/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_FUNCTIONS --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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:50:14,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:50:14,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:50:14,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:50:14,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:50:14,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:50:14,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:50:14,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:50:15,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:50:15,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:50:15,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:50:15,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:50:15,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:50:15,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:50:15,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:50:15,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:50:15,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:50:15,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:50:15,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:50:15,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:50:15,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:50:15,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:50:15,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:50:15,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:50:15,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:50:15,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:50:15,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:50:15,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:50:15,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:50:15,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:50:15,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:50:15,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:50:15,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:50:15,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:50:15,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:50:15,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:50:15,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:50:15,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:50:15,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:50:15,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:50:15,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:50:15,045 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 12:50:15,076 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:50:15,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:50:15,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:50:15,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:50:15,078 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:50:15,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:50:15,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:50:15,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:50:15,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:50:15,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:50:15,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:50:15,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:50:15,080 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:50:15,081 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:50:15,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:50:15,081 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:50:15,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:50:15,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:50:15,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:50:15,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:50:15,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:50:15,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:50:15,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:50:15,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:50:15,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:50:15,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:50:15,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:15,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:50:15,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:50:15,084 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_FUNCTIONS 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 12:50:15,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:50:15,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:50:15,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:50:15,372 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:50:15,373 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:50:15,373 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-07-21 12:50:15,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/808f1270f/1a8873ca0c584aa48ca287506468810b/FLAGb95a59daa [2020-07-21 12:50:15,926 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:50:15,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-07-21 12:50:15,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/808f1270f/1a8873ca0c584aa48ca287506468810b/FLAGb95a59daa [2020-07-21 12:50:16,317 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/808f1270f/1a8873ca0c584aa48ca287506468810b [2020-07-21 12:50:16,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:50:16,327 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:50:16,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:50:16,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:50:16,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:50:16,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:16,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28149ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16, skipping insertion in model container [2020-07-21 12:50:16,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:16,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:50:16,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:50:16,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:50:16,837 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:50:16,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:50:16,938 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:50:16,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16 WrapperNode [2020-07-21 12:50:16,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:50:16,939 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:50:16,939 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:50:16,939 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:50:16,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:16,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:16,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:16,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:17,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:17,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:17,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:17,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:50:17,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:50:17,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:50:17,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:50:17,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16" (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 12:50:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:50:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:50:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:50:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:50:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:50:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:50:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:50:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:50:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:50:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:50:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:50:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:50:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:50:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:50:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:50:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:50:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:50:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:50:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 12:50:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:50:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:50:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 12:50:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:50:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-21 12:50:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:50:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:50:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:50:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:50:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:50:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 12:50:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:50:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:50:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:50:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:50:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:50:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:50:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:50:17,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:50:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:50:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:50:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:50:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:50:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:50:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:50:17,094 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:50:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:50:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:50:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:50:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:50:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:50:17,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:50:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:50:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:50:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:50:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:50:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:50:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:50:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:50:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:50:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:50:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:50:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 12:50:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:50:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:50:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 12:50:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:50:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-21 12:50:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:50:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-21 12:50:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:50:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:50:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:50:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:50:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:50:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:50:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:50:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:50:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:50:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:50:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:50:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:50:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:50:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:50:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:50:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:50:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:50:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:50:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:50:18,102 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:50:18,102 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:50:18,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:18 BoogieIcfgContainer [2020-07-21 12:50:18,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:50:18,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:50:18,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:50:18,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:50:18,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:50:16" (1/3) ... [2020-07-21 12:50:18,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cebdd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:18, skipping insertion in model container [2020-07-21 12:50:18,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16" (2/3) ... [2020-07-21 12:50:18,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69cebdd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:18, skipping insertion in model container [2020-07-21 12:50:18,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:18" (3/3) ... [2020-07-21 12:50:18,115 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2020-07-21 12:50:18,126 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:50:18,133 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:50:18,147 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:50:18,174 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:50:18,174 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:50:18,174 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:50:18,174 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:50:18,175 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:50:18,175 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:50:18,175 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:50:18,175 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:50:18,195 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2020-07-21 12:50:18,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 12:50:18,204 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:18,204 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 12:50:18,205 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:18,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:18,210 INFO L82 PathProgramCache]: Analyzing trace with hash 178766383, now seen corresponding path program 1 times [2020-07-21 12:50:18,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:18,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474244869] [2020-07-21 12:50:18,218 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 12:50:18,593 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:18,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:18,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:50:18,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:18,645 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 12:50:18,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:18,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474244869] [2020-07-21 12:50:18,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:18,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:50:18,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843303295] [2020-07-21 12:50:18,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:50:18,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:18,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:50:18,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:50:18,671 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2020-07-21 12:50:18,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:18,714 INFO L93 Difference]: Finished difference Result 210 states and 265 transitions. [2020-07-21 12:50:18,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:50:18,716 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 12:50:18,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:18,730 INFO L225 Difference]: With dead ends: 210 [2020-07-21 12:50:18,730 INFO L226 Difference]: Without dead ends: 105 [2020-07-21 12:50:18,735 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 12:50:18,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-21 12:50:18,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-07-21 12:50:18,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-21 12:50:18,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2020-07-21 12:50:18,795 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2020-07-21 12:50:18,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:18,796 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2020-07-21 12:50:18,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:50:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2020-07-21 12:50:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 12:50:18,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:18,801 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 12:50:19,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:19,014 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:19,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:19,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1214184321, now seen corresponding path program 1 times [2020-07-21 12:50:19,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:19,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861189114] [2020-07-21 12:50:19,016 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 12:50:19,333 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:19,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:19,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:50:19,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:19,372 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 12:50:19,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:19,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861189114] [2020-07-21 12:50:19,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:19,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:19,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759974813] [2020-07-21 12:50:19,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:19,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:19,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:19,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:19,376 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 3 states. [2020-07-21 12:50:19,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:19,400 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions. [2020-07-21 12:50:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:19,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 12:50:19,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:19,402 INFO L225 Difference]: With dead ends: 153 [2020-07-21 12:50:19,403 INFO L226 Difference]: Without dead ends: 96 [2020-07-21 12:50:19,404 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 12:50:19,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-21 12:50:19,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-07-21 12:50:19,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-21 12:50:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2020-07-21 12:50:19,416 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2020-07-21 12:50:19,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:19,417 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2020-07-21 12:50:19,417 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:19,417 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2020-07-21 12:50:19,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 12:50:19,419 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:19,420 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 12:50:19,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:19,635 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:19,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:19,635 INFO L82 PathProgramCache]: Analyzing trace with hash -75048457, now seen corresponding path program 1 times [2020-07-21 12:50:19,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:19,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567704356] [2020-07-21 12:50:19,636 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 12:50:19,932 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:19,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:19,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:50:19,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:19,971 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 12:50:19,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:19,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567704356] [2020-07-21 12:50:19,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:19,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:19,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854733672] [2020-07-21 12:50:19,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:19,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:19,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:19,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:19,975 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 3 states. [2020-07-21 12:50:19,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:19,999 INFO L93 Difference]: Finished difference Result 238 states and 288 transitions. [2020-07-21 12:50:20,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:20,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-21 12:50:20,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:20,003 INFO L225 Difference]: With dead ends: 238 [2020-07-21 12:50:20,004 INFO L226 Difference]: Without dead ends: 166 [2020-07-21 12:50:20,005 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 12:50:20,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-21 12:50:20,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2020-07-21 12:50:20,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-21 12:50:20,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 195 transitions. [2020-07-21 12:50:20,030 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 195 transitions. Word has length 51 [2020-07-21 12:50:20,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:20,031 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 195 transitions. [2020-07-21 12:50:20,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2020-07-21 12:50:20,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 12:50:20,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:20,037 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 12:50:20,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:20,251 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:20,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:20,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1167362893, now seen corresponding path program 1 times [2020-07-21 12:50:20,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:20,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501512408] [2020-07-21 12:50:20,254 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 12:50:20,607 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:20,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:20,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 12:50:20,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:20,660 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 12:50:20,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:20,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501512408] [2020-07-21 12:50:20,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:20,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:50:20,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710813230] [2020-07-21 12:50:20,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:50:20,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:20,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:50:20,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:50:20,664 INFO L87 Difference]: Start difference. First operand 162 states and 195 transitions. Second operand 6 states. [2020-07-21 12:50:20,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:20,855 INFO L93 Difference]: Finished difference Result 427 states and 533 transitions. [2020-07-21 12:50:20,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:50:20,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 12:50:20,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:20,860 INFO L225 Difference]: With dead ends: 427 [2020-07-21 12:50:20,860 INFO L226 Difference]: Without dead ends: 289 [2020-07-21 12:50:20,861 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 12:50:20,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-07-21 12:50:20,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 285. [2020-07-21 12:50:20,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2020-07-21 12:50:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 348 transitions. [2020-07-21 12:50:20,892 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 348 transitions. Word has length 57 [2020-07-21 12:50:20,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:20,893 INFO L479 AbstractCegarLoop]: Abstraction has 285 states and 348 transitions. [2020-07-21 12:50:20,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:50:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 348 transitions. [2020-07-21 12:50:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 12:50:20,896 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:20,896 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 12:50:21,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:21,110 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:21,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:21,110 INFO L82 PathProgramCache]: Analyzing trace with hash 2126623889, now seen corresponding path program 1 times [2020-07-21 12:50:21,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:21,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1129896635] [2020-07-21 12:50:21,111 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 12:50:21,403 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:21,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:21,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:50:21,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:21,466 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 12:50:21,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:21,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1129896635] [2020-07-21 12:50:21,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:21,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:50:21,468 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383165645] [2020-07-21 12:50:21,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:50:21,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:21,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:50:21,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:50:21,471 INFO L87 Difference]: Start difference. First operand 285 states and 348 transitions. Second operand 6 states. [2020-07-21 12:50:21,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:21,642 INFO L93 Difference]: Finished difference Result 475 states and 594 transitions. [2020-07-21 12:50:21,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:50:21,643 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-21 12:50:21,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:21,644 INFO L225 Difference]: With dead ends: 475 [2020-07-21 12:50:21,644 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:50:21,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 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 12:50:21,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:50:21,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:50:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:50:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:50:21,648 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-07-21 12:50:21,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:21,648 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:50:21,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:50:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:50:21,649 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:50:21,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:21,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:50:22,624 INFO L268 CegarLoopResult]: For program point L634(lines 611 635) no Hoare annotation was computed. [2020-07-21 12:50:22,624 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2020-07-21 12:50:22,624 INFO L268 CegarLoopResult]: For program point L618(lines 618 622) no Hoare annotation was computed. [2020-07-21 12:50:22,624 INFO L268 CegarLoopResult]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2020-07-21 12:50:22,625 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2020-07-21 12:50:22,625 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-21 12:50:22,625 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2020-07-21 12:50:22,625 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2020-07-21 12:50:22,625 INFO L268 CegarLoopResult]: For program point L670(line 670) no Hoare annotation was computed. [2020-07-21 12:50:22,625 INFO L268 CegarLoopResult]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2020-07-21 12:50:22,625 INFO L268 CegarLoopResult]: For program point L695(lines 668 696) no Hoare annotation was computed. [2020-07-21 12:50:22,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2020-07-21 12:50:22,626 INFO L268 CegarLoopResult]: For program point L688(line 688) no Hoare annotation was computed. [2020-07-21 12:50:22,626 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-07-21 12:50:22,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2020-07-21 12:50:22,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2020-07-21 12:50:22,629 INFO L268 CegarLoopResult]: For program point L675(lines 675 679) no Hoare annotation was computed. [2020-07-21 12:50:22,629 INFO L268 CegarLoopResult]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2020-07-21 12:50:22,630 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 246 252) the Hoare annotation is: true [2020-07-21 12:50:22,630 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 246 252) no Hoare annotation was computed. [2020-07-21 12:50:22,630 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 253 261) no Hoare annotation was computed. [2020-07-21 12:50:22,630 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 253 261) the Hoare annotation is: true [2020-07-21 12:50:22,630 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 253 261) no Hoare annotation was computed. [2020-07-21 12:50:22,631 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-21 12:50:22,631 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-21 12:50:22,631 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,631 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,631 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,631 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,632 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-21 12:50:22,633 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-21 12:50:22,633 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,634 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,634 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-21 12:50:22,634 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:50:22,634 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 12:50:22,634 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:50:22,634 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 12:50:22,634 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:50:22,635 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 12:50:22,635 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 12:50:22,635 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 12:50:22,635 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 12:50:22,635 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 12:50:22,636 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 12:50:22,636 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 12:50:22,636 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 12:50:22,636 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 12:50:22,636 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 12:50:22,637 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 12:50:22,638 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 12:50:22,638 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 330 336) no Hoare annotation was computed. [2020-07-21 12:50:22,639 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 330 336) the Hoare annotation is: true [2020-07-21 12:50:22,639 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 452 466) no Hoare annotation was computed. [2020-07-21 12:50:22,639 INFO L264 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:50:22,639 INFO L268 CegarLoopResult]: For program point L456(lines 456 462) no Hoare annotation was computed. [2020-07-21 12:50:22,639 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 452 466) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-21 12:50:22,639 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 452 466) no Hoare annotation was computed. [2020-07-21 12:50:22,640 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 363 370) no Hoare annotation was computed. [2020-07-21 12:50:22,640 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 363 370) no Hoare annotation was computed. [2020-07-21 12:50:22,640 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 363 370) no Hoare annotation was computed. [2020-07-21 12:50:22,640 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 407 415) no Hoare annotation was computed. [2020-07-21 12:50:22,640 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 407 415) the Hoare annotation is: true [2020-07-21 12:50:22,640 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 407 415) no Hoare annotation was computed. [2020-07-21 12:50:22,640 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 12:50:22,640 INFO L268 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-07-21 12:50:22,641 INFO L268 CegarLoopResult]: For program point L435(lines 435 443) no Hoare annotation was computed. [2020-07-21 12:50:22,641 INFO L268 CegarLoopResult]: For program point L435-2(lines 435 443) no Hoare annotation was computed. [2020-07-21 12:50:22,641 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 416 451) no Hoare annotation was computed. [2020-07-21 12:50:22,641 INFO L268 CegarLoopResult]: For program point L423(lines 423 431) no Hoare annotation was computed. [2020-07-21 12:50:22,641 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 416 451) no Hoare annotation was computed. [2020-07-21 12:50:22,642 INFO L268 CegarLoopResult]: For program point L423-2(lines 423 431) no Hoare annotation was computed. [2020-07-21 12:50:22,642 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 416 451) no Hoare annotation was computed. [2020-07-21 12:50:22,642 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 239 245) no Hoare annotation was computed. [2020-07-21 12:50:22,644 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 239 245) the Hoare annotation is: true [2020-07-21 12:50:22,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2020-07-21 12:50:22,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2020-07-21 12:50:22,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2020-07-21 12:50:22,645 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2020-07-21 12:50:22,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2020-07-21 12:50:22,646 INFO L268 CegarLoopResult]: For program point L874(lines 874 881) no Hoare annotation was computed. [2020-07-21 12:50:22,646 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2020-07-21 12:50:22,646 INFO L268 CegarLoopResult]: For program point L868(lines 868 888) no Hoare annotation was computed. [2020-07-21 12:50:22,647 INFO L268 CegarLoopResult]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2020-07-21 12:50:22,647 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,647 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-21 12:50:22,647 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-21 12:50:22,647 INFO L271 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: true [2020-07-21 12:50:22,647 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-07-21 12:50:22,647 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 396 406) the Hoare annotation is: true [2020-07-21 12:50:22,647 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 396 406) no Hoare annotation was computed. [2020-07-21 12:50:22,648 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 396 406) no Hoare annotation was computed. [2020-07-21 12:50:22,648 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 388 395) the Hoare annotation is: true [2020-07-21 12:50:22,648 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 388 395) no Hoare annotation was computed. [2020-07-21 12:50:22,648 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 388 395) no Hoare annotation was computed. [2020-07-21 12:50:22,649 INFO L264 CegarLoopResult]: At program point L352(line 352) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:50:22,649 INFO L264 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:50:22,649 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-07-21 12:50:22,649 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:50:22,649 INFO L268 CegarLoopResult]: For program point L344-1(line 344) no Hoare annotation was computed. [2020-07-21 12:50:22,649 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 338 362) no Hoare annotation was computed. [2020-07-21 12:50:22,649 INFO L268 CegarLoopResult]: For program point L342(lines 342 359) no Hoare annotation was computed. [2020-07-21 12:50:22,649 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 338 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:22,650 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:22,650 INFO L268 CegarLoopResult]: For program point L357-1(lines 338 362) no Hoare annotation was computed. [2020-07-21 12:50:22,650 INFO L264 CegarLoopResult]: At program point L514-1(lines 508 521) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,650 INFO L264 CegarLoopResult]: At program point testENTRY(lines 468 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,650 INFO L268 CegarLoopResult]: For program point L479(lines 478 525) no Hoare annotation was computed. [2020-07-21 12:50:22,651 INFO L268 CegarLoopResult]: For program point L508(lines 508 521) no Hoare annotation was computed. [2020-07-21 12:50:22,651 INFO L268 CegarLoopResult]: For program point testFINAL(lines 468 533) no Hoare annotation was computed. [2020-07-21 12:50:22,651 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,651 INFO L268 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-07-21 12:50:22,651 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2020-07-21 12:50:22,651 INFO L264 CegarLoopResult]: At program point L523(lines 478 525) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,651 INFO L264 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,651 INFO L268 CegarLoopResult]: For program point L488(lines 488 494) no Hoare annotation was computed. [2020-07-21 12:50:22,652 INFO L268 CegarLoopResult]: For program point L488-1(lines 488 494) no Hoare annotation was computed. [2020-07-21 12:50:22,652 INFO L268 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-07-21 12:50:22,652 INFO L264 CegarLoopResult]: At program point L526(lines 477 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,652 INFO L264 CegarLoopResult]: At program point L516(line 516) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:50:22,652 INFO L268 CegarLoopResult]: For program point testEXIT(lines 468 533) no Hoare annotation was computed. [2020-07-21 12:50:22,652 INFO L268 CegarLoopResult]: For program point L514(lines 514 520) no Hoare annotation was computed. [2020-07-21 12:50:22,652 INFO L268 CegarLoopResult]: For program point L828(lines 828 835) no Hoare annotation was computed. [2020-07-21 12:50:22,652 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2020-07-21 12:50:22,653 INFO L268 CegarLoopResult]: For program point L822(lines 822 842) no Hoare annotation was computed. [2020-07-21 12:50:22,653 INFO L268 CegarLoopResult]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2020-07-21 12:50:22,653 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2020-07-21 12:50:22,653 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2020-07-21 12:50:22,653 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-07-21 12:50:22,653 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-07-21 12:50:22,653 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-07-21 12:50:22,653 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-07-21 12:50:22,653 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-07-21 12:50:22,654 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 229 238) no Hoare annotation was computed. [2020-07-21 12:50:22,654 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 229 238) no Hoare annotation was computed. [2020-07-21 12:50:22,654 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 229 238) no Hoare annotation was computed. [2020-07-21 12:50:22,654 INFO L268 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-07-21 12:50:22,654 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2020-07-21 12:50:22,654 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-21 12:50:22,654 INFO L268 CegarLoopResult]: For program point L793(lines 793 804) no Hoare annotation was computed. [2020-07-21 12:50:22,654 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-07-21 12:50:22,654 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point L775(lines 753 776) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point L734(lines 734 750) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point L794(lines 794 801) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point L755(lines 754 774) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point L751(lines 751 792) no Hoare annotation was computed. [2020-07-21 12:50:22,655 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-07-21 12:50:22,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:50:22,656 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:50:22,656 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:50:22,656 INFO L268 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-07-21 12:50:22,656 INFO L268 CegarLoopResult]: For program point L382-1(lines 371 387) no Hoare annotation was computed. [2020-07-21 12:50:22,656 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 371 387) no Hoare annotation was computed. [2020-07-21 12:50:22,656 INFO L268 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-07-21 12:50:22,656 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 371 387) no Hoare annotation was computed. [2020-07-21 12:50:22,657 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-07-21 12:50:22,657 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-21 12:50:22,657 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 218 226) no Hoare annotation was computed. [2020-07-21 12:50:22,657 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-07-21 12:50:22,657 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-07-21 12:50:22,657 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-07-21 12:50:22,657 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:50:22,657 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-07-21 12:50:22,657 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:50:22,658 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:50:22,658 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:50:22,658 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:22,658 INFO L264 CegarLoopResult]: At program point L317(lines 317 323) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:22,658 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 12:50:22,658 INFO L268 CegarLoopResult]: For program point L310(lines 309 328) no Hoare annotation was computed. [2020-07-21 12:50:22,658 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 306 329) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:22,659 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 306 329) no Hoare annotation was computed. [2020-07-21 12:50:22,659 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 306 329) no Hoare annotation was computed. [2020-07-21 12:50:22,659 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 12:50:22,659 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 12:50:22,660 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-21 12:50:22,660 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 12:50:22,660 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-21 12:50:22,660 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 12:50:22,660 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-21 12:50:22,660 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-21 12:50:22,660 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 12:50:22,660 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 12:50:22,660 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-07-21 12:50:22,661 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-07-21 12:50:22,661 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-07-21 12:50:22,661 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-07-21 12:50:22,661 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-07-21 12:50:22,661 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-07-21 12:50:22,661 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 12:50:22,661 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 12:50:22,661 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:50:22,662 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 12:50:22,662 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:50:22,662 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:50:22,662 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-07-21 12:50:22,663 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-07-21 12:50:22,663 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: true [2020-07-21 12:50:22,663 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 291 298) no Hoare annotation was computed. [2020-07-21 12:50:22,664 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 295) no Hoare annotation was computed. [2020-07-21 12:50:22,664 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 291 298) the Hoare annotation is: true [2020-07-21 12:50:22,664 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 291 298) no Hoare annotation was computed. [2020-07-21 12:50:22,664 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 265 289) the Hoare annotation is: true [2020-07-21 12:50:22,664 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 265 289) no Hoare annotation was computed. [2020-07-21 12:50:22,665 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 12:50:22,665 INFO L268 CegarLoopResult]: For program point L277(lines 277 283) no Hoare annotation was computed. [2020-07-21 12:50:22,666 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:50:22,666 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 12:50:22,666 INFO L268 CegarLoopResult]: For program point L273(lines 273 286) no Hoare annotation was computed. [2020-07-21 12:50:22,666 INFO L268 CegarLoopResult]: For program point L273-1(lines 265 289) no Hoare annotation was computed. [2020-07-21 12:50:22,666 INFO L271 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: true [2020-07-21 12:50:22,666 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-21 12:50:22,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:50:22 BoogieIcfgContainer [2020-07-21 12:50:22,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:50:22,697 INFO L168 Benchmark]: Toolchain (without parser) took 6369.99 ms. Allocated memory was 146.3 MB in the beginning and 280.0 MB in the end (delta: 133.7 MB). Free memory was 102.5 MB in the beginning and 111.4 MB in the end (delta: -8.9 MB). Peak memory consumption was 124.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:22,703 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:50:22,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.01 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 174.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:22,706 INFO L168 Benchmark]: Boogie Preprocessor took 84.77 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 170.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:22,707 INFO L168 Benchmark]: RCFGBuilder took 1082.95 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 170.2 MB in the beginning and 198.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:22,710 INFO L168 Benchmark]: TraceAbstraction took 4585.99 ms. Allocated memory was 234.9 MB in the beginning and 280.0 MB in the end (delta: 45.1 MB). Free memory was 198.9 MB in the beginning and 111.4 MB in the end (delta: 87.5 MB). Peak memory consumption was 132.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:22,717 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 146.3 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 611.01 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.0 MB in the beginning and 174.2 MB in the end (delta: -72.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.77 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 170.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1082.95 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 170.2 MB in the beginning and 198.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4585.99 ms. Allocated memory was 234.9 MB in the beginning and 280.0 MB in the end (delta: 45.1 MB). Free memory was 198.9 MB in the beginning and 111.4 MB in the end (delta: 87.5 MB). Peak memory consumption was 132.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 295]: 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: 477]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 591 SDtfs, 211 SDslu, 766 SDs, 0 SdLazy, 118 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 261 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred 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, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 362 PreInvPairs, 391 NumberOfFragments, 435 HoareAnnotationTreeSize, 362 FomulaSimplifications, 170 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1032 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 24853 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3317 ConjunctsInSsa, 45 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...