/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:36:28,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:36:28,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:36:28,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:36:28,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:36:28,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:36:28,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:36:28,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:36:28,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:36:28,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:36:28,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:36:28,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:36:28,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:36:28,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:36:28,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:36:28,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:36:28,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:36:28,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:36:28,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:36:28,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:36:28,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:36:28,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:36:28,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:36:28,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:36:28,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:36:28,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:36:28,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:36:28,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:36:28,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:36:28,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:36:28,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:36:28,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:36:28,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:36:28,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:36:28,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:36:28,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:36:28,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:36:28,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:36:28,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:36:28,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:36:28,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:36:28,928 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 01:36:28,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:36:28,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:36:28,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:36:28,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:36:28,965 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:36:28,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:36:28,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:36:28,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:36:28,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:36:28,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:36:28,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:36:28,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:36:28,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:36:28,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:36:28,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:36:28,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:36:28,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:36:28,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:36:28,969 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:36:28,969 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:36:28,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:36:28,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:36:28,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:36:28,970 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:36:28,970 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:36:28,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:36:28,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:36:28,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:36:28,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:36:28,971 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:36:29,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:36:29,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:36:29,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:36:29,298 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:36:29,299 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:36:29,300 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-10-15 01:36:29,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af9b612c3/b85070536ae64443a14a98e910eda7df/FLAG622da2dc4 [2020-10-15 01:36:29,862 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:36:29,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-10-15 01:36:29,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af9b612c3/b85070536ae64443a14a98e910eda7df/FLAG622da2dc4 [2020-10-15 01:36:30,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af9b612c3/b85070536ae64443a14a98e910eda7df [2020-10-15 01:36:30,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:36:30,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:36:30,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:36:30,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:36:30,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:36:30,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:36:30" (1/1) ... [2020-10-15 01:36:30,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9a5625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30, skipping insertion in model container [2020-10-15 01:36:30,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:36:30" (1/1) ... [2020-10-15 01:36:30,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:36:30,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:36:30,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:36:30,711 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:36:30,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:36:30,866 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:36:30,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30 WrapperNode [2020-10-15 01:36:30,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:36:30,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:36:30,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:36:30,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:36:30,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30" (1/1) ... [2020-10-15 01:36:30,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30" (1/1) ... [2020-10-15 01:36:30,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30" (1/1) ... [2020-10-15 01:36:30,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30" (1/1) ... [2020-10-15 01:36:30,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30" (1/1) ... [2020-10-15 01:36:30,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30" (1/1) ... [2020-10-15 01:36:30,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30" (1/1) ... [2020-10-15 01:36:30,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:36:30,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:36:30,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:36:30,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:36:30,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:36:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:36:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:36:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:36:31,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:36:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:36:31,022 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:36:31,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:36:31,023 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:36:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:36:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:36:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:36:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:36:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:36:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:36:31,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:36:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-15 01:36:31,025 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:36:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:36:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:36:31,026 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:36:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:36:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:36:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:36:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:36:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:36:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:36:31,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:36:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:36:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:36:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:36:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:36:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:36:31,030 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:36:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:36:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:36:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:36:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:36:31,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-15 01:36:31,032 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-15 01:36:31,033 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-15 01:36:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:36:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:36:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:36:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:36:31,034 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:36:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:36:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-15 01:36:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-15 01:36:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:36:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:36:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:36:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:36:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:36:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:36:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:36:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:36:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:36:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-15 01:36:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:36:31,038 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:36:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:36:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:36:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:36:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:36:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:36:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:36:31,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:36:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:36:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:36:31,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:36:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:36:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:36:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:36:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:36:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:36:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-15 01:36:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:36:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:36:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:36:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:36:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-15 01:36:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:36:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:36:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:36:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:36:32,078 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:36:32,079 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:36:32,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:36:32 BoogieIcfgContainer [2020-10-15 01:36:32,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:36:32,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:36:32,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:36:32,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:36:32,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:36:30" (1/3) ... [2020-10-15 01:36:32,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c58ee28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:36:32, skipping insertion in model container [2020-10-15 01:36:32,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:36:30" (2/3) ... [2020-10-15 01:36:32,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c58ee28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:36:32, skipping insertion in model container [2020-10-15 01:36:32,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:36:32" (3/3) ... [2020-10-15 01:36:32,092 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2020-10-15 01:36:32,103 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:36:32,111 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:36:32,124 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:36:32,149 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:36:32,150 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:36:32,150 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:36:32,150 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:36:32,150 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:36:32,150 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:36:32,151 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:36:32,151 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:36:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-15 01:36:32,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:36:32,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:36:32,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:36:32,184 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:36:32,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:36:32,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1678806906, now seen corresponding path program 1 times [2020-10-15 01:36:32,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:36:32,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221387968] [2020-10-15 01:36:32,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:36:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:32,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:32,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:33,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:33,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:34,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:37,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:37,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:36:37,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:36:37,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-15 01:36:37,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:37,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:37,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:36:37,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:36:37,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 01:36:37,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-10-15 01:36:37,941 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:36:37,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:36:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:37,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:38,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:38,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:38,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:38,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 01:36:38,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:38,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:38,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:36:38,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:36:38,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:36:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:38,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:38,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:38,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:38,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:38,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 01:36:38,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:38,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:38,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:38,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:38,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:36:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:38,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:38,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:38,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:38,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:38,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:38,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:38,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:38,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:38,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:38,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:38,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:38,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:36:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:38,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:38,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:38,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:38,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:36:38,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:38,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:38,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:38,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:36:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:38,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:38,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:38,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:38,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:38,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:36:38,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:38,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:38,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:38,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:38,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:36:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:38,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:38,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:38,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:38,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:38,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:36:38,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:38,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:38,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:38,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:38,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:38,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:38,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 01:36:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:38,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:38,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:38,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:38,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:38,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:36:38,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:38,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:38,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:36:38,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:36:38,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:36:38,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:36:38,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 01:36:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:38,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:38,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:38,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:38,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:38,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:38,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:38,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:38,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:36:38,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:36:38,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:36:38,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:36:38,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221387968] [2020-10-15 01:36:38,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:36:38,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 01:36:38,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648385018] [2020-10-15 01:36:38,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 01:36:38,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:36:38,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 01:36:38,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 01:36:38,263 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 5 states. [2020-10-15 01:36:38,713 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:36:40,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:36:40,473 INFO L93 Difference]: Finished difference Result 382 states and 507 transitions. [2020-10-15 01:36:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 01:36:40,475 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-10-15 01:36:40,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:36:40,492 INFO L225 Difference]: With dead ends: 382 [2020-10-15 01:36:40,493 INFO L226 Difference]: Without dead ends: 253 [2020-10-15 01:36:40,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:36:40,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-15 01:36:40,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 200. [2020-10-15 01:36:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-15 01:36:40,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 241 transitions. [2020-10-15 01:36:40,662 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 241 transitions. Word has length 51 [2020-10-15 01:36:40,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:36:40,663 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 241 transitions. [2020-10-15 01:36:40,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 01:36:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 241 transitions. [2020-10-15 01:36:40,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-15 01:36:40,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:36:40,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:36:40,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:36:40,677 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:36:40,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:36:40,677 INFO L82 PathProgramCache]: Analyzing trace with hash 459664395, now seen corresponding path program 1 times [2020-10-15 01:36:40,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:36:40,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529314371] [2020-10-15 01:36:40,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:36:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:40,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:41,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:41,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:42,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:42,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:45,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:45,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-15 01:36:45,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:36:45,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 01:36:45,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:45,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 01:36:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:36:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-15 01:36:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,092 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:36:46,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:36:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:46,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-15 01:36:46,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:46,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:46,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:36:46,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:36:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:46,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:36:46,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:46,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:36:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:46,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:36:46,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:46,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:46,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:36:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:46,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:46,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:46,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:46,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:46,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:36:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:46,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:36:46,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:46,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:46,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:36:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:46,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:46,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:46,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:36:46,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:36:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:36:46,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:46,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:46,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:46,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 01:36:46,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:36:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:46,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:36:46,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:36:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:36:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-15 01:36:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:46,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:36:46,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:36:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:46,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:46,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 01:36:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:46,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:46,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:46,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:46,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:46,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:36:46,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:46,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:36:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:36:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:36:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:36:46,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529314371] [2020-10-15 01:36:46,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:36:46,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 01:36:46,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056359847] [2020-10-15 01:36:46,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 01:36:46,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:36:46,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 01:36:46,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-15 01:36:46,370 INFO L87 Difference]: Start difference. First operand 200 states and 241 transitions. Second operand 9 states. [2020-10-15 01:36:46,792 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:36:47,978 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:36:48,297 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-15 01:36:48,584 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:36:48,904 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:36:50,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:36:50,177 INFO L93 Difference]: Finished difference Result 701 states and 978 transitions. [2020-10-15 01:36:50,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:36:50,180 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-15 01:36:50,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:36:50,195 INFO L225 Difference]: With dead ends: 701 [2020-10-15 01:36:50,195 INFO L226 Difference]: Without dead ends: 496 [2020-10-15 01:36:50,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-15 01:36:50,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2020-10-15 01:36:50,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 337. [2020-10-15 01:36:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-10-15 01:36:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 408 transitions. [2020-10-15 01:36:50,317 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 408 transitions. Word has length 65 [2020-10-15 01:36:50,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:36:50,318 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 408 transitions. [2020-10-15 01:36:50,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 01:36:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 408 transitions. [2020-10-15 01:36:50,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-15 01:36:50,320 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:36:50,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:36:50,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:36:50,320 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:36:50,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:36:50,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1017707479, now seen corresponding path program 1 times [2020-10-15 01:36:50,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:36:50,322 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957203426] [2020-10-15 01:36:50,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:36:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:50,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:50,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:50,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:51,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:54,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:54,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-15 01:36:54,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:36:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4196 [2020-10-15 01:36:54,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:54,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:36:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:36:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-15 01:36:54,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:54,822 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:36:54,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:36:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:54,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:54,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:54,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:54,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:54,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-15 01:36:54,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:54,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:54,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:36:54,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:54,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:36:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:54,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:54,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:54,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:54,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:54,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 01:36:54,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:54,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:54,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:54,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:54,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:54,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:54,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:36:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:54,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:54,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:54,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:54,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:36:54,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:54,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:54,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:54,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:54,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:54,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:36:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:54,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:54,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:54,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:54,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:54,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:36:54,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:54,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:54,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:54,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:54,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:36:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:54,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:54,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:54,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:36:54,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:54,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:36:54,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:54,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:54,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:54,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:36:54,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:55,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 01:36:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:55,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:55,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:55,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:55,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:36:55,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:55,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:55,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:55,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-15 01:36:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:55,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:55,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:55,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:55,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:55,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:55,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:55,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:55,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:55,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 01:36:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:55,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:55,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:55,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:55,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:36:55,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:36:55,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:36:55,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:55,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:55,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:36:55,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:36:55,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 01:36:55,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:55,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-15 01:36:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:55,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:55,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:55,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:55,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:55,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:36:55,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:55,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:55,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:36:55,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:55,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:55,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:55,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 01:36:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:36:55,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:36:55,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:36:55,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:36:55,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:36:55,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:36:55,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:36:55,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:36:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:36:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:36:55,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:36:55,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:36:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:36:55,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957203426] [2020-10-15 01:36:55,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:36:55,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 01:36:55,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931800762] [2020-10-15 01:36:55,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 01:36:55,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:36:55,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 01:36:55,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-15 01:36:55,135 INFO L87 Difference]: Start difference. First operand 337 states and 408 transitions. Second operand 11 states. [2020-10-15 01:36:55,522 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:36:56,769 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-10-15 01:36:57,047 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:36:57,312 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-10-15 01:36:57,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:36:57,701 INFO L93 Difference]: Finished difference Result 664 states and 900 transitions. [2020-10-15 01:36:57,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 01:36:57,702 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 66 [2020-10-15 01:36:57,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:36:57,703 INFO L225 Difference]: With dead ends: 664 [2020-10-15 01:36:57,703 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 01:36:57,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-15 01:36:57,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 01:36:57,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 01:36:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 01:36:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 01:36:57,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-10-15 01:36:57,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:36:57,711 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 01:36:57,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 01:36:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 01:36:57,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 01:36:57,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:36:57,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 01:37:01,856 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:02,026 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:02,215 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:02,372 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:37:02,554 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:02,929 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:37:03,260 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-10-15 01:37:03,565 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:03,866 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-10-15 01:37:04,099 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:37:04,573 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 19 [2020-10-15 01:37:04,730 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-10-15 01:37:05,183 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:37:05,495 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-10-15 01:37:05,725 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:06,028 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:06,196 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:06,533 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2020-10-15 01:37:06,887 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-15 01:37:07,043 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:07,370 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-15 01:37:07,516 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-10-15 01:37:07,676 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:07,848 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-10-15 01:37:08,020 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-10-15 01:37:08,509 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-10-15 01:37:08,841 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 11 [2020-10-15 01:37:09,164 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 8 [2020-10-15 01:37:09,168 INFO L268 CegarLoopResult]: For program point L414(lines 391 415) no Hoare annotation was computed. [2020-10-15 01:37:09,168 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 367 422) no Hoare annotation was computed. [2020-10-15 01:37:09,168 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-10-15 01:37:09,168 INFO L268 CegarLoopResult]: For program point L398-1(lines 398 402) no Hoare annotation was computed. [2020-10-15 01:37:09,168 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-10-15 01:37:09,168 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 367 422) no Hoare annotation was computed. [2020-10-15 01:37:09,168 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 413) no Hoare annotation was computed. [2020-10-15 01:37:09,168 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 367 422) no Hoare annotation was computed. [2020-10-15 01:37:09,168 INFO L268 CegarLoopResult]: For program point L449-2(lines 449 474) no Hoare annotation was computed. [2020-10-15 01:37:09,169 INFO L268 CegarLoopResult]: For program point L475(lines 448 476) no Hoare annotation was computed. [2020-10-15 01:37:09,169 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 423 482) no Hoare annotation was computed. [2020-10-15 01:37:09,169 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-15 01:37:09,169 INFO L268 CegarLoopResult]: For program point L468-1(line 468) no Hoare annotation was computed. [2020-10-15 01:37:09,169 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 423 482) no Hoare annotation was computed. [2020-10-15 01:37:09,169 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 423 482) no Hoare annotation was computed. [2020-10-15 01:37:09,169 INFO L268 CegarLoopResult]: For program point L455(lines 455 459) no Hoare annotation was computed. [2020-10-15 01:37:09,169 INFO L268 CegarLoopResult]: For program point L455-1(lines 455 459) no Hoare annotation was computed. [2020-10-15 01:37:09,169 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-15 01:37:09,170 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 103 109) the Hoare annotation is: true [2020-10-15 01:37:09,170 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 103 109) no Hoare annotation was computed. [2020-10-15 01:37:09,170 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 110 118) no Hoare annotation was computed. [2020-10-15 01:37:09,170 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 110 118) the Hoare annotation is: true [2020-10-15 01:37:09,170 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 110 118) no Hoare annotation was computed. [2020-10-15 01:37:09,170 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 291 313) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,170 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 291 313) no Hoare annotation was computed. [2020-10-15 01:37:09,171 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,171 INFO L264 CegarLoopResult]: At program point L303-1(line 303) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,171 INFO L268 CegarLoopResult]: For program point L301(lines 301 308) no Hoare annotation was computed. [2020-10-15 01:37:09,171 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 291 313) no Hoare annotation was computed. [2020-10-15 01:37:09,171 INFO L268 CegarLoopResult]: For program point L301-1(lines 301 308) no Hoare annotation was computed. [2020-10-15 01:37:09,171 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-10-15 01:37:09,171 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,172 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,172 INFO L264 CegarLoopResult]: At program point L297-1(line 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,172 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-10-15 01:37:09,172 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-10-15 01:37:09,172 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 248 271) no Hoare annotation was computed. [2020-10-15 01:37:09,172 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-10-15 01:37:09,173 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-10-15 01:37:09,173 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-10-15 01:37:09,173 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 248 271) no Hoare annotation was computed. [2020-10-15 01:37:09,173 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 248 271) no Hoare annotation was computed. [2020-10-15 01:37:09,173 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-10-15 01:37:09,173 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-10-15 01:37:09,173 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-10-15 01:37:09,173 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-10-15 01:37:09,174 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-10-15 01:37:09,174 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-10-15 01:37:09,174 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-10-15 01:37:09,174 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-10-15 01:37:09,174 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-10-15 01:37:09,174 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2020-10-15 01:37:09,174 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:09,174 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-10-15 01:37:09,175 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-15 01:37:09,175 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2020-10-15 01:37:09,175 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2020-10-15 01:37:09,175 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2020-10-15 01:37:09,175 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2020-10-15 01:37:09,175 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2020-10-15 01:37:09,175 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-10-15 01:37:09,175 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-10-15 01:37:09,176 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-10-15 01:37:09,177 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2020-10-15 01:37:09,177 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2020-10-15 01:37:09,177 INFO L268 CegarLoopResult]: For program point L866(lines 866 874) no Hoare annotation was computed. [2020-10-15 01:37:09,177 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 96 102) no Hoare annotation was computed. [2020-10-15 01:37:09,177 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 96 102) the Hoare annotation is: true [2020-10-15 01:37:09,177 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 321 366) no Hoare annotation was computed. [2020-10-15 01:37:09,177 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 321 366) no Hoare annotation was computed. [2020-10-15 01:37:09,177 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 321 366) no Hoare annotation was computed. [2020-10-15 01:37:09,177 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 634 679) no Hoare annotation was computed. [2020-10-15 01:37:09,178 INFO L268 CegarLoopResult]: For program point L654(lines 654 661) no Hoare annotation was computed. [2020-10-15 01:37:09,178 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 634 679) no Hoare annotation was computed. [2020-10-15 01:37:09,178 INFO L268 CegarLoopResult]: For program point L648(lines 648 668) no Hoare annotation was computed. [2020-10-15 01:37:09,178 INFO L268 CegarLoopResult]: For program point L648-1(lines 648 668) no Hoare annotation was computed. [2020-10-15 01:37:09,178 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 634 679) no Hoare annotation was computed. [2020-10-15 01:37:09,178 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 280 290) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,178 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 280 290) no Hoare annotation was computed. [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 280 290) no Hoare annotation was computed. [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 839 849) no Hoare annotation was computed. [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2020-10-15 01:37:09,179 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2020-10-15 01:37:09,179 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 798 822) no Hoare annotation was computed. [2020-10-15 01:37:09,180 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 798 822) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:09,180 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:09,180 INFO L268 CegarLoopResult]: For program point L817-1(lines 798 822) no Hoare annotation was computed. [2020-10-15 01:37:09,180 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:09,180 INFO L264 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:09,180 INFO L268 CegarLoopResult]: For program point L806(lines 806 814) no Hoare annotation was computed. [2020-10-15 01:37:09,180 INFO L264 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-15 01:37:09,180 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-10-15 01:37:09,180 INFO L268 CegarLoopResult]: For program point L802(lines 802 819) no Hoare annotation was computed. [2020-10-15 01:37:09,180 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 790 796) no Hoare annotation was computed. [2020-10-15 01:37:09,181 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 790 796) the Hoare annotation is: true [2020-10-15 01:37:09,181 INFO L268 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2020-10-15 01:37:09,181 INFO L264 CegarLoopResult]: At program point testENTRY(lines 692 759) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,181 INFO L268 CegarLoopResult]: For program point testFINAL(lines 692 759) no Hoare annotation was computed. [2020-10-15 01:37:09,181 INFO L264 CegarLoopResult]: At program point L752(lines 701 753) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= ~methaneLevelCritical~0 0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,181 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,181 INFO L268 CegarLoopResult]: For program point L740(lines 740 746) no Hoare annotation was computed. [2020-10-15 01:37:09,181 INFO L264 CegarLoopResult]: At program point L740-1(lines 732 747) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,181 INFO L268 CegarLoopResult]: For program point L703(lines 702 751) no Hoare annotation was computed. [2020-10-15 01:37:09,181 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,182 INFO L268 CegarLoopResult]: For program point L732(lines 732 747) no Hoare annotation was computed. [2020-10-15 01:37:09,182 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,182 INFO L268 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-10-15 01:37:09,182 INFO L268 CegarLoopResult]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2020-10-15 01:37:09,182 INFO L264 CegarLoopResult]: At program point L749(lines 702 751) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,182 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-15 01:37:09,182 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-10-15 01:37:09,182 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-10-15 01:37:09,182 INFO L268 CegarLoopResult]: For program point testEXIT(lines 692 759) no Hoare annotation was computed. [2020-10-15 01:37:09,182 INFO L268 CegarLoopResult]: For program point L608(lines 608 615) no Hoare annotation was computed. [2020-10-15 01:37:09,183 INFO L268 CegarLoopResult]: For program point L602(lines 602 622) no Hoare annotation was computed. [2020-10-15 01:37:09,183 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 588 633) no Hoare annotation was computed. [2020-10-15 01:37:09,183 INFO L268 CegarLoopResult]: For program point L602-1(lines 602 622) no Hoare annotation was computed. [2020-10-15 01:37:09,183 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 588 633) no Hoare annotation was computed. [2020-10-15 01:37:09,183 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 588 633) no Hoare annotation was computed. [2020-10-15 01:37:09,183 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 205 213) no Hoare annotation was computed. [2020-10-15 01:37:09,183 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 205 213) the Hoare annotation is: true [2020-10-15 01:37:09,183 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 205 213) no Hoare annotation was computed. [2020-10-15 01:37:09,183 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-10-15 01:37:09,184 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-10-15 01:37:09,184 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-10-15 01:37:09,184 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-10-15 01:37:09,184 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-10-15 01:37:09,184 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-10-15 01:37:09,184 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:09,184 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-10-15 01:37:09,185 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:09,185 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-10-15 01:37:09,185 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-15 01:37:09,185 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-15 01:37:09,185 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-10-15 01:37:09,185 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-10-15 01:37:09,185 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 173 195) no Hoare annotation was computed. [2020-10-15 01:37:09,185 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 173 195) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 173 195) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 86 95) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 86 95) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 86 95) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 485 587) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point L574(lines 574 581) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point L535(lines 534 554) no Hoare annotation was computed. [2020-10-15 01:37:09,186 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-10-15 01:37:09,187 INFO L268 CegarLoopResult]: For program point L566-1(line 566) no Hoare annotation was computed. [2020-10-15 01:37:09,187 INFO L268 CegarLoopResult]: For program point L531(lines 531 572) no Hoare annotation was computed. [2020-10-15 01:37:09,187 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-15 01:37:09,187 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 485 587) no Hoare annotation was computed. [2020-10-15 01:37:09,187 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-10-15 01:37:09,187 INFO L268 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-10-15 01:37:09,187 INFO L268 CegarLoopResult]: For program point L573(lines 573 584) no Hoare annotation was computed. [2020-10-15 01:37:09,187 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-10-15 01:37:09,187 INFO L268 CegarLoopResult]: For program point L534-2(lines 534 554) no Hoare annotation was computed. [2020-10-15 01:37:09,188 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 485 587) no Hoare annotation was computed. [2020-10-15 01:37:09,188 INFO L268 CegarLoopResult]: For program point L555(lines 533 556) no Hoare annotation was computed. [2020-10-15 01:37:09,188 INFO L268 CegarLoopResult]: For program point L514(lines 514 530) no Hoare annotation was computed. [2020-10-15 01:37:09,188 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:09,188 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-15 01:37:09,188 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:09,189 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 823 830) no Hoare annotation was computed. [2020-10-15 01:37:09,189 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 823 830) no Hoare annotation was computed. [2020-10-15 01:37:09,189 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 823 830) no Hoare annotation was computed. [2020-10-15 01:37:09,189 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 196 204) no Hoare annotation was computed. [2020-10-15 01:37:09,189 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 196 204) no Hoare annotation was computed. [2020-10-15 01:37:09,189 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 196 204) no Hoare annotation was computed. [2020-10-15 01:37:09,189 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 152 163) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-15 01:37:09,189 INFO L268 CegarLoopResult]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2020-10-15 01:37:09,189 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 152 163) no Hoare annotation was computed. [2020-10-15 01:37:09,190 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:09,190 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-15 01:37:09,190 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:09,190 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 164 172) the Hoare annotation is: true [2020-10-15 01:37:09,190 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 164 172) no Hoare annotation was computed. [2020-10-15 01:37:09,190 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 164 172) no Hoare annotation was computed. [2020-10-15 01:37:09,190 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 766 789) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:09,190 INFO L264 CegarLoopResult]: At program point L779(line 779) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1)))) [2020-10-15 01:37:09,191 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 766 789) no Hoare annotation was computed. [2020-10-15 01:37:09,191 INFO L264 CegarLoopResult]: At program point L777(lines 777 783) the Hoare annotation is: (let ((.cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:09,191 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 766 789) no Hoare annotation was computed. [2020-10-15 01:37:09,191 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (and (or (not (= ~methaneLevelCritical~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-10-15 01:37:09,191 INFO L268 CegarLoopResult]: For program point L770(lines 769 788) no Hoare annotation was computed. [2020-10-15 01:37:09,191 INFO L264 CegarLoopResult]: At program point L227-2(lines 227 241) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:37:09,191 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 217 246) no Hoare annotation was computed. [2020-10-15 01:37:09,192 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:09,192 INFO L268 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-10-15 01:37:09,192 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 217 246) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or .cse0 (not (= |old(~pumpRunning~0)| 0))))) [2020-10-15 01:37:09,192 INFO L271 CegarLoopResult]: At program point L242(lines 217 246) the Hoare annotation is: true [2020-10-15 01:37:09,192 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-10-15 01:37:09,192 INFO L268 CegarLoopResult]: For program point L231(lines 231 235) no Hoare annotation was computed. [2020-10-15 01:37:09,192 INFO L264 CegarLoopResult]: At program point L231-1(lines 231 235) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-15 01:37:09,193 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-10-15 01:37:09,193 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 128 139) the Hoare annotation is: true [2020-10-15 01:37:09,193 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 128 139) no Hoare annotation was computed. [2020-10-15 01:37:09,193 INFO L268 CegarLoopResult]: For program point L132-1(lines 128 139) no Hoare annotation was computed. [2020-10-15 01:37:09,193 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 272 278) no Hoare annotation was computed. [2020-10-15 01:37:09,193 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 272 278) the Hoare annotation is: true [2020-10-15 01:37:09,193 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 01:37:09,194 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-15 01:37:09,194 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 01:37:09,194 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 01:37:09,194 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 929 936) no Hoare annotation was computed. [2020-10-15 01:37:09,194 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 929 936) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-15 01:37:09,194 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 929 936) no Hoare annotation was computed. [2020-10-15 01:37:09,194 INFO L268 CegarLoopResult]: For program point L144-1(lines 140 151) no Hoare annotation was computed. [2020-10-15 01:37:09,194 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 140 151) no Hoare annotation was computed. [2020-10-15 01:37:09,195 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 140 151) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-15 01:37:09,195 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 681 688) no Hoare annotation was computed. [2020-10-15 01:37:09,195 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2020-10-15 01:37:09,195 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 681 688) the Hoare annotation is: true [2020-10-15 01:37:09,195 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 681 688) no Hoare annotation was computed. [2020-10-15 01:37:09,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:37:09 BoogieIcfgContainer [2020-10-15 01:37:09,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:37:09,215 INFO L168 Benchmark]: Toolchain (without parser) took 39053.40 ms. Allocated memory was 147.3 MB in the beginning and 711.5 MB in the end (delta: 564.1 MB). Free memory was 102.5 MB in the beginning and 620.4 MB in the end (delta: -517.9 MB). Peak memory consumption was 552.4 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:09,216 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-15 01:37:09,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.25 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 102.5 MB in the beginning and 172.6 MB in the end (delta: -70.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:09,218 INFO L168 Benchmark]: Boogie Preprocessor took 86.03 ms. Allocated memory is still 205.0 MB. Free memory was 172.6 MB in the beginning and 168.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:09,219 INFO L168 Benchmark]: RCFGBuilder took 1130.00 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.7 MB in the beginning and 193.9 MB in the end (delta: -25.2 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:09,220 INFO L168 Benchmark]: TraceAbstraction took 37128.23 ms. Allocated memory was 234.9 MB in the beginning and 711.5 MB in the end (delta: 476.6 MB). Free memory was 192.2 MB in the beginning and 620.4 MB in the end (delta: -428.1 MB). Peak memory consumption was 554.6 MB. Max. memory is 7.1 GB. [2020-10-15 01:37:09,224 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 147.3 MB. Free memory was 121.9 MB in the beginning and 121.4 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.25 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 102.5 MB in the beginning and 172.6 MB in the end (delta: -70.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.03 ms. Allocated memory is still 205.0 MB. Free memory was 172.6 MB in the beginning and 168.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1130.00 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 168.7 MB in the beginning and 193.9 MB in the end (delta: -25.2 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37128.23 ms. Allocated memory was 234.9 MB in the beginning and 711.5 MB in the end (delta: 476.6 MB). Free memory was 192.2 MB in the beginning and 620.4 MB in the end (delta: -428.1 MB). Peak memory consumption was 554.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 685]: 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: 227]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || methaneLevelCritical == 0) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 8.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 315 SDtfs, 876 SDslu, 444 SDs, 0 SdLazy, 1675 SolverSat, 714 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=337occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 212 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 527 PreInvPairs, 702 NumberOfFragments, 885 HoareAnnotationTreeSize, 527 FomulaSimplifications, 77714 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 56 FomulaSimplificationsInter, 15964 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.1s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 58483 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...