/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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:31:32,876 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:31:32,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:31:32,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:31:32,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:31:32,914 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:31:32,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:31:32,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:31:32,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:31:32,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:31:32,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:31:32,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:31:32,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:31:32,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:31:32,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:31:32,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:31:32,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:31:32,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:31:32,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:31:32,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:31:32,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:31:32,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:31:32,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:31:32,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:31:32,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:31:32,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:31:32,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:31:32,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:31:32,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:31:32,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:31:32,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:31:32,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:31:32,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:31:32,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:31:32,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:31:32,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:31:32,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:31:32,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:31:32,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:31:32,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:31:32,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:31:32,947 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 12:31:32,969 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:31:32,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:31:32,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:31:32,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:31:32,971 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:31:32,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:31:32,971 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:31:32,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:31:32,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:31:32,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:31:32,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:31:32,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:31:32,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:31:32,972 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:31:32,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:31:32,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:31:32,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:31:32,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:31:32,973 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:31:32,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:31:32,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:31:32,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:31:32,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:31:32,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:31:32,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:31:32,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:31:32,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:31:32,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:31:32,975 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:31:32,975 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 12:31:33,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:31:33,256 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:31:33,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:31:33,264 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:31:33,264 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:31:33,265 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-10-13 12:31:33,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f800a5522/a29e2d2b0aa44a3abe344b81b1f23718/FLAG3230d8822 [2020-10-13 12:31:33,852 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:31:33,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product23.cil.c [2020-10-13 12:31:33,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f800a5522/a29e2d2b0aa44a3abe344b81b1f23718/FLAG3230d8822 [2020-10-13 12:31:34,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f800a5522/a29e2d2b0aa44a3abe344b81b1f23718 [2020-10-13 12:31:34,173 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:31:34,175 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:31:34,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:34,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:31:34,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:31:34,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:34" (1/1) ... [2020-10-13 12:31:34,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2677e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34, skipping insertion in model container [2020-10-13 12:31:34,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:31:34" (1/1) ... [2020-10-13 12:31:34,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:31:34,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:31:34,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:34,731 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:31:34,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:31:34,860 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:31:34,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34 WrapperNode [2020-10-13 12:31:34,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:31:34,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:31:34,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:31:34,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:31:34,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34" (1/1) ... [2020-10-13 12:31:34,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34" (1/1) ... [2020-10-13 12:31:34,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34" (1/1) ... [2020-10-13 12:31:34,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34" (1/1) ... [2020-10-13 12:31:34,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34" (1/1) ... [2020-10-13 12:31:34,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34" (1/1) ... [2020-10-13 12:31:34,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34" (1/1) ... [2020-10-13 12:31:34,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:31:34,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:31:34,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:31:34,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:31:34,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34" (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 12:31:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:31:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:31:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:31:35,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:31:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:31:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:31:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:31:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:31:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:31:35,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:31:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:31:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:31:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:31:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:31:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:31:35,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:31:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:31:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:31:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:31:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:31:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:31:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:31:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:31:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:31:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:31:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:31:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:31:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:31:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:31:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:31:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:31:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:31:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:31:35,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:31:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:31:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:31:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:31:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:31:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:31:35,069 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:31:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:31:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:31:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:31:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:31:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:31:35,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:31:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:31:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:31:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:31:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:31:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:31:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:31:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:31:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:31:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:31:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:31:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:31:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:31:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:31:35,072 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:31:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:31:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:31:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:31:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:31:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:31:35,073 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:31:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:31:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:31:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:31:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-13 12:31:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:31:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:31:35,074 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:31:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-13 12:31:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:31:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:31:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:31:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:31:35,075 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:31:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:31:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:31:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:31:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:31:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:31:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:31:35,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:31:35,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:31:36,165 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:31:36,166 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:31:36,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:36 BoogieIcfgContainer [2020-10-13 12:31:36,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:31:36,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:31:36,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:31:36,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:31:36,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:31:34" (1/3) ... [2020-10-13 12:31:36,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6123ad42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:36, skipping insertion in model container [2020-10-13 12:31:36,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:31:34" (2/3) ... [2020-10-13 12:31:36,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6123ad42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:31:36, skipping insertion in model container [2020-10-13 12:31:36,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:31:36" (3/3) ... [2020-10-13 12:31:36,183 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product23.cil.c [2020-10-13 12:31:36,194 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:31:36,203 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:31:36,218 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:31:36,240 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:31:36,240 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:31:36,240 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:31:36,240 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:31:36,241 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:31:36,241 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:31:36,241 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:31:36,241 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:31:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-10-13 12:31:36,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:31:36,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:36,276 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 12:31:36,277 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:36,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:36,284 INFO L82 PathProgramCache]: Analyzing trace with hash -841254379, now seen corresponding path program 1 times [2020-10-13 12:31:36,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:36,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1651838544] [2020-10-13 12:31:36,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:36,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:36,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:37,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:38,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:39,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:41,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:41,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:31:41,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:31:41,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 12:31:41,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:41,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:31:41,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:41,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 12:31:42,180 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:42,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:42,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:42,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:42,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:42,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:42,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-13 12:31:42,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:42,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:42,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:42,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:42,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:42,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:42,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:42,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:42,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:42,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:42,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:42,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:42,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:42,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:42,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:42,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:42,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:42,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:42,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:42,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:42,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:42,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:42,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:42,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:42,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:42,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:31:42,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:42,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:42,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:42,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:42,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:42,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:42,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:42,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:42,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:42,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:42,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:31:42,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:42,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:42,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:42,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:42,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:31:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:42,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:42,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:42,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:42,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:42,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:42,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:42,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:42,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:42,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:42,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:42,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:31:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:42,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:42,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:42,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:42,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:42,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:31:42,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:42,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:42,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:42,436 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 12:31:42,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1651838544] [2020-10-13 12:31:42,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:42,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:31:42,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710375877] [2020-10-13 12:31:42,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:31:42,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:42,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:31:42,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:31:42,479 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 3 states. [2020-10-13 12:31:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:44,183 INFO L93 Difference]: Finished difference Result 293 states and 389 transitions. [2020-10-13 12:31:44,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:31:44,186 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:31:44,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:44,206 INFO L225 Difference]: With dead ends: 293 [2020-10-13 12:31:44,206 INFO L226 Difference]: Without dead ends: 159 [2020-10-13 12:31:44,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:31:44,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-10-13 12:31:44,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 125. [2020-10-13 12:31:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-13 12:31:44,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2020-10-13 12:31:44,352 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 46 [2020-10-13 12:31:44,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:44,352 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2020-10-13 12:31:44,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:31:44,353 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2020-10-13 12:31:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:31:44,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:44,356 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 12:31:44,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:31:44,357 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:44,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:44,357 INFO L82 PathProgramCache]: Analyzing trace with hash 63149069, now seen corresponding path program 1 times [2020-10-13 12:31:44,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:44,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [759537240] [2020-10-13 12:31:44,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:44,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:44,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:45,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:46,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:47,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:49,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:49,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:31:49,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:31:49,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 12:31:49,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:31:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:31:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:31:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:49,680 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:49,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:49,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:49,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:49,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:49,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-13 12:31:49,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:49,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:49,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:49,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:49,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:49,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:49,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:49,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:49,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:49,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:49,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:49,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:49,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:49,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:49,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:49,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:49,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:49,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:49,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:49,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:49,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:49,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:49,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:49,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:49,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:49,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:49,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:49,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:49,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:49,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:49,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:49,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:49,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:49,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:49,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:49,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:31:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:49,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:49,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:49,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:49,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:49,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:49,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:49,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:49,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:31:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:49,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:49,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:49,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:49,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:49,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:31:49,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:49,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:31:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:49,792 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 12:31:49,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [759537240] [2020-10-13 12:31:49,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:49,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:31:49,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774020848] [2020-10-13 12:31:49,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:31:49,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:49,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:31:49,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:31:49,798 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 4 states. [2020-10-13 12:31:50,240 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:31:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:51,056 INFO L93 Difference]: Finished difference Result 220 states and 272 transitions. [2020-10-13 12:31:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:31:51,057 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:31:51,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:51,060 INFO L225 Difference]: With dead ends: 220 [2020-10-13 12:31:51,061 INFO L226 Difference]: Without dead ends: 143 [2020-10-13 12:31:51,062 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 12:31:51,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-13 12:31:51,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 116. [2020-10-13 12:31:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-13 12:31:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2020-10-13 12:31:51,105 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 47 [2020-10-13 12:31:51,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:51,105 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2020-10-13 12:31:51,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:31:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2020-10-13 12:31:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 12:31:51,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:31:51,108 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 12:31:51,108 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:31:51,108 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:31:51,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:31:51,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1536896169, now seen corresponding path program 1 times [2020-10-13 12:31:51,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:31:51,109 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762867925] [2020-10-13 12:31:51,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:31:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:51,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:51,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:51,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:51,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:54,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:54,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-13 12:31:54,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:31:54,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3393 [2020-10-13 12:31:54,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:54,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:31:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-13 12:31:54,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:31:54,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:54,907 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:54,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:31:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:54,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:54,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:54,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:54,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:54,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 12:31:54,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:54,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:54,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:54,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:31:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:54,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:54,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:54,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:54,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:54,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:54,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:54,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:54,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:54,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:31:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:54,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:55,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:55,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:55,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:55,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:55,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:55,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:55,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:55,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:55,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:31:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:55,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:55,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:55,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:55,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:55,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:55,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:55,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:55,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:31:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:55,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:55,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:55,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:31:55,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:31:55,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:31:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:31:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:55,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:31:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:55,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:55,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:55,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:55,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:55,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:31:55,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:31:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:55,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:31:55,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:31:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 12:31:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:31:55,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:31:55,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:31:55,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:31:55,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:31:55,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:31:55,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:31:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:31:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:31:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:31:55,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:31:55,087 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 12:31:55,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762867925] [2020-10-13 12:31:55,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:31:55,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:31:55,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052617281] [2020-10-13 12:31:55,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:31:55,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:31:55,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:31:55,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:31:55,096 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 7 states. [2020-10-13 12:31:55,545 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:31:56,521 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:31:56,826 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:31:57,127 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:31:57,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:31:57,214 INFO L93 Difference]: Finished difference Result 189 states and 238 transitions. [2020-10-13 12:31:57,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:31:57,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2020-10-13 12:31:57,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:31:57,216 INFO L225 Difference]: With dead ends: 189 [2020-10-13 12:31:57,216 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:31:57,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 12:31:57,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:31:57,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:31:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:31:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:31:57,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-13 12:31:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:31:57,223 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:31:57,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:31:57,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:31:57,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:31:57,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:31:57,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:31:58,298 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:31:58,440 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:31:58,589 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:31:58,758 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:31:58,920 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:31:59,139 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:31:59,273 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:31:59,452 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:31:59,607 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:31:59,754 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 10 [2020-10-13 12:31:59,892 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 9 [2020-10-13 12:32:00,048 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:00,197 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:32:00,379 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:00,558 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:00,732 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:00,914 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-13 12:32:01,123 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:32:01,281 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 13 [2020-10-13 12:32:01,285 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:32:01,285 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-10-13 12:32:01,286 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-13 12:32:01,286 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-10-13 12:32:01,286 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:32:01,286 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-10-13 12:32:01,286 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:32:01,286 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-10-13 12:32:01,287 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-13 12:32:01,287 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-10-13 12:32:01,287 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:32:01,287 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:32:01,287 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-10-13 12:32:01,287 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-13 12:32:01,288 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:32:01,288 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-10-13 12:32:01,288 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-10-13 12:32:01,288 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-10-13 12:32:01,288 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 818 824) the Hoare annotation is: true [2020-10-13 12:32:01,288 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 818 824) no Hoare annotation was computed. [2020-10-13 12:32:01,288 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 825 833) no Hoare annotation was computed. [2020-10-13 12:32:01,289 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 825 833) the Hoare annotation is: true [2020-10-13 12:32:01,289 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 825 833) no Hoare annotation was computed. [2020-10-13 12:32:01,289 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 907 929) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:01,289 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 907 929) no Hoare annotation was computed. [2020-10-13 12:32:01,289 INFO L264 CegarLoopResult]: At program point L919(line 919) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:01,289 INFO L264 CegarLoopResult]: At program point L919-1(line 919) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:01,289 INFO L268 CegarLoopResult]: For program point L917(lines 917 924) no Hoare annotation was computed. [2020-10-13 12:32:01,290 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 924) no Hoare annotation was computed. [2020-10-13 12:32:01,290 INFO L268 CegarLoopResult]: For program point L915(line 915) no Hoare annotation was computed. [2020-10-13 12:32:01,290 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:01,291 INFO L264 CegarLoopResult]: At program point L913(line 913) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:01,291 INFO L264 CegarLoopResult]: At program point L913-1(line 913) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:01,291 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 907 929) no Hoare annotation was computed. [2020-10-13 12:32:01,291 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 866 889) no Hoare annotation was computed. [2020-10-13 12:32:01,292 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 866 889) no Hoare annotation was computed. [2020-10-13 12:32:01,292 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 866 889) no Hoare annotation was computed. [2020-10-13 12:32:01,292 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-10-13 12:32:01,292 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-10-13 12:32:01,292 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-10-13 12:32:01,292 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-10-13 12:32:01,292 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-10-13 12:32:01,292 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-10-13 12:32:01,293 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-10-13 12:32:01,293 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-10-13 12:32:01,293 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-10-13 12:32:01,293 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-10-13 12:32:01,293 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-10-13 12:32:01,293 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-10-13 12:32:01,293 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-10-13 12:32:01,293 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-10-13 12:32:01,294 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 754 768) no Hoare annotation was computed. [2020-10-13 12:32:01,294 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,294 INFO L268 CegarLoopResult]: For program point L758(lines 758 764) no Hoare annotation was computed. [2020-10-13 12:32:01,294 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 754 768) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,294 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 754 768) no Hoare annotation was computed. [2020-10-13 12:32:01,294 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 690 698) no Hoare annotation was computed. [2020-10-13 12:32:01,294 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 690 698) the Hoare annotation is: true [2020-10-13 12:32:01,294 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 690 698) no Hoare annotation was computed. [2020-10-13 12:32:01,294 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 735 753) the Hoare annotation is: true [2020-10-13 12:32:01,294 INFO L268 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L271 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: true [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 735 753) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 735 753) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point L706-2(lines 706 714) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point L729-1(line 729) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 699 734) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point L718(lines 718 726) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 726) no Hoare annotation was computed. [2020-10-13 12:32:01,295 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 699 734) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 699 734) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point L706(lines 706 714) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 811 817) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 811 817) the Hoare annotation is: true [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:32:01,296 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-10-13 12:32:01,297 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 897 906) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:01,297 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 897 906) no Hoare annotation was computed. [2020-10-13 12:32:01,297 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 897 906) no Hoare annotation was computed. [2020-10-13 12:32:01,297 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 679 689) the Hoare annotation is: true [2020-10-13 12:32:01,297 INFO L271 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: true [2020-10-13 12:32:01,297 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-10-13 12:32:01,297 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 679 689) no Hoare annotation was computed. [2020-10-13 12:32:01,297 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 679 689) no Hoare annotation was computed. [2020-10-13 12:32:01,297 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 671 678) the Hoare annotation is: true [2020-10-13 12:32:01,297 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 671 678) no Hoare annotation was computed. [2020-10-13 12:32:01,297 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 671 678) no Hoare annotation was computed. [2020-10-13 12:32:01,298 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 638 662) no Hoare annotation was computed. [2020-10-13 12:32:01,298 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 638 662) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:32:01,298 INFO L264 CegarLoopResult]: At program point L657(line 657) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:32:01,298 INFO L268 CegarLoopResult]: For program point L657-1(lines 638 662) no Hoare annotation was computed. [2020-10-13 12:32:01,298 INFO L264 CegarLoopResult]: At program point L652(line 652) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,298 INFO L264 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,298 INFO L268 CegarLoopResult]: For program point L646(lines 646 654) no Hoare annotation was computed. [2020-10-13 12:32:01,299 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,299 INFO L268 CegarLoopResult]: For program point L644-1(line 644) no Hoare annotation was computed. [2020-10-13 12:32:01,299 INFO L268 CegarLoopResult]: For program point L642(lines 642 659) no Hoare annotation was computed. [2020-10-13 12:32:01,299 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 604 610) no Hoare annotation was computed. [2020-10-13 12:32:01,299 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 604 610) the Hoare annotation is: true [2020-10-13 12:32:01,299 INFO L268 CegarLoopResult]: For program point L545(lines 545 558) no Hoare annotation was computed. [2020-10-13 12:32:01,299 INFO L264 CegarLoopResult]: At program point testENTRY(lines 505 570) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:32:01,299 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:01,299 INFO L268 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2020-10-13 12:32:01,299 INFO L268 CegarLoopResult]: For program point testFINAL(lines 505 570) no Hoare annotation was computed. [2020-10-13 12:32:01,299 INFO L268 CegarLoopResult]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2020-10-13 12:32:01,300 INFO L264 CegarLoopResult]: At program point L560(lines 515 562) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:01,300 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:01,300 INFO L268 CegarLoopResult]: For program point L525(lines 525 531) no Hoare annotation was computed. [2020-10-13 12:32:01,300 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 531) no Hoare annotation was computed. [2020-10-13 12:32:01,300 INFO L268 CegarLoopResult]: For program point L517(lines 517 521) no Hoare annotation was computed. [2020-10-13 12:32:01,300 INFO L264 CegarLoopResult]: At program point L563(lines 514 564) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,300 INFO L264 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:01,300 INFO L268 CegarLoopResult]: For program point L551(lines 551 557) no Hoare annotation was computed. [2020-10-13 12:32:01,300 INFO L264 CegarLoopResult]: At program point L551-1(lines 545 558) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:32:01,300 INFO L268 CegarLoopResult]: For program point L516(lines 515 562) no Hoare annotation was computed. [2020-10-13 12:32:01,300 INFO L268 CegarLoopResult]: For program point testEXIT(lines 505 570) no Hoare annotation was computed. [2020-10-13 12:32:01,301 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:32:01,301 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:32:01,301 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-13 12:32:01,301 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-10-13 12:32:01,301 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:32:01,301 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-10-13 12:32:01,301 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-10-13 12:32:01,301 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-10-13 12:32:01,301 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-10-13 12:32:01,302 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-10-13 12:32:01,302 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-10-13 12:32:01,302 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-10-13 12:32:01,302 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-10-13 12:32:01,302 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-10-13 12:32:01,302 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-10-13 12:32:01,302 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:32:01,302 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-10-13 12:32:01,303 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-13 12:32:01,304 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-13 12:32:01,304 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 801 810) no Hoare annotation was computed. [2020-10-13 12:32:01,304 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 801 810) no Hoare annotation was computed. [2020-10-13 12:32:01,304 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 801 810) no Hoare annotation was computed. [2020-10-13 12:32:01,304 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:32:01,305 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.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)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#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~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.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)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-13 12:32:01,305 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:32:01,305 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 663 670) no Hoare annotation was computed. [2020-10-13 12:32:01,305 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 663 670) no Hoare annotation was computed. [2020-10-13 12:32:01,305 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 663 670) no Hoare annotation was computed. [2020-10-13 12:32:01,305 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-10-13 12:32:01,305 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-10-13 12:32:01,305 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-10-13 12:32:01,306 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:32:01,306 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:32:01,306 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:32:01,306 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-13 12:32:01,306 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-10-13 12:32:01,306 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-10-13 12:32:01,306 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-10-13 12:32:01,306 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-10-13 12:32:01,307 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-10-13 12:32:01,307 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,307 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 580 603) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,307 INFO L264 CegarLoopResult]: At program point L591(lines 591 597) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,307 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 580 603) no Hoare annotation was computed. [2020-10-13 12:32:01,307 INFO L264 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,308 INFO L268 CegarLoopResult]: For program point L584(lines 583 602) no Hoare annotation was computed. [2020-10-13 12:32:01,308 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 580 603) no Hoare annotation was computed. [2020-10-13 12:32:01,308 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 836 865) no Hoare annotation was computed. [2020-10-13 12:32:01,308 INFO L271 CegarLoopResult]: At program point L861(lines 836 865) the Hoare annotation is: true [2020-10-13 12:32:01,308 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 836 865) the Hoare annotation is: true [2020-10-13 12:32:01,308 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-10-13 12:32:01,308 INFO L268 CegarLoopResult]: For program point L850(lines 850 854) no Hoare annotation was computed. [2020-10-13 12:32:01,308 INFO L271 CegarLoopResult]: At program point L850-1(lines 850 854) the Hoare annotation is: true [2020-10-13 12:32:01,309 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-10-13 12:32:01,309 INFO L271 CegarLoopResult]: At program point L846-2(lines 846 860) the Hoare annotation is: true [2020-10-13 12:32:01,309 INFO L271 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: true [2020-10-13 12:32:01,309 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-10-13 12:32:01,309 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-10-13 12:32:01,309 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-10-13 12:32:01,309 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-10-13 12:32:01,310 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 890 896) no Hoare annotation was computed. [2020-10-13 12:32:01,310 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 890 896) the Hoare annotation is: true [2020-10-13 12:32:01,310 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:32:01,310 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:32:01,310 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:32:01,310 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:32:01,310 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-10-13 12:32:01,310 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-10-13 12:32:01,311 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-13 12:32:01,311 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 931 938) no Hoare annotation was computed. [2020-10-13 12:32:01,311 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 935) no Hoare annotation was computed. [2020-10-13 12:32:01,311 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 931 938) the Hoare annotation is: true [2020-10-13 12:32:01,311 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 931 938) no Hoare annotation was computed. [2020-10-13 12:32:01,311 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 771 795) the Hoare annotation is: true [2020-10-13 12:32:01,311 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 771 795) no Hoare annotation was computed. [2020-10-13 12:32:01,312 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (or (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-10-13 12:32:01,312 INFO L268 CegarLoopResult]: For program point L783(lines 783 789) no Hoare annotation was computed. [2020-10-13 12:32:01,312 INFO L271 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: true [2020-10-13 12:32:01,312 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-10-13 12:32:01,312 INFO L268 CegarLoopResult]: For program point L779(lines 779 792) no Hoare annotation was computed. [2020-10-13 12:32:01,312 INFO L268 CegarLoopResult]: For program point L779-1(lines 771 795) no Hoare annotation was computed. [2020-10-13 12:32:01,312 INFO L271 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: true [2020-10-13 12:32:01,312 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-10-13 12:32:01,313 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 612 636) no Hoare annotation was computed. [2020-10-13 12:32:01,313 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 612 636) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:32:01,313 INFO L264 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:32:01,313 INFO L268 CegarLoopResult]: For program point L631-1(lines 612 636) no Hoare annotation was computed. [2020-10-13 12:32:01,313 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,313 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,313 INFO L268 CegarLoopResult]: For program point L620(lines 620 628) no Hoare annotation was computed. [2020-10-13 12:32:01,313 INFO L264 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:32:01,314 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-10-13 12:32:01,314 INFO L268 CegarLoopResult]: For program point L616(lines 616 633) no Hoare annotation was computed. [2020-10-13 12:32:01,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:32:01 BoogieIcfgContainer [2020-10-13 12:32:01,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:32:01,333 INFO L168 Benchmark]: Toolchain (without parser) took 27158.22 ms. Allocated memory was 139.5 MB in the beginning and 633.9 MB in the end (delta: 494.4 MB). Free memory was 101.2 MB in the beginning and 315.1 MB in the end (delta: -213.8 MB). Peak memory consumption was 466.3 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:01,334 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-13 12:32:01,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.40 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 171.3 MB in the end (delta: -70.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:01,336 INFO L168 Benchmark]: Boogie Preprocessor took 92.40 ms. Allocated memory is still 202.9 MB. Free memory was 171.3 MB in the beginning and 167.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:01,337 INFO L168 Benchmark]: RCFGBuilder took 1220.65 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.3 MB in the beginning and 198.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:01,338 INFO L168 Benchmark]: TraceAbstraction took 25155.75 ms. Allocated memory was 236.5 MB in the beginning and 633.9 MB in the end (delta: 397.4 MB). Free memory was 196.6 MB in the beginning and 315.1 MB in the end (delta: -118.5 MB). Peak memory consumption was 464.7 MB. Max. memory is 7.1 GB. [2020-10-13 12:32:01,342 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.6 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.40 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 100.8 MB in the beginning and 171.3 MB in the end (delta: -70.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.40 ms. Allocated memory is still 202.9 MB. Free memory was 171.3 MB in the beginning and 167.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.65 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.3 MB in the beginning and 198.3 MB in the end (delta: -31.0 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25155.75 ms. Allocated memory was 236.5 MB in the beginning and 633.9 MB in the end (delta: 397.4 MB). Free memory was 196.6 MB in the beginning and 315.1 MB in the end (delta: -118.5 MB). Peak memory consumption was 464.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: 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: 514]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) <= 0) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 305 SDtfs, 300 SDslu, 118 SDs, 0 SdLazy, 565 SolverSat, 164 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred 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, 61 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 197 PreInvPairs, 213 NumberOfFragments, 712 HoareAnnotationTreeSize, 197 FomulaSimplifications, 2850 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 59 FomulaSimplificationsInter, 5250 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 35928 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...