/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_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:31:29,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:31:29,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:31:29,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:31:29,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:31:29,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:31:29,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:31:29,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:31:29,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:31:29,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:31:29,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:31:29,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:31:29,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:31:29,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:31:29,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:31:29,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:31:29,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:31:29,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:31:29,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:31:29,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:31:29,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:31:29,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:31:29,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:31:29,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:31:29,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:31:29,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:31:29,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:31:29,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:31:29,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:31:29,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:31:29,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:31:29,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:31:29,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:31:29,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:31:29,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:31:29,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:31:29,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:31:29,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:31:29,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:31:29,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:31:29,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:31:29,937 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 12:31:29,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:31:29,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:31:29,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:31:29,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:31:29,960 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:31:29,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:31:29,961 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:31:29,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:31:29,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:31:29,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:31:29,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:31:29,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:31:29,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:31:29,962 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:31:29,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:31:29,963 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:31:29,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:31:29,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:31:29,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:31:29,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:31:29,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:31:29,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:31:29,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:31:29,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:31:29,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:31:29,965 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:31:29,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:31:29,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:31:29,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:31:29,965 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 12:31:30,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:31:30,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:31:30,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:31:30,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:31:30,281 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:31:30,282 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2020-10-13 12:31:30,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd56c52ae/5176ac953a2b4699b59f9c2072a687b1/FLAG00052bd9a [2020-10-13 12:31:30,854 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:31:30,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2020-10-13 12:31:30,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd56c52ae/5176ac953a2b4699b59f9c2072a687b1/FLAG00052bd9a [2020-10-13 12:31:31,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cd56c52ae/5176ac953a2b4699b59f9c2072a687b1 [2020-10-13 12:31:31,213 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:31:31,215 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:31:31,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:31,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:31:31,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:31:31,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:31" (1/1) ... [2020-10-13 12:31:31,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e50368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31, skipping insertion in model container [2020-10-13 12:31:31,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:31" (1/1) ... [2020-10-13 12:31:31,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:31:31,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:31:31,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:31,733 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:31:31,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:31,899 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:31:31,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31 WrapperNode [2020-10-13 12:31:31,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:31,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:31:31,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:31:31,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:31:31,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31" (1/1) ... [2020-10-13 12:31:31,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31" (1/1) ... [2020-10-13 12:31:31,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31" (1/1) ... [2020-10-13 12:31:31,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31" (1/1) ... [2020-10-13 12:31:31,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31" (1/1) ... [2020-10-13 12:31:31,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31" (1/1) ... [2020-10-13 12:31:31,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31" (1/1) ... [2020-10-13 12:31:31,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:31:31,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:31:31,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:31:31,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:31:31,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31" (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 12:31:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:31:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:31:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:31:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:31:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:31:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:31:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:31:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:31:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:31:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:31:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:31:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:31:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:31:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:31:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:31:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:31:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:31:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:31:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:31:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:31:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:31:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:31:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:31:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:31:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:31:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:31:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:31:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:31:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:31:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:31:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:31:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:31:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:31:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:31:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:31:32,076 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:31:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:31:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:31:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:31:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:31:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:31:32,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:31:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:31:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:31:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:32,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:31:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:31:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:31:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:31:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:31:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:31:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:31:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:31:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:31:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:31:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:31:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:31:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:31:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:31:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:31:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:31:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:31:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:31:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:31:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:31:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:31:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:31:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:31:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:31:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:31:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:31:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:31:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:31:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:31:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:31:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:31:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:31:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:31:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:31:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:31:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:31:33,106 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:31:33,107 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:31:33,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:33 BoogieIcfgContainer [2020-10-13 12:31:33,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:31:33,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:31:33,113 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:31:33,116 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:31:33,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:31:31" (1/3) ... [2020-10-13 12:31:33,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e540fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:33, skipping insertion in model container [2020-10-13 12:31:33,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:31" (2/3) ... [2020-10-13 12:31:33,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36e540fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:33, skipping insertion in model container [2020-10-13 12:31:33,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:33" (3/3) ... [2020-10-13 12:31:33,120 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2020-10-13 12:31:33,130 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:31:33,138 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:31:33,152 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:31:33,177 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:31:33,177 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:31:33,177 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:31:33,177 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:31:33,178 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:31:33,178 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:31:33,178 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:31:33,178 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:31:33,199 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-10-13 12:31:33,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:31:33,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:33,209 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 12:31:33,209 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:33,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:33,214 INFO L82 PathProgramCache]: Analyzing trace with hash 118320894, now seen corresponding path program 1 times [2020-10-13 12:31:33,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:33,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233275903] [2020-10-13 12:31:33,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:33,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:33,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:34,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:34,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:35,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:38,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:38,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:31:38,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:31:38,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4553 [2020-10-13 12:31:38,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:31:38,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:38,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:31:38,385 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:38,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:38,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:38,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:38,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:38,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:31:38,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:38,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:38,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:38,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:38,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:38,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:38,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:38,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:38,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:38,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:38,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:38,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:38,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:38,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:38,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:38,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:38,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:38,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:38,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:38,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:38,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:38,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:38,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:38,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:38,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:38,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:38,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:38,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:38,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:38,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:38,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:38,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:31:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:38,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:38,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:38,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:38,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:38,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:38,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:38,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:31:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:38,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:38,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:38,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:38,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:38,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:38,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:38,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:38,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:38,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:38,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:38,483 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 12:31:38,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233275903] [2020-10-13 12:31:38,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:38,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:31:38,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200747553] [2020-10-13 12:31:38,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:31:38,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:38,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:31:38,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:31:38,510 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-10-13 12:31:39,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:39,597 INFO L93 Difference]: Finished difference Result 279 states and 370 transitions. [2020-10-13 12:31:39,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:31:39,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:31:39,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:39,615 INFO L225 Difference]: With dead ends: 279 [2020-10-13 12:31:39,615 INFO L226 Difference]: Without dead ends: 151 [2020-10-13 12:31:39,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:31:39,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-10-13 12:31:39,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-10-13 12:31:39,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-13 12:31:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2020-10-13 12:31:39,708 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 46 [2020-10-13 12:31:39,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:39,708 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2020-10-13 12:31:39,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:31:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2020-10-13 12:31:39,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:31:39,712 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:39,712 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 12:31:39,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:31:39,713 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:39,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:39,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1322865841, now seen corresponding path program 1 times [2020-10-13 12:31:39,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:39,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606959954] [2020-10-13 12:31:39,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:39,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:39,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:39,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:39,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:41,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:41,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:44,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:44,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:31:44,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:31:44,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4604 [2020-10-13 12:31:44,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:31:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:31:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:31:44,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:44,633 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:44,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:44,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:44,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:44,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:44,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:44,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 12:31:44,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:44,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:44,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:44,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:44,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:44,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:44,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:44,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:44,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:44,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:44,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:44,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:44,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:44,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:44,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:44,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:31:44,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:44,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:44,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:44,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:44,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:44,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:44,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:44,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:44,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:44,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:44,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:44,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:44,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:44,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:44,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:44,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:31:44,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:44,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:44,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:31:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:44,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:44,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:44,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:44,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:44,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:44,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:44,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:31:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:44,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:44,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:44,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:44,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:44,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:44,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:44,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:44,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:44,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:44,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:44,734 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 12:31:44,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606959954] [2020-10-13 12:31:44,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:44,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:31:44,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380133471] [2020-10-13 12:31:44,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:31:44,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:44,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:31:44,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:31:44,738 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 4 states. [2020-10-13 12:31:45,130 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:31:45,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:45,827 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2020-10-13 12:31:45,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:31:45,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:31:45,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:45,830 INFO L225 Difference]: With dead ends: 212 [2020-10-13 12:31:45,831 INFO L226 Difference]: Without dead ends: 135 [2020-10-13 12:31:45,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:31:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-13 12:31:45,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2020-10-13 12:31:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-13 12:31:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-10-13 12:31:45,873 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 47 [2020-10-13 12:31:45,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:45,873 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-10-13 12:31:45,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:31:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-10-13 12:31:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:31:45,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:45,876 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 12:31:45,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:31:45,876 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:45,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:45,876 INFO L82 PathProgramCache]: Analyzing trace with hash -847724257, now seen corresponding path program 1 times [2020-10-13 12:31:45,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:45,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540761918] [2020-10-13 12:31:45,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:45,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:45,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:46,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:46,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:48,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:48,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 12:31:48,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:31:48,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2473 [2020-10-13 12:31:48,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:31:48,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 12:31:48,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:31:48,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:48,634 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:48,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:48,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:48,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:48,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:48,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:48,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 12:31:48,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:48,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:48,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:48,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:48,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:48,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:48,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:48,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:48,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:48,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:48,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:48,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:48,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:48,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:48,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:48,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:48,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:48,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:48,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:48,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:48,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:48,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:48,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:48,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:48,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:48,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:48,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:48,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:48,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:48,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:48,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:48,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:48,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:48,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:48,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:48,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:48,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:48,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:31:48,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:48,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:48,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:48,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:48,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:31:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:48,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:48,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:48,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:48,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:48,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:48,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:31:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:31:48,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:48,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:31:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:48,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:48,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:48,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:48,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:48,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:31:48,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:31:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:31:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:48,807 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 12:31:48,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540761918] [2020-10-13 12:31:48,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:48,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:31:48,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127652267] [2020-10-13 12:31:48,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:31:48,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:48,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:31:48,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:31:48,810 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 7 states. [2020-10-13 12:31:49,161 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:31:49,964 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:31:50,251 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:31:50,485 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:31:50,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:50,616 INFO L93 Difference]: Finished difference Result 177 states and 220 transitions. [2020-10-13 12:31:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:31:50,617 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-13 12:31:50,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:50,618 INFO L225 Difference]: With dead ends: 177 [2020-10-13 12:31:50,619 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:31:50,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:31:50,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:31:50,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:31:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:31:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:31:50,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-13 12:31:50,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:50,624 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:31:50,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:31:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:31:50,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:31:50,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:31:50,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:31:51,790 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:31:51,910 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:31:52,042 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:52,173 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:31:52,292 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:31:52,477 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:52,643 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:52,769 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:31:52,907 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:53,024 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:31:53,176 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 7 [2020-10-13 12:31:53,324 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-10-13 12:31:53,478 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-10-13 12:31:53,629 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:53,788 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:53,938 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:54,111 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:54,297 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 14 [2020-10-13 12:31:54,316 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:31:54,316 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:31:54,316 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 12:31:54,316 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-10-13 12:31:54,316 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:31:54,316 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-10-13 12:31:54,317 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:31:54,317 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:31:54,317 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 12:31:54,317 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-10-13 12:31:54,317 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:31:54,317 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:31:54,317 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:31:54,317 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 12:31:54,318 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:31:54,318 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-10-13 12:31:54,318 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:31:54,318 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-10-13 12:31:54,318 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 650 656) the Hoare annotation is: true [2020-10-13 12:31:54,318 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 650 656) no Hoare annotation was computed. [2020-10-13 12:31:54,319 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 657 665) no Hoare annotation was computed. [2020-10-13 12:31:54,319 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 657 665) the Hoare annotation is: true [2020-10-13 12:31:54,319 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 657 665) no Hoare annotation was computed. [2020-10-13 12:31:54,319 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:54,319 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-10-13 12:31:54,319 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:54,320 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:54,320 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-10-13 12:31:54,320 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-10-13 12:31:54,320 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-10-13 12:31:54,320 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-13 12:31:54,320 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:54,321 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:54,321 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:54,321 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-13 12:31:54,321 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-13 12:31:54,321 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-10-13 12:31:54,321 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-13 12:31:54,321 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-13 12:31:54,322 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-13 12:31:54,322 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-10-13 12:31:54,322 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-10-13 12:31:54,322 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-10-13 12:31:54,322 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-13 12:31:54,322 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-13 12:31:54,322 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-13 12:31:54,323 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-13 12:31:54,323 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-13 12:31:54,323 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-13 12:31:54,323 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-13 12:31:54,323 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-10-13 12:31:54,323 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 847 855) no Hoare annotation was computed. [2020-10-13 12:31:54,323 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 847 855) the Hoare annotation is: true [2020-10-13 12:31:54,323 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 847 855) no Hoare annotation was computed. [2020-10-13 12:31:54,324 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 892 910) the Hoare annotation is: true [2020-10-13 12:31:54,324 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 892 910) no Hoare annotation was computed. [2020-10-13 12:31:54,324 INFO L268 CegarLoopResult]: For program point L901(lines 901 905) no Hoare annotation was computed. [2020-10-13 12:31:54,324 INFO L271 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: true [2020-10-13 12:31:54,324 INFO L268 CegarLoopResult]: For program point L901-2(lines 901 905) no Hoare annotation was computed. [2020-10-13 12:31:54,324 INFO L268 CegarLoopResult]: For program point L899-1(line 899) no Hoare annotation was computed. [2020-10-13 12:31:54,324 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 892 910) no Hoare annotation was computed. [2020-10-13 12:31:54,325 INFO L268 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2020-10-13 12:31:54,325 INFO L268 CegarLoopResult]: For program point L863-2(lines 863 871) no Hoare annotation was computed. [2020-10-13 12:31:54,325 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-10-13 12:31:54,325 INFO L268 CegarLoopResult]: For program point L886-1(line 886) no Hoare annotation was computed. [2020-10-13 12:31:54,325 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 856 891) no Hoare annotation was computed. [2020-10-13 12:31:54,325 INFO L268 CegarLoopResult]: For program point L875(lines 875 883) no Hoare annotation was computed. [2020-10-13 12:31:54,325 INFO L268 CegarLoopResult]: For program point L875-2(lines 875 883) no Hoare annotation was computed. [2020-10-13 12:31:54,325 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 856 891) no Hoare annotation was computed. [2020-10-13 12:31:54,326 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 856 891) no Hoare annotation was computed. [2020-10-13 12:31:54,326 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 643 649) no Hoare annotation was computed. [2020-10-13 12:31:54,326 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 643 649) the Hoare annotation is: true [2020-10-13 12:31:54,326 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:31:54,326 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:31:54,326 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:31:54,326 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-10-13 12:31:54,326 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:31:54,327 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:31:54,327 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:31:54,327 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:31:54,327 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:31:54,327 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:54,327 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-10-13 12:31:54,327 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-10-13 12:31:54,327 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 836 846) the Hoare annotation is: true [2020-10-13 12:31:54,328 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 836 846) no Hoare annotation was computed. [2020-10-13 12:31:54,328 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-10-13 12:31:54,328 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-10-13 12:31:54,328 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 836 846) no Hoare annotation was computed. [2020-10-13 12:31:54,328 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 828 835) the Hoare annotation is: true [2020-10-13 12:31:54,328 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 828 835) no Hoare annotation was computed. [2020-10-13 12:31:54,328 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 828 835) no Hoare annotation was computed. [2020-10-13 12:31:54,329 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:54,329 INFO L268 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-10-13 12:31:54,329 INFO L268 CegarLoopResult]: For program point L799(lines 799 816) no Hoare annotation was computed. [2020-10-13 12:31:54,329 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 795 819) no Hoare annotation was computed. [2020-10-13 12:31:54,329 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 795 819) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:54,329 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:54,329 INFO L268 CegarLoopResult]: For program point L814-1(lines 795 819) no Hoare annotation was computed. [2020-10-13 12:31:54,330 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:54,330 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:54,330 INFO L268 CegarLoopResult]: For program point L803(lines 803 811) no Hoare annotation was computed. [2020-10-13 12:31:54,330 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 761 767) no Hoare annotation was computed. [2020-10-13 12:31:54,330 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 761 767) the Hoare annotation is: true [2020-10-13 12:31:54,330 INFO L264 CegarLoopResult]: At program point testENTRY(lines 667 730) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:31:54,330 INFO L268 CegarLoopResult]: For program point testFINAL(lines 667 730) no Hoare annotation was computed. [2020-10-13 12:31:54,330 INFO L264 CegarLoopResult]: At program point L723(lines 676 724) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:54,331 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-10-13 12:31:54,331 INFO L264 CegarLoopResult]: At program point L713-2(lines 707 718) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:54,331 INFO L268 CegarLoopResult]: For program point L678(lines 677 722) no Hoare annotation was computed. [2020-10-13 12:31:54,331 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-10-13 12:31:54,331 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:54,331 INFO L268 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-10-13 12:31:54,331 INFO L268 CegarLoopResult]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2020-10-13 12:31:54,332 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:54,332 INFO L264 CegarLoopResult]: At program point L720(lines 677 722) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-13 12:31:54,332 INFO L268 CegarLoopResult]: For program point L687(lines 687 693) no Hoare annotation was computed. [2020-10-13 12:31:54,332 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2020-10-13 12:31:54,332 INFO L268 CegarLoopResult]: For program point L679(lines 679 683) no Hoare annotation was computed. [2020-10-13 12:31:54,332 INFO L268 CegarLoopResult]: For program point testEXIT(lines 667 730) no Hoare annotation was computed. [2020-10-13 12:31:54,332 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:31:54,332 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:31:54,332 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:31:54,333 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-10-13 12:31:54,333 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:31:54,333 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:31:54,333 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 622 630) no Hoare annotation was computed. [2020-10-13 12:31:54,333 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 622 630) the Hoare annotation is: true [2020-10-13 12:31:54,333 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 622 630) no Hoare annotation was computed. [2020-10-13 12:31:54,333 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 590 612) no Hoare annotation was computed. [2020-10-13 12:31:54,333 INFO L268 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-10-13 12:31:54,334 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 590 612) no Hoare annotation was computed. [2020-10-13 12:31:54,334 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 590 612) no Hoare annotation was computed. [2020-10-13 12:31:54,334 INFO L268 CegarLoopResult]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2020-10-13 12:31:54,334 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-10-13 12:31:54,334 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:31:54,334 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-10-13 12:31:54,334 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-13 12:31:54,334 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-13 12:31:54,335 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-10-13 12:31:54,335 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:31:54,335 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-10-13 12:31:54,335 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:31:54,335 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-10-13 12:31:54,335 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:31:54,335 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-10-13 12:31:54,335 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-10-13 12:31:54,335 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:31:54,336 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-13 12:31:54,336 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-13 12:31:54,336 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 633 642) no Hoare annotation was computed. [2020-10-13 12:31:54,336 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 633 642) no Hoare annotation was computed. [2020-10-13 12:31:54,336 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 633 642) no Hoare annotation was computed. [2020-10-13 12:31:54,336 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:31:54,337 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:31:54,337 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:31:54,337 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 820 827) no Hoare annotation was computed. [2020-10-13 12:31:54,337 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 820 827) no Hoare annotation was computed. [2020-10-13 12:31:54,337 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 820 827) no Hoare annotation was computed. [2020-10-13 12:31:54,337 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 613 621) no Hoare annotation was computed. [2020-10-13 12:31:54,337 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 613 621) no Hoare annotation was computed. [2020-10-13 12:31:54,338 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 613 621) no Hoare annotation was computed. [2020-10-13 12:31:54,338 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:31:54,338 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:31:54,338 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:31:54,338 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-10-13 12:31:54,338 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 569 580) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:31:54,338 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-10-13 12:31:54,338 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 581 589) the Hoare annotation is: true [2020-10-13 12:31:54,339 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 581 589) no Hoare annotation was computed. [2020-10-13 12:31:54,339 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 581 589) no Hoare annotation was computed. [2020-10-13 12:31:54,339 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 737 760) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:54,339 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:54,339 INFO L264 CegarLoopResult]: At program point L748(lines 748 754) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:54,339 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 737 760) no Hoare annotation was computed. [2020-10-13 12:31:54,339 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:54,340 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 737 760) no Hoare annotation was computed. [2020-10-13 12:31:54,340 INFO L268 CegarLoopResult]: For program point L741(lines 740 759) no Hoare annotation was computed. [2020-10-13 12:31:54,340 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-13 12:31:54,340 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-10-13 12:31:54,340 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-10-13 12:31:54,340 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-10-13 12:31:54,340 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-10-13 12:31:54,340 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-10-13 12:31:54,341 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-10-13 12:31:54,341 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-13 12:31:54,341 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-10-13 12:31:54,341 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-10-13 12:31:54,341 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 545 556) the Hoare annotation is: true [2020-10-13 12:31:54,341 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 545 556) no Hoare annotation was computed. [2020-10-13 12:31:54,341 INFO L268 CegarLoopResult]: For program point L549-1(lines 545 556) no Hoare annotation was computed. [2020-10-13 12:31:54,341 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-10-13 12:31:54,342 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-10-13 12:31:54,342 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:31:54,342 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-13 12:31:54,342 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:31:54,342 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:31:54,342 INFO L268 CegarLoopResult]: For program point L561-1(lines 557 568) no Hoare annotation was computed. [2020-10-13 12:31:54,342 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 557 568) no Hoare annotation was computed. [2020-10-13 12:31:54,342 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 557 568) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-13 12:31:54,343 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 912 919) no Hoare annotation was computed. [2020-10-13 12:31:54,343 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2020-10-13 12:31:54,343 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2020-10-13 12:31:54,343 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2020-10-13 12:31:54,343 INFO L268 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2020-10-13 12:31:54,343 INFO L268 CegarLoopResult]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2020-10-13 12:31:54,343 INFO L271 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: true [2020-10-13 12:31:54,344 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-10-13 12:31:54,344 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2020-10-13 12:31:54,344 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2020-10-13 12:31:54,344 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-13 12:31:54,344 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-10-13 12:31:54,344 INFO L271 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: true [2020-10-13 12:31:54,344 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-10-13 12:31:54,345 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 769 793) no Hoare annotation was computed. [2020-10-13 12:31:54,345 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 769 793) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:54,345 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-13 12:31:54,345 INFO L268 CegarLoopResult]: For program point L788-1(lines 769 793) no Hoare annotation was computed. [2020-10-13 12:31:54,345 INFO L264 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:54,345 INFO L264 CegarLoopResult]: At program point L779(line 779) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:54,345 INFO L268 CegarLoopResult]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-10-13 12:31:54,346 INFO L264 CegarLoopResult]: At program point L775(line 775) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-13 12:31:54,346 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-10-13 12:31:54,346 INFO L268 CegarLoopResult]: For program point L773(lines 773 790) no Hoare annotation was computed. [2020-10-13 12:31:54,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:31:54 BoogieIcfgContainer [2020-10-13 12:31:54,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:31:54,365 INFO L168 Benchmark]: Toolchain (without parser) took 23149.96 ms. Allocated memory was 138.9 MB in the beginning and 641.2 MB in the end (delta: 502.3 MB). Free memory was 101.1 MB in the beginning and 516.9 MB in the end (delta: -415.8 MB). Peak memory consumption was 525.2 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:54,366 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:31:54,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.76 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 168.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:54,368 INFO L168 Benchmark]: Boogie Preprocessor took 85.26 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 164.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:54,369 INFO L168 Benchmark]: RCFGBuilder took 1126.12 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.5 MB in the beginning and 194.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:54,370 INFO L168 Benchmark]: TraceAbstraction took 21249.48 ms. Allocated memory was 233.8 MB in the beginning and 641.2 MB in the end (delta: 407.4 MB). Free memory was 194.4 MB in the beginning and 516.9 MB in the end (delta: -322.5 MB). Peak memory consumption was 523.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:31:54,374 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.76 ms. Allocated memory was 138.9 MB in the beginning and 201.9 MB in the end (delta: 62.9 MB). Free memory was 100.9 MB in the beginning and 168.6 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.26 ms. Allocated memory is still 201.9 MB. Free memory was 168.6 MB in the beginning and 164.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1126.12 ms. Allocated memory was 201.9 MB in the beginning and 233.8 MB in the end (delta: 32.0 MB). Free memory was 164.5 MB in the beginning and 194.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21249.48 ms. Allocated memory was 233.8 MB in the beginning and 641.2 MB in the end (delta: 407.4 MB). Free memory was 194.4 MB in the beginning and 516.9 MB in the end (delta: -322.5 MB). Peak memory consumption was 523.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: 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: 676]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 285 SDtfs, 289 SDslu, 101 SDs, 0 SdLazy, 536 SolverSat, 153 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, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred 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, 56 LocationsWithAnnotation, 186 PreInvPairs, 200 NumberOfFragments, 499 HoareAnnotationTreeSize, 186 FomulaSimplifications, 2268 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 56 FomulaSimplificationsInter, 4970 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.8s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 34128 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...