/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=NARROWEST --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_spec1_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:31:51,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:31:51,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:31:51,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:31:51,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:31:51,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:31:51,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:31:51,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:31:51,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:31:51,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:31:51,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:31:51,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:31:51,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:31:51,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:31:51,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:31:51,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:31:51,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:31:51,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:31:51,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:31:51,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:31:51,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:31:51,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:31:51,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:31:51,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:31:51,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:31:51,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:31:51,957 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:31:51,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:31:51,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:31:51,960 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:31:51,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:31:51,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:31:51,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:31:51,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:31:51,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:31:51,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:31:51,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:31:51,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:31:51,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:31:51,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:31:51,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:31:51,968 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 [2020-10-13 12:31:52,010 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:31:52,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:31:52,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:31:52,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:31:52,013 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:31:52,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:31:52,013 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:31:52,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:31:52,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:31:52,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:31:52,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:31:52,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:31:52,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:31:52,016 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:31:52,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:31:52,016 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:31:52,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:31:52,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:31:52,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:31:52,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:31:52,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:31:52,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:31:52,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:31:52,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:31:52,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:31:52,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:31:52,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:31:52,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:31:52,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:31:52,019 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:31:52,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:31:52,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:31:52,355 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:31:52,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:31:52,357 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:31:52,357 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2020-10-13 12:31:52,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/883e390ab/75f4da3f355d4844a24c41a18f7be706/FLAG755c6a47a [2020-10-13 12:31:52,956 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:31:52,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2020-10-13 12:31:52,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/883e390ab/75f4da3f355d4844a24c41a18f7be706/FLAG755c6a47a [2020-10-13 12:31:53,248 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/883e390ab/75f4da3f355d4844a24c41a18f7be706 [2020-10-13 12:31:53,257 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:31:53,259 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:31:53,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:53,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:31:53,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:31:53,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:53" (1/1) ... [2020-10-13 12:31:53,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190b9cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53, skipping insertion in model container [2020-10-13 12:31:53,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:53" (1/1) ... [2020-10-13 12:31:53,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:31:53,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:31:53,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:53,741 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:31:53,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:53,900 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:31:53,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53 WrapperNode [2020-10-13 12:31:53,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:53,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:31:53,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:31:53,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:31:53,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53" (1/1) ... [2020-10-13 12:31:53,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53" (1/1) ... [2020-10-13 12:31:53,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53" (1/1) ... [2020-10-13 12:31:53,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53" (1/1) ... [2020-10-13 12:31:53,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53" (1/1) ... [2020-10-13 12:31:53,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53" (1/1) ... [2020-10-13 12:31:53,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53" (1/1) ... [2020-10-13 12:31:53,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:31:53,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:31:53,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:31:53,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:31:53,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53" (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 [2020-10-13 12:31:54,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:31:54,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:31:54,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:31:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:31:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:31:54,074 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:31:54,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:31:54,075 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:31:54,075 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:31:54,075 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:31:54,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:31:54,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:31:54,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:31:54,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:31:54,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:54,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:31:54,077 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:31:54,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:31:54,077 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:31:54,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:31:54,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:54,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:54,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:54,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:31:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:31:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:31:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:31:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:31:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:31:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:31:54,080 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:31:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:31:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:31:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:31:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:31:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:31:54,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:31:54,082 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:31:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:31:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:31:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:31:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:31:54,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:31:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:31:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:31:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:31:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:31:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:31:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:31:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:31:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:31:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:31:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:31:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:31:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:31:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:31:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:31:54,086 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:31:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:31:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:31:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:31:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:31:54,087 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:31:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:31:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:31:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:31:54,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:31:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:31:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:31:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:31:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:31:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:31:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:31:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:31:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:31:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:31:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:31:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:31:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:31:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:31:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:31:54,094 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-13 12:31:54,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:31:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:31:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:31:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:31:55,071 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:31:55,071 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:31:55,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:55 BoogieIcfgContainer [2020-10-13 12:31:55,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:31:55,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:31:55,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:31:55,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:31:55,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:31:53" (1/3) ... [2020-10-13 12:31:55,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e283cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:55, skipping insertion in model container [2020-10-13 12:31:55,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:53" (2/3) ... [2020-10-13 12:31:55,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e283cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:55, skipping insertion in model container [2020-10-13 12:31:55,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:55" (3/3) ... [2020-10-13 12:31:55,085 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2020-10-13 12:31:55,096 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:31:55,104 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:31:55,119 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:31:55,144 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:31:55,145 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:31:55,145 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:31:55,145 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:31:55,145 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:31:55,145 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:31:55,146 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:31:55,146 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:31:55,168 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-13 12:31:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:31:55,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:55,180 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] [2020-10-13 12:31:55,180 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:55,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:55,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1851171777, now seen corresponding path program 1 times [2020-10-13 12:31:55,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:55,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [888251359] [2020-10-13 12:31:55,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:55,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:55,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:56,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:56,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:57,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:00,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:00,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:32:00,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:32:00,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 12:32:00,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:00,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:00,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:32:00,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:00,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 12:32:00,956 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:00,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:00,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:00,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:00,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:00,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:00,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 12:32:00,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:01,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:01,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:01,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:01,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:01,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:01,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:01,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:01,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:01,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:01,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:01,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:01,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:01,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:01,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:01,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:01,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:01,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:01,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:01,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:01,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:01,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:01,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:01,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:01,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:01,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:01,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:01,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:01,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:01,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:01,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:01,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:01,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:01,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:01,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:01,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:01,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:32:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:01,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:01,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:01,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:01,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:01,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:01,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:01,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:01,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:01,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:01,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:01,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:32:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:01,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:01,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:01,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:01,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:01,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:01,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:01,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:01,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:01,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:01,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:32:01,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [888251359] [2020-10-13 12:32:01,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:01,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:32:01,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917513806] [2020-10-13 12:32:01,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:32:01,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:01,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:32:01,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:32:01,087 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-10-13 12:32:02,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:02,205 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-10-13 12:32:02,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:32:02,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:32:02,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:02,222 INFO L225 Difference]: With dead ends: 261 [2020-10-13 12:32:02,222 INFO L226 Difference]: Without dead ends: 142 [2020-10-13 12:32:02,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:32:02,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-10-13 12:32:02,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-10-13 12:32:02,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-13 12:32:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-10-13 12:32:02,312 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-10-13 12:32:02,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:02,313 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-10-13 12:32:02,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:32:02,313 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-10-13 12:32:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:32:02,317 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:02,317 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] [2020-10-13 12:32:02,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:32:02,317 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:02,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:02,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1354219367, now seen corresponding path program 1 times [2020-10-13 12:32:02,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:02,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218168358] [2020-10-13 12:32:02,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:02,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:02,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:02,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:03,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:04,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:07,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:07,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:32:07,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:32:07,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 12:32:07,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:32:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:32:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:07,610 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:07,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:07,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:07,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:07,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:07,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:07,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 12:32:07,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:07,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:07,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:07,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:07,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:07,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:07,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:07,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:07,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:07,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:07,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:07,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:07,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:07,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:07,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:07,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:07,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:07,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:07,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:07,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:07,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:07,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:07,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:07,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:07,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:07,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:07,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:07,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:07,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:07,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:07,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:07,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:07,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:32:07,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:07,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:07,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:32:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:07,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:07,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:07,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:07,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:07,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:07,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:07,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:07,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:32:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:07,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:07,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:07,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:07,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:07,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:07,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:07,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:32:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:32:07,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218168358] [2020-10-13 12:32:07,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:07,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:32:07,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713059163] [2020-10-13 12:32:07,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:32:07,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:07,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:32:07,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:32:07,694 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-10-13 12:32:08,208 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:32:08,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:08,821 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-10-13 12:32:08,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:32:08,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:32:08,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:08,825 INFO L225 Difference]: With dead ends: 188 [2020-10-13 12:32:08,825 INFO L226 Difference]: Without dead ends: 126 [2020-10-13 12:32:08,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:32:08,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-10-13 12:32:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-10-13 12:32:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-13 12:32:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-10-13 12:32:08,865 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-10-13 12:32:08,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:08,866 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-10-13 12:32:08,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:32:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-10-13 12:32:08,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:32:08,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:32:08,868 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] [2020-10-13 12:32:08,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:32:08,868 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:32:08,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:32:08,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1234220754, now seen corresponding path program 1 times [2020-10-13 12:32:08,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:32:08,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [874348731] [2020-10-13 12:32:08,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:32:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:08,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:09,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:09,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:09,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:11,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:11,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 12:32:11,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:32:11,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2902 [2020-10-13 12:32:11,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:11,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:32:11,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 12:32:11,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:32:11,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:12,125 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:12,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:32:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:12,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:12,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:12,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:12,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:12,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 12:32:12,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:12,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:12,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:12,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:12,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:32:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:12,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:12,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:12,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:12,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:12,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:12,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:12,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:12,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:12,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:32:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:12,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:12,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:12,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:12,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:12,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:12,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:32:12,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:32:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:12,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:12,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:12,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:12,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:12,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:12,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:12,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:12,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:12,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:12,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:12,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:32:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:12,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:12,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:12,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:32:12,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:32:12,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:32:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:12,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:32:12,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:12,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:32:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:12,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:12,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:12,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:12,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:12,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:32:12,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:32:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:12,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:12,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:32:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:32:12,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:32:12,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:32:12,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:32:12,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:32:12,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:32:12,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:32:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:32:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:32:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:32:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:32:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:32:12,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [874348731] [2020-10-13 12:32:12,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:32:12,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:32:12,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982488153] [2020-10-13 12:32:12,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:32:12,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:32:12,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:32:12,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:32:12,264 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2020-10-13 12:32:12,670 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:32:13,472 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:32:13,762 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:32:14,007 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:32:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:32:14,116 INFO L93 Difference]: Finished difference Result 169 states and 211 transitions. [2020-10-13 12:32:14,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:32:14,117 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-13 12:32:14,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:32:14,118 INFO L225 Difference]: With dead ends: 169 [2020-10-13 12:32:14,118 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:32:14,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:32:14,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:32:14,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:32:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:32:14,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:32:14,124 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-13 12:32:14,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:32:14,124 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:32:14,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:32:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:32:14,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:32:14,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:32:14,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:32:15,038 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:32:15,186 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:32:15,355 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:15,519 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:15,745 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:32:15,885 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:32:16,027 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:32:16,187 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:32:16,373 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:16,514 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:32:16,661 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:16,850 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:32:17,008 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:17,161 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:17,318 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:17,470 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:17,634 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:32:17,649 INFO L268 CegarLoopResult]: For program point L386-2(lines 386 407) no Hoare annotation was computed. [2020-10-13 12:32:17,649 INFO L268 CegarLoopResult]: For program point L408(lines 385 409) no Hoare annotation was computed. [2020-10-13 12:32:17,649 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 361 416) no Hoare annotation was computed. [2020-10-13 12:32:17,650 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-10-13 12:32:17,650 INFO L268 CegarLoopResult]: For program point L392-1(lines 392 396) no Hoare annotation was computed. [2020-10-13 12:32:17,650 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 361 416) no Hoare annotation was computed. [2020-10-13 12:32:17,650 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-10-13 12:32:17,651 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 361 416) no Hoare annotation was computed. [2020-10-13 12:32:17,651 INFO L268 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-10-13 12:32:17,651 INFO L268 CegarLoopResult]: For program point L449-1(lines 449 453) no Hoare annotation was computed. [2020-10-13 12:32:17,651 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-13 12:32:17,651 INFO L268 CegarLoopResult]: For program point L443-2(lines 443 468) no Hoare annotation was computed. [2020-10-13 12:32:17,652 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 417 476) no Hoare annotation was computed. [2020-10-13 12:32:17,652 INFO L268 CegarLoopResult]: For program point L469(lines 442 470) no Hoare annotation was computed. [2020-10-13 12:32:17,652 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 417 476) no Hoare annotation was computed. [2020-10-13 12:32:17,652 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-13 12:32:17,652 INFO L268 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-10-13 12:32:17,652 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 417 476) no Hoare annotation was computed. [2020-10-13 12:32:17,653 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-10-13 12:32:17,653 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-10-13 12:32:17,653 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:32:17,653 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-10-13 12:32:17,653 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-10-13 12:32:17,653 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:17,654 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2020-10-13 12:32:17,654 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2020-10-13 12:32:17,654 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:17,654 INFO L264 CegarLoopResult]: At program point L297-1(line 297) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:17,654 INFO L268 CegarLoopResult]: For program point L295(lines 295 302) no Hoare annotation was computed. [2020-10-13 12:32:17,654 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2020-10-13 12:32:17,655 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-10-13 12:32:17,655 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:17,655 INFO L264 CegarLoopResult]: At program point L291(line 291) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:17,655 INFO L264 CegarLoopResult]: At program point L291-1(line 291) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:17,655 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-10-13 12:32:17,655 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-10-13 12:32:17,656 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 243 266) no Hoare annotation was computed. [2020-10-13 12:32:17,656 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-10-13 12:32:17,656 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-10-13 12:32:17,656 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-10-13 12:32:17,656 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 243 266) no Hoare annotation was computed. [2020-10-13 12:32:17,656 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-10-13 12:32:17,656 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 243 266) no Hoare annotation was computed. [2020-10-13 12:32:17,657 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-10-13 12:32:17,657 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-10-13 12:32:17,657 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-10-13 12:32:17,657 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-10-13 12:32:17,657 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-10-13 12:32:17,657 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-10-13 12:32:17,657 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-10-13 12:32:17,658 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-10-13 12:32:17,658 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2020-10-13 12:32:17,658 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,658 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-10-13 12:32:17,658 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,658 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2020-10-13 12:32:17,658 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2020-10-13 12:32:17,659 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2020-10-13 12:32:17,659 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2020-10-13 12:32:17,659 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2020-10-13 12:32:17,659 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-10-13 12:32:17,659 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-10-13 12:32:17,659 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-10-13 12:32:17,659 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2020-10-13 12:32:17,660 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-10-13 12:32:17,660 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2020-10-13 12:32:17,660 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2020-10-13 12:32:17,660 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-10-13 12:32:17,660 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-10-13 12:32:17,660 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2020-10-13 12:32:17,660 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-10-13 12:32:17,660 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-10-13 12:32:17,661 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2020-10-13 12:32:17,661 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2020-10-13 12:32:17,661 INFO L268 CegarLoopResult]: For program point L866(lines 866 874) no Hoare annotation was computed. [2020-10-13 12:32:17,661 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-10-13 12:32:17,661 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-10-13 12:32:17,661 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 315 360) no Hoare annotation was computed. [2020-10-13 12:32:17,661 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 315 360) no Hoare annotation was computed. [2020-10-13 12:32:17,661 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 315 360) no Hoare annotation was computed. [2020-10-13 12:32:17,662 INFO L268 CegarLoopResult]: For program point L642-1(lines 642 662) no Hoare annotation was computed. [2020-10-13 12:32:17,662 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 628 673) no Hoare annotation was computed. [2020-10-13 12:32:17,662 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 628 673) no Hoare annotation was computed. [2020-10-13 12:32:17,662 INFO L268 CegarLoopResult]: For program point L648(lines 648 655) no Hoare annotation was computed. [2020-10-13 12:32:17,662 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 628 673) no Hoare annotation was computed. [2020-10-13 12:32:17,662 INFO L268 CegarLoopResult]: For program point L642(lines 642 662) no Hoare annotation was computed. [2020-10-13 12:32:17,662 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 275 284) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:17,662 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 275 284) no Hoare annotation was computed. [2020-10-13 12:32:17,663 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 275 284) no Hoare annotation was computed. [2020-10-13 12:32:17,663 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 839 849) no Hoare annotation was computed. [2020-10-13 12:32:17,663 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-10-13 12:32:17,663 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-10-13 12:32:17,663 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2020-10-13 12:32:17,663 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2020-10-13 12:32:17,663 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2020-10-13 12:32:17,663 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2020-10-13 12:32:17,664 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2020-10-13 12:32:17,664 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:32:17,664 INFO L268 CegarLoopResult]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2020-10-13 12:32:17,664 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,664 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 780 804) no Hoare annotation was computed. [2020-10-13 12:32:17,664 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,664 INFO L268 CegarLoopResult]: For program point L788(lines 788 796) no Hoare annotation was computed. [2020-10-13 12:32:17,665 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 780 804) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:32:17,665 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,665 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-10-13 12:32:17,665 INFO L268 CegarLoopResult]: For program point L784(lines 784 801) no Hoare annotation was computed. [2020-10-13 12:32:17,665 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2020-10-13 12:32:17,665 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2020-10-13 12:32:17,665 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2020-10-13 12:32:17,666 INFO L264 CegarLoopResult]: At program point testENTRY(lines 676 741) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:17,666 INFO L264 CegarLoopResult]: At program point L731(lines 686 733) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:17,666 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:17,666 INFO L268 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-10-13 12:32:17,666 INFO L268 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-10-13 12:32:17,666 INFO L268 CegarLoopResult]: For program point testFINAL(lines 676 741) no Hoare annotation was computed. [2020-10-13 12:32:17,666 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-10-13 12:32:17,667 INFO L264 CegarLoopResult]: At program point L734(lines 685 735) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,667 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:17,667 INFO L268 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-10-13 12:32:17,667 INFO L264 CegarLoopResult]: At program point L722-1(lines 716 729) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:17,667 INFO L268 CegarLoopResult]: For program point L687(lines 686 733) no Hoare annotation was computed. [2020-10-13 12:32:17,667 INFO L268 CegarLoopResult]: For program point L716(lines 716 729) no Hoare annotation was computed. [2020-10-13 12:32:17,668 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:17,668 INFO L268 CegarLoopResult]: For program point testEXIT(lines 676 741) no Hoare annotation was computed. [2020-10-13 12:32:17,668 INFO L268 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2020-10-13 12:32:17,668 INFO L268 CegarLoopResult]: For program point L602(lines 602 609) no Hoare annotation was computed. [2020-10-13 12:32:17,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 582 627) no Hoare annotation was computed. [2020-10-13 12:32:17,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 582 627) no Hoare annotation was computed. [2020-10-13 12:32:17,668 INFO L268 CegarLoopResult]: For program point L596(lines 596 616) no Hoare annotation was computed. [2020-10-13 12:32:17,668 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2020-10-13 12:32:17,668 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 582 627) no Hoare annotation was computed. [2020-10-13 12:32:17,669 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 805 812) no Hoare annotation was computed. [2020-10-13 12:32:17,669 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 805 812) no Hoare annotation was computed. [2020-10-13 12:32:17,669 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 805 812) no Hoare annotation was computed. [2020-10-13 12:32:17,669 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2020-10-13 12:32:17,669 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2020-10-13 12:32:17,669 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2020-10-13 12:32:17,669 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2020-10-13 12:32:17,669 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2020-10-13 12:32:17,670 INFO L268 CegarLoopResult]: For program point L149(lines 149 157) no Hoare annotation was computed. [2020-10-13 12:32:17,670 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 141 163) no Hoare annotation was computed. [2020-10-13 12:32:17,670 INFO L268 CegarLoopResult]: For program point L149-2(lines 149 157) no Hoare annotation was computed. [2020-10-13 12:32:17,670 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:32:17,670 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:32:17,670 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-10-13 12:32:17,670 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 479 581) no Hoare annotation was computed. [2020-10-13 12:32:17,670 INFO L268 CegarLoopResult]: For program point L508(lines 508 524) no Hoare annotation was computed. [2020-10-13 12:32:17,670 INFO L268 CegarLoopResult]: For program point L568(lines 568 575) no Hoare annotation was computed. [2020-10-13 12:32:17,671 INFO L268 CegarLoopResult]: For program point L529(lines 528 548) no Hoare annotation was computed. [2020-10-13 12:32:17,671 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-13 12:32:17,671 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-10-13 12:32:17,671 INFO L268 CegarLoopResult]: For program point L525(lines 525 566) no Hoare annotation was computed. [2020-10-13 12:32:17,671 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 479 581) no Hoare annotation was computed. [2020-10-13 12:32:17,671 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-13 12:32:17,671 INFO L268 CegarLoopResult]: For program point L544-1(line 544) no Hoare annotation was computed. [2020-10-13 12:32:17,671 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-10-13 12:32:17,671 INFO L268 CegarLoopResult]: For program point L567(lines 567 578) no Hoare annotation was computed. [2020-10-13 12:32:17,672 INFO L268 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-10-13 12:32:17,672 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 479 581) no Hoare annotation was computed. [2020-10-13 12:32:17,672 INFO L268 CegarLoopResult]: For program point L528-2(lines 528 548) no Hoare annotation was computed. [2020-10-13 12:32:17,672 INFO L268 CegarLoopResult]: For program point L549(lines 527 550) no Hoare annotation was computed. [2020-10-13 12:32:17,672 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:32:17,672 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~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:32:17,673 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:32:17,673 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2020-10-13 12:32:17,673 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-10-13 12:32:17,673 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 814 830) no Hoare annotation was computed. [2020-10-13 12:32:17,673 INFO L268 CegarLoopResult]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2020-10-13 12:32:17,673 INFO L268 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-10-13 12:32:17,673 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-10-13 12:32:17,673 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-10-13 12:32:17,674 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 164 172) no Hoare annotation was computed. [2020-10-13 12:32:17,674 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 164 172) no Hoare annotation was computed. [2020-10-13 12:32:17,674 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2020-10-13 12:32:17,674 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:32:17,674 INFO L268 CegarLoopResult]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2020-10-13 12:32:17,674 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2020-10-13 12:32:17,674 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:32:17,674 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:32:17,675 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:32:17,675 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2020-10-13 12:32:17,675 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2020-10-13 12:32:17,675 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2020-10-13 12:32:17,675 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,675 INFO L264 CegarLoopResult]: At program point L759(lines 759 765) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,675 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,676 INFO L268 CegarLoopResult]: For program point L752(lines 751 770) no Hoare annotation was computed. [2020-10-13 12:32:17,676 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 748 771) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:17,676 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2020-10-13 12:32:17,676 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2020-10-13 12:32:17,676 INFO L271 CegarLoopResult]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2020-10-13 12:32:17,676 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2020-10-13 12:32:17,676 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-10-13 12:32:17,676 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2020-10-13 12:32:17,677 INFO L271 CegarLoopResult]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2020-10-13 12:32:17,677 INFO L271 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: true [2020-10-13 12:32:17,677 INFO L268 CegarLoopResult]: For program point L218-1(line 218) no Hoare annotation was computed. [2020-10-13 12:32:17,677 INFO L271 CegarLoopResult]: At program point L237(lines 212 241) the Hoare annotation is: true [2020-10-13 12:32:17,677 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-10-13 12:32:17,677 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-10-13 12:32:17,677 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2020-10-13 12:32:17,677 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2020-10-13 12:32:17,678 INFO L268 CegarLoopResult]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2020-10-13 12:32:17,678 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2020-10-13 12:32:17,678 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2020-10-13 12:32:17,678 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:32:17,678 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:32:17,678 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:32:17,678 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:32:17,678 INFO L268 CegarLoopResult]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2020-10-13 12:32:17,679 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2020-10-13 12:32:17,679 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:32:17,679 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-10-13 12:32:17,679 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-10-13 12:32:17,679 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-10-13 12:32:17,679 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-10-13 12:32:17,680 INFO L268 CegarLoopResult]: For program point L194-1(line 194) no Hoare annotation was computed. [2020-10-13 12:32:17,680 INFO L268 CegarLoopResult]: For program point L192(lines 192 205) no Hoare annotation was computed. [2020-10-13 12:32:17,680 INFO L268 CegarLoopResult]: For program point L192-1(lines 184 208) no Hoare annotation was computed. [2020-10-13 12:32:17,680 INFO L271 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: true [2020-10-13 12:32:17,680 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-10-13 12:32:17,680 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 184 208) the Hoare annotation is: true [2020-10-13 12:32:17,680 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 184 208) no Hoare annotation was computed. [2020-10-13 12:32:17,680 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (or (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-13 12:32:17,681 INFO L268 CegarLoopResult]: For program point L196(lines 196 202) no Hoare annotation was computed. [2020-10-13 12:32:17,681 INFO L271 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: true [2020-10-13 12:32:17,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:32:17 BoogieIcfgContainer [2020-10-13 12:32:17,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:32:17,698 INFO L168 Benchmark]: Toolchain (without parser) took 24439.30 ms. Allocated memory was 147.3 MB in the beginning and 665.3 MB in the end (delta: 518.0 MB). Free memory was 102.4 MB in the beginning and 338.8 MB in the end (delta: -236.4 MB). Peak memory consumption was 489.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:17,699 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-13 12:32:17,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 640.44 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 172.2 MB in the end (delta: -70.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:17,701 INFO L168 Benchmark]: Boogie Preprocessor took 92.56 ms. Allocated memory is still 204.5 MB. Free memory was 172.2 MB in the beginning and 168.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:17,702 INFO L168 Benchmark]: RCFGBuilder took 1083.10 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 167.3 MB in the beginning and 196.7 MB in the end (delta: -29.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:17,703 INFO L168 Benchmark]: TraceAbstraction took 22618.28 ms. Allocated memory was 236.5 MB in the beginning and 665.3 MB in the end (delta: 428.9 MB). Free memory was 196.7 MB in the beginning and 338.8 MB in the end (delta: -142.1 MB). Peak memory consumption was 494.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:17,707 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 121.8 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 640.44 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 172.2 MB in the end (delta: -70.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.56 ms. Allocated memory is still 204.5 MB. Free memory was 172.2 MB in the beginning and 168.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1083.10 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 167.3 MB in the beginning and 196.7 MB in the end (delta: -29.4 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22618.28 ms. Allocated memory was 236.5 MB in the beginning and 665.3 MB in the end (delta: 428.9 MB). Free memory was 196.7 MB in the beginning and 338.8 MB in the end (delta: -142.1 MB). Peak memory consumption was 494.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 685]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 275 SDslu, 99 SDs, 0 SdLazy, 510 SolverSat, 147 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 57 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 150 PreInvPairs, 166 NumberOfFragments, 659 HoareAnnotationTreeSize, 150 FomulaSimplifications, 2850 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 52 FomulaSimplificationsInter, 4876 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 35628 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...