/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:41:55,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:41:55,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:41:55,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:41:55,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:41:55,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:41:55,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:41:55,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:41:55,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:41:55,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:41:55,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:41:55,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:41:55,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:41:55,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:41:55,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:41:55,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:41:55,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:41:55,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:41:55,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:41:55,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:41:55,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:41:55,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:41:55,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:41:55,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:41:55,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:41:55,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:41:55,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:41:55,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:41:55,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:41:55,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:41:55,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:41:55,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:41:55,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:41:55,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:41:55,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:41:55,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:41:55,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:41:55,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:41:55,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:41:55,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:41:55,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:41:55,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:41:55,938 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:41:55,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:41:55,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:41:55,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:41:55,943 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:41:55,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:41:55,943 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:41:55,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:41:55,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:41:55,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:41:55,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:41:55,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:41:55,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:41:55,945 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:41:55,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:41:55,945 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:41:55,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:41:55,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:41:55,946 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:41:55,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:41:55,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:41:55,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:41:55,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:41:55,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:41:55,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:41:55,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:41:55,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:55,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:41:55,948 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:41:55,949 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:41:56,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:41:56,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:41:56,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:41:56,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:41:56,240 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:41:56,242 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2020-07-21 15:41:56,316 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19b48c1ee/af29abf12a69449dbe3316f5284a6157/FLAGf3d261f6f [2020-07-21 15:41:56,900 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:41:56,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2020-07-21 15:41:56,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19b48c1ee/af29abf12a69449dbe3316f5284a6157/FLAGf3d261f6f [2020-07-21 15:41:57,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19b48c1ee/af29abf12a69449dbe3316f5284a6157 [2020-07-21 15:41:57,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:41:57,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:41:57,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:41:57,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:41:57,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:41:57,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:41:57" (1/1) ... [2020-07-21 15:41:57,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b034ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57, skipping insertion in model container [2020-07-21 15:41:57,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:41:57" (1/1) ... [2020-07-21 15:41:57,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:41:57,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:41:57,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:41:57,726 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:41:57,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:41:57,851 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:41:57,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57 WrapperNode [2020-07-21 15:41:57,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:41:57,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:41:57,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:41:57,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:41:57,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57" (1/1) ... [2020-07-21 15:41:57,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57" (1/1) ... [2020-07-21 15:41:57,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57" (1/1) ... [2020-07-21 15:41:57,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57" (1/1) ... [2020-07-21 15:41:57,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57" (1/1) ... [2020-07-21 15:41:57,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57" (1/1) ... [2020-07-21 15:41:57,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57" (1/1) ... [2020-07-21 15:41:57,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:41:57,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:41:57,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:41:57,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:41:57,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-21 15:41:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:41:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:41:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:41:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:41:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:41:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:41:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:41:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:41:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:41:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:41:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:41:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:41:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-21 15:41:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:41:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:41:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:41:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:41:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:41:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 15:41:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:41:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:41:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:41:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:41:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:41:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:41:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:41:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:41:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:41:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:41:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:41:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:41:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:41:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:41:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:41:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:41:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:41:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-21 15:41:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:41:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:41:58,022 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:41:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:41:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:41:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:41:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:41:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:41:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:41:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:41:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 15:41:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:41:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:41:58,025 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:41:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:41:58,026 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:41:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:41:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:41:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:41:58,027 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:41:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:41:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-21 15:41:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:41:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 15:41:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:41:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-21 15:41:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:41:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:41:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:41:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:41:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:41:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:41:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:41:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:41:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:41:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:41:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:41:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:41:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:41:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:41:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:41:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:41:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:41:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:41:58,035 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:41:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:41:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:41:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:41:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:41:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:41:58,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:41:59,154 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:41:59,154 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:41:59,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:41:59 BoogieIcfgContainer [2020-07-21 15:41:59,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:41:59,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:41:59,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:41:59,164 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:41:59,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:41:57" (1/3) ... [2020-07-21 15:41:59,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c55215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:41:59, skipping insertion in model container [2020-07-21 15:41:59,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:41:57" (2/3) ... [2020-07-21 15:41:59,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c55215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:41:59, skipping insertion in model container [2020-07-21 15:41:59,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:41:59" (3/3) ... [2020-07-21 15:41:59,168 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2020-07-21 15:41:59,179 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:41:59,188 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:41:59,203 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:41:59,229 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:41:59,229 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:41:59,229 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:41:59,229 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:41:59,230 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:41:59,230 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:41:59,230 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:41:59,230 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:41:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-07-21 15:41:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 15:41:59,271 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:59,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:41:59,273 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:41:59,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:41:59,278 INFO L82 PathProgramCache]: Analyzing trace with hash 143568661, now seen corresponding path program 1 times [2020-07-21 15:41:59,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:41:59,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [158919523] [2020-07-21 15:41:59,285 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:41:59,739 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:41:59,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:41:59,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:41:59,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:41:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:41:59,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:41:59,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [158919523] [2020-07-21 15:41:59,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:41:59,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:41:59,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825601618] [2020-07-21 15:41:59,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:41:59,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:41:59,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:41:59,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:41:59,811 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2020-07-21 15:41:59,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:41:59,852 INFO L93 Difference]: Finished difference Result 216 states and 269 transitions. [2020-07-21 15:41:59,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:41:59,854 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 15:41:59,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:41:59,867 INFO L225 Difference]: With dead ends: 216 [2020-07-21 15:41:59,868 INFO L226 Difference]: Without dead ends: 108 [2020-07-21 15:41:59,872 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:41:59,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-21 15:41:59,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2020-07-21 15:41:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-21 15:41:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2020-07-21 15:41:59,925 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 46 [2020-07-21 15:41:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:41:59,925 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2020-07-21 15:41:59,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:41:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2020-07-21 15:41:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 15:41:59,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:41:59,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:42:00,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:00,144 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:00,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:00,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1665995157, now seen corresponding path program 1 times [2020-07-21 15:42:00,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:00,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051719826] [2020-07-21 15:42:00,147 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:00,487 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:00,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:00,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:42:00,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:00,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:00,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051719826] [2020-07-21 15:42:00,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:00,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:42:00,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771358569] [2020-07-21 15:42:00,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:42:00,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:00,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:42:00,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:42:00,552 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2020-07-21 15:42:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:00,586 INFO L93 Difference]: Finished difference Result 159 states and 183 transitions. [2020-07-21 15:42:00,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:42:00,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 15:42:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:00,592 INFO L225 Difference]: With dead ends: 159 [2020-07-21 15:42:00,592 INFO L226 Difference]: Without dead ends: 99 [2020-07-21 15:42:00,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:42:00,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-21 15:42:00,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-21 15:42:00,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-21 15:42:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-07-21 15:42:00,622 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 47 [2020-07-21 15:42:00,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:00,623 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-07-21 15:42:00,623 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:42:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-07-21 15:42:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 15:42:00,629 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:00,629 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] [2020-07-21 15:42:00,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:00,847 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:00,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:00,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1977159256, now seen corresponding path program 1 times [2020-07-21 15:42:00,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:00,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407853748] [2020-07-21 15:42:00,849 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:01,145 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:01,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:01,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:42:01,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:01,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:01,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:01,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407853748] [2020-07-21 15:42:01,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:01,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:42:01,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899456704] [2020-07-21 15:42:01,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:42:01,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:01,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:42:01,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:42:01,191 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 3 states. [2020-07-21 15:42:01,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:01,217 INFO L93 Difference]: Finished difference Result 247 states and 294 transitions. [2020-07-21 15:42:01,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:42:01,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 15:42:01,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:01,221 INFO L225 Difference]: With dead ends: 247 [2020-07-21 15:42:01,221 INFO L226 Difference]: Without dead ends: 172 [2020-07-21 15:42:01,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:42:01,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-21 15:42:01,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2020-07-21 15:42:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-21 15:42:01,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 199 transitions. [2020-07-21 15:42:01,246 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 199 transitions. Word has length 51 [2020-07-21 15:42:01,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:01,246 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 199 transitions. [2020-07-21 15:42:01,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:42:01,247 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 199 transitions. [2020-07-21 15:42:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 15:42:01,249 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:01,249 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] [2020-07-21 15:42:01,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:01,464 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:01,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:01,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1061912152, now seen corresponding path program 1 times [2020-07-21 15:42:01,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:01,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067103694] [2020-07-21 15:42:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:01,766 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:01,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:01,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 15:42:01,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:01,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:01,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067103694] [2020-07-21 15:42:01,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:01,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:42:01,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496295712] [2020-07-21 15:42:01,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:42:01,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:01,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:42:01,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:42:01,857 INFO L87 Difference]: Start difference. First operand 168 states and 199 transitions. Second operand 6 states. [2020-07-21 15:42:02,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:02,109 INFO L93 Difference]: Finished difference Result 437 states and 541 transitions. [2020-07-21 15:42:02,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:42:02,110 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 15:42:02,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:02,114 INFO L225 Difference]: With dead ends: 437 [2020-07-21 15:42:02,115 INFO L226 Difference]: Without dead ends: 293 [2020-07-21 15:42:02,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:42:02,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-07-21 15:42:02,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2020-07-21 15:42:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-07-21 15:42:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 356 transitions. [2020-07-21 15:42:02,153 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 356 transitions. Word has length 57 [2020-07-21 15:42:02,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:02,153 INFO L479 AbstractCegarLoop]: Abstraction has 293 states and 356 transitions. [2020-07-21 15:42:02,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:42:02,153 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 356 transitions. [2020-07-21 15:42:02,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 15:42:02,156 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:02,156 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] [2020-07-21 15:42:02,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:02,370 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:02,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:02,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1238507602, now seen corresponding path program 1 times [2020-07-21 15:42:02,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:02,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140228233] [2020-07-21 15:42:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:02,668 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:02,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:02,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:42:02,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:02,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:02,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140228233] [2020-07-21 15:42:02,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:02,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:42:02,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4333221] [2020-07-21 15:42:02,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:42:02,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:02,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:42:02,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:42:02,740 INFO L87 Difference]: Start difference. First operand 293 states and 356 transitions. Second operand 6 states. [2020-07-21 15:42:02,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:02,880 INFO L93 Difference]: Finished difference Result 380 states and 471 transitions. [2020-07-21 15:42:02,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:42:02,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-21 15:42:02,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:02,881 INFO L225 Difference]: With dead ends: 380 [2020-07-21 15:42:02,881 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:42:02,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:42:02,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:42:02,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:42:02,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:42:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:42:02,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-07-21 15:42:02,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:02,886 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:42:02,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:42:02,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:42:02,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:42:03,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:03,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:42:03,906 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-07-21 15:42:03,906 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2020-07-21 15:42:03,906 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 15:42:03,906 INFO L268 CegarLoopResult]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2020-07-21 15:42:03,906 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2020-07-21 15:42:03,907 INFO L268 CegarLoopResult]: For program point L431(lines 408 432) no Hoare annotation was computed. [2020-07-21 15:42:03,907 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2020-07-21 15:42:03,907 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2020-07-21 15:42:03,907 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-21 15:42:03,907 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-07-21 15:42:03,907 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2020-07-21 15:42:03,907 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 15:42:03,908 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2020-07-21 15:42:03,908 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2020-07-21 15:42:03,908 INFO L268 CegarLoopResult]: For program point L492(lines 465 493) no Hoare annotation was computed. [2020-07-21 15:42:03,908 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2020-07-21 15:42:03,908 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 15:42:03,908 INFO L268 CegarLoopResult]: For program point L485-1(line 485) no Hoare annotation was computed. [2020-07-21 15:42:03,909 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 15:42:03,909 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 15:42:03,909 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 15:42:03,909 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 15:42:03,909 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 15:42:03,909 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 875 899) the Hoare annotation is: true [2020-07-21 15:42:03,910 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:42:03,910 INFO L268 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-07-21 15:42:03,910 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 15:42:03,910 INFO L268 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2020-07-21 15:42:03,910 INFO L268 CegarLoopResult]: For program point L883(lines 883 896) no Hoare annotation was computed. [2020-07-21 15:42:03,910 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 875 899) no Hoare annotation was computed. [2020-07-21 15:42:03,910 INFO L268 CegarLoopResult]: For program point L883-1(lines 875 899) no Hoare annotation was computed. [2020-07-21 15:42:03,910 INFO L271 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: true [2020-07-21 15:42:03,911 INFO L268 CegarLoopResult]: For program point L881-1(line 881) no Hoare annotation was computed. [2020-07-21 15:42:03,911 INFO L264 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,911 INFO L264 CegarLoopResult]: At program point L863-1(line 863) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,911 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 851 873) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,911 INFO L268 CegarLoopResult]: For program point L861(lines 861 868) no Hoare annotation was computed. [2020-07-21 15:42:03,911 INFO L268 CegarLoopResult]: For program point L861-1(lines 861 868) no Hoare annotation was computed. [2020-07-21 15:42:03,912 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-21 15:42:03,912 INFO L264 CegarLoopResult]: At program point L858(line 858) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,912 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,912 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 851 873) no Hoare annotation was computed. [2020-07-21 15:42:03,912 INFO L264 CegarLoopResult]: At program point L857-1(line 857) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,912 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 851 873) no Hoare annotation was computed. [2020-07-21 15:42:03,913 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 810 833) no Hoare annotation was computed. [2020-07-21 15:42:03,913 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 810 833) no Hoare annotation was computed. [2020-07-21 15:42:03,913 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-21 15:42:03,913 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 810 833) no Hoare annotation was computed. [2020-07-21 15:42:03,913 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-21 15:42:03,913 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-21 15:42:03,913 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-21 15:42:03,914 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-21 15:42:03,914 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-21 15:42:03,914 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-21 15:42:03,914 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-21 15:42:03,914 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-21 15:42:03,914 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-21 15:42:03,914 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-21 15:42:03,915 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-21 15:42:03,915 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-07-21 15:42:03,915 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-07-21 15:42:03,915 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 200) no Hoare annotation was computed. [2020-07-21 15:42:03,915 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 194 200) the Hoare annotation is: true [2020-07-21 15:42:03,915 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 316 330) no Hoare annotation was computed. [2020-07-21 15:42:03,915 INFO L268 CegarLoopResult]: For program point L320(lines 320 326) no Hoare annotation was computed. [2020-07-21 15:42:03,916 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 316 330) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)))) [2020-07-21 15:42:03,916 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 316 330) no Hoare annotation was computed. [2020-07-21 15:42:03,916 INFO L264 CegarLoopResult]: At program point L322(line 322) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 15:42:03,916 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 227 234) no Hoare annotation was computed. [2020-07-21 15:42:03,916 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 227 234) no Hoare annotation was computed. [2020-07-21 15:42:03,916 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 227 234) no Hoare annotation was computed. [2020-07-21 15:42:03,916 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 271 279) no Hoare annotation was computed. [2020-07-21 15:42:03,917 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 271 279) the Hoare annotation is: true [2020-07-21 15:42:03,917 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 271 279) no Hoare annotation was computed. [2020-07-21 15:42:03,917 INFO L268 CegarLoopResult]: For program point L287(lines 287 295) no Hoare annotation was computed. [2020-07-21 15:42:03,917 INFO L268 CegarLoopResult]: For program point L287-2(lines 287 295) no Hoare annotation was computed. [2020-07-21 15:42:03,917 INFO L268 CegarLoopResult]: For program point L310(line 310) no Hoare annotation was computed. [2020-07-21 15:42:03,917 INFO L268 CegarLoopResult]: For program point L310-1(line 310) no Hoare annotation was computed. [2020-07-21 15:42:03,917 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 280 315) no Hoare annotation was computed. [2020-07-21 15:42:03,918 INFO L268 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-07-21 15:42:03,918 INFO L268 CegarLoopResult]: For program point L299-2(lines 299 307) no Hoare annotation was computed. [2020-07-21 15:42:03,918 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 280 315) no Hoare annotation was computed. [2020-07-21 15:42:03,918 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 280 315) no Hoare annotation was computed. [2020-07-21 15:42:03,918 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 15:42:03,918 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 15:42:03,918 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2020-07-21 15:42:03,919 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2020-07-21 15:42:03,919 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2020-07-21 15:42:03,919 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-07-21 15:42:03,919 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2020-07-21 15:42:03,919 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-07-21 15:42:03,919 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-07-21 15:42:03,919 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2020-07-21 15:42:03,920 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2020-07-21 15:42:03,920 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 841 850) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,920 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 841 850) no Hoare annotation was computed. [2020-07-21 15:42:03,920 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 841 850) no Hoare annotation was computed. [2020-07-21 15:42:03,920 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 260 270) the Hoare annotation is: true [2020-07-21 15:42:03,920 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 260 270) no Hoare annotation was computed. [2020-07-21 15:42:03,920 INFO L271 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: true [2020-07-21 15:42:03,921 INFO L268 CegarLoopResult]: For program point L265-1(line 265) no Hoare annotation was computed. [2020-07-21 15:42:03,921 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 260 270) no Hoare annotation was computed. [2020-07-21 15:42:03,921 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 252 259) the Hoare annotation is: true [2020-07-21 15:42:03,921 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2020-07-21 15:42:03,921 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 252 259) no Hoare annotation was computed. [2020-07-21 15:42:03,921 INFO L264 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:42:03,921 INFO L268 CegarLoopResult]: For program point L221-1(lines 202 226) no Hoare annotation was computed. [2020-07-21 15:42:03,922 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 15:42:03,922 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 202 226) no Hoare annotation was computed. [2020-07-21 15:42:03,922 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 15:42:03,922 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 202 226) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:42:03,922 INFO L268 CegarLoopResult]: For program point L210(lines 210 218) no Hoare annotation was computed. [2020-07-21 15:42:03,922 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 15:42:03,922 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-07-21 15:42:03,923 INFO L268 CegarLoopResult]: For program point L206(lines 206 223) no Hoare annotation was computed. [2020-07-21 15:42:03,923 INFO L264 CegarLoopResult]: At program point testENTRY(lines 92 157) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,923 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,923 INFO L268 CegarLoopResult]: For program point L122(lines 122 128) no Hoare annotation was computed. [2020-07-21 15:42:03,923 INFO L268 CegarLoopResult]: For program point L122-1(lines 122 128) no Hoare annotation was computed. [2020-07-21 15:42:03,923 INFO L268 CegarLoopResult]: For program point testFINAL(lines 92 157) no Hoare annotation was computed. [2020-07-21 15:42:03,923 INFO L264 CegarLoopResult]: At program point L147(lines 102 149) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,924 INFO L264 CegarLoopResult]: At program point L114(line 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,924 INFO L268 CegarLoopResult]: For program point L112(lines 112 118) no Hoare annotation was computed. [2020-07-21 15:42:03,924 INFO L268 CegarLoopResult]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2020-07-21 15:42:03,924 INFO L268 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-07-21 15:42:03,924 INFO L264 CegarLoopResult]: At program point L150(lines 101 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,924 INFO L264 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,924 INFO L268 CegarLoopResult]: For program point L138(lines 138 144) no Hoare annotation was computed. [2020-07-21 15:42:03,924 INFO L264 CegarLoopResult]: At program point L138-1(lines 132 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:03,925 INFO L268 CegarLoopResult]: For program point L103(lines 102 149) no Hoare annotation was computed. [2020-07-21 15:42:03,925 INFO L268 CegarLoopResult]: For program point L132(lines 132 145) no Hoare annotation was computed. [2020-07-21 15:42:03,925 INFO L268 CegarLoopResult]: For program point testEXIT(lines 92 157) no Hoare annotation was computed. [2020-07-21 15:42:03,925 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2020-07-21 15:42:03,925 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2020-07-21 15:42:03,925 INFO L268 CegarLoopResult]: For program point L625(lines 625 632) no Hoare annotation was computed. [2020-07-21 15:42:03,925 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2020-07-21 15:42:03,925 INFO L268 CegarLoopResult]: For program point L619(lines 619 639) no Hoare annotation was computed. [2020-07-21 15:42:03,925 INFO L268 CegarLoopResult]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2020-07-21 15:42:03,926 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2020-07-21 15:42:03,926 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 746 768) no Hoare annotation was computed. [2020-07-21 15:42:03,926 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 746 768) no Hoare annotation was computed. [2020-07-21 15:42:03,926 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 746 768) no Hoare annotation was computed. [2020-07-21 15:42:03,926 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-07-21 15:42:03,926 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 15:42:03,926 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 15:42:03,926 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 15:42:03,927 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2020-07-21 15:42:03,927 INFO L268 CegarLoopResult]: For program point L572(lines 550 573) no Hoare annotation was computed. [2020-07-21 15:42:03,927 INFO L268 CegarLoopResult]: For program point L531(lines 531 547) no Hoare annotation was computed. [2020-07-21 15:42:03,927 INFO L268 CegarLoopResult]: For program point L591(lines 591 598) no Hoare annotation was computed. [2020-07-21 15:42:03,927 INFO L268 CegarLoopResult]: For program point L552(lines 551 571) no Hoare annotation was computed. [2020-07-21 15:42:03,927 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-21 15:42:03,927 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-07-21 15:42:03,927 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2020-07-21 15:42:03,927 INFO L268 CegarLoopResult]: For program point L548(lines 548 589) no Hoare annotation was computed. [2020-07-21 15:42:03,928 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-21 15:42:03,928 INFO L268 CegarLoopResult]: For program point L567-1(line 567) no Hoare annotation was computed. [2020-07-21 15:42:03,928 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2020-07-21 15:42:03,928 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-07-21 15:42:03,928 INFO L268 CegarLoopResult]: For program point L590(lines 590 601) no Hoare annotation was computed. [2020-07-21 15:42:03,928 INFO L268 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-07-21 15:42:03,928 INFO L268 CegarLoopResult]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2020-07-21 15:42:03,928 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:42:03,929 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:42:03,929 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:42:03,929 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-21 15:42:03,929 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-21 15:42:03,929 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 235 251) no Hoare annotation was computed. [2020-07-21 15:42:03,929 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 235 251) no Hoare annotation was computed. [2020-07-21 15:42:03,929 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-07-21 15:42:03,929 INFO L268 CegarLoopResult]: For program point L246-1(lines 235 251) no Hoare annotation was computed. [2020-07-21 15:42:03,930 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-07-21 15:42:03,930 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 769 777) the Hoare annotation is: true [2020-07-21 15:42:03,930 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 769 777) no Hoare annotation was computed. [2020-07-21 15:42:03,930 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 769 777) no Hoare annotation was computed. [2020-07-21 15:42:03,930 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 725 736) the Hoare annotation is: true [2020-07-21 15:42:03,930 INFO L268 CegarLoopResult]: For program point L729-1(lines 725 736) no Hoare annotation was computed. [2020-07-21 15:42:03,930 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 725 736) no Hoare annotation was computed. [2020-07-21 15:42:03,930 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:42:03,931 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:42:03,931 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:42:03,931 INFO L264 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:42:03,931 INFO L264 CegarLoopResult]: At program point L181(lines 181 187) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:42:03,931 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:42:03,931 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 170 193) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:42:03,932 INFO L268 CegarLoopResult]: For program point L174(lines 173 192) no Hoare annotation was computed. [2020-07-21 15:42:03,932 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 170 193) no Hoare annotation was computed. [2020-07-21 15:42:03,932 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 170 193) no Hoare annotation was computed. [2020-07-21 15:42:03,932 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-21 15:42:03,932 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 780 809) no Hoare annotation was computed. [2020-07-21 15:42:03,932 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 780 809) the Hoare annotation is: true [2020-07-21 15:42:03,932 INFO L268 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2020-07-21 15:42:03,932 INFO L271 CegarLoopResult]: At program point L794-1(lines 794 798) the Hoare annotation is: true [2020-07-21 15:42:03,932 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-21 15:42:03,933 INFO L271 CegarLoopResult]: At program point L790-2(lines 790 804) the Hoare annotation is: true [2020-07-21 15:42:03,933 INFO L271 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: true [2020-07-21 15:42:03,933 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-07-21 15:42:03,933 INFO L271 CegarLoopResult]: At program point L805(lines 780 809) the Hoare annotation is: true [2020-07-21 15:42:03,933 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 737 745) the Hoare annotation is: true [2020-07-21 15:42:03,933 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 737 745) no Hoare annotation was computed. [2020-07-21 15:42:03,933 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 737 745) no Hoare annotation was computed. [2020-07-21 15:42:03,933 INFO L268 CegarLoopResult]: For program point L705-1(lines 701 712) no Hoare annotation was computed. [2020-07-21 15:42:03,934 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 701 712) the Hoare annotation is: true [2020-07-21 15:42:03,934 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 701 712) no Hoare annotation was computed. [2020-07-21 15:42:03,934 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 834 840) no Hoare annotation was computed. [2020-07-21 15:42:03,934 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 834 840) the Hoare annotation is: true [2020-07-21 15:42:03,934 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:42:03,934 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 15:42:03,935 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:42:03,935 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:42:03,935 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 713 724) no Hoare annotation was computed. [2020-07-21 15:42:03,935 INFO L268 CegarLoopResult]: For program point L717-1(lines 713 724) no Hoare annotation was computed. [2020-07-21 15:42:03,935 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 713 724) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 15:42:03,935 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-07-21 15:42:03,936 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-21 15:42:03,936 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-07-21 15:42:03,936 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-07-21 15:42:03,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:42:03 BoogieIcfgContainer [2020-07-21 15:42:03,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:42:03,956 INFO L168 Benchmark]: Toolchain (without parser) took 6766.02 ms. Allocated memory was 146.8 MB in the beginning and 282.6 MB in the end (delta: 135.8 MB). Free memory was 102.2 MB in the beginning and 112.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 125.7 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:03,957 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 15:42:03,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.41 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 174.6 MB in the end (delta: -72.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:03,959 INFO L168 Benchmark]: Boogie Preprocessor took 89.03 ms. Allocated memory is still 205.0 MB. Free memory was 174.6 MB in the beginning and 170.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:03,960 INFO L168 Benchmark]: RCFGBuilder took 1217.49 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.7 MB in the beginning and 198.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:03,961 INFO L168 Benchmark]: TraceAbstraction took 4793.22 ms. Allocated memory was 235.9 MB in the beginning and 282.6 MB in the end (delta: 46.7 MB). Free memory was 198.8 MB in the beginning and 112.3 MB in the end (delta: 86.5 MB). Peak memory consumption was 133.2 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:03,965 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 146.8 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 660.41 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 174.6 MB in the end (delta: -72.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.03 ms. Allocated memory is still 205.0 MB. Free memory was 174.6 MB in the beginning and 170.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1217.49 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.7 MB in the beginning and 198.8 MB in the end (delta: -28.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4793.22 ms. Allocated memory was 235.9 MB in the beginning and 282.6 MB in the end (delta: 46.7 MB). Free memory was 198.8 MB in the beginning and 112.3 MB in the end (delta: 86.5 MB). Peak memory consumption was 133.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 593 SDtfs, 204 SDslu, 759 SDs, 0 SdLazy, 116 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=293occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 322 PreInvPairs, 337 NumberOfFragments, 521 HoareAnnotationTreeSize, 322 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 548 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25933 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3321 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...