 112 119) no Hoare annotation was computed. [2020-10-15 01:37:47,464 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2020-10-15 01:37:47,464 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 112 119) the Hoare annotation is: true [2020-10-15 01:37:47,464 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 112 119) no Hoare annotation was computed. [2020-10-15 01:37:47,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:37:47 BoogieIcfgContainer [2020-10-15 01:37:47,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:37:47,491 INFO L168 Benchmark]: Toolchain (without parser) took 40184.27 ms. Allocated memory was 145.8 MB in the beginning and 792.2 MB in the end (delta: 646.4 MB). Free memory was 101.1 MB in the beginning and 231.3 MB in the end (delta: -130.2 MB). Peak memory consumption was 636.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:47,496 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-15 01:37:47,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.62 ms. Allocated memory was 145.8 MB in the beginning and 201.3 MB in the end (delta: 55.6 MB). Free memory was 100.7 MB in the beginning and 168.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:47,498 INFO L168 Benchmark]: Boogie Preprocessor took 84.98 ms. Allocated memory is still 201.3 MB. Free memory was 168.2 MB in the beginning and 164.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:47,499 INFO L168 Benchmark]: RCFGBuilder took 1205.61 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.3 MB in the beginning and 194.0 MB in the end (delta: -29.7 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:47,500 INFO L168 Benchmark]: TraceAbstraction took 38224.24 ms. Allocated memory was 233.8 MB in the beginning and 792.2 MB in the end (delta: 558.4 MB). Free memory was 192.3 MB in the beginning and 231.3 MB in the end (delta: -39.0 MB). Peak memory consumption was 639.5 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:47,504 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.8 MB. Free memory was 120.3 MB in the beginning and 119.9 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.62 ms. Allocated memory was 145.8 MB in the beginning and 201.3 MB in the end (delta: 55.6 MB). Free memory was 100.7 MB in the beginning and 168.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.98 ms. Allocated memory is still 201.3 MB. Free memory was 168.2 MB in the beginning and 164.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1205.61 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.3 MB in the beginning and 194.0 MB in the end (delta: -29.7 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38224.24 ms. Allocated memory was 233.8 MB in the beginning and 792.2 MB in the end (delta: 558.4 MB). Free memory was 192.3 MB in the beginning and 231.3 MB in the end (delta: -39.0 MB). Peak memory consumption was 639.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 116]: 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: 54]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || methaneLevelCritical == 0) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 26.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 870 SDslu, 447 SDs, 0 SdLazy, 1828 SolverSat, 647 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 180 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 589 PreInvPairs, 718 NumberOfFragments, 891 HoareAnnotationTreeSize, 589 FomulaSimplifications, 52150 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 61 FomulaSimplificationsInter, 17274 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 176 ConstructedInterpolants, 0 QuantifiedInterpolants, 58556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...