/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:23:13,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:23:13,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:23:13,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:23:13,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:23:13,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:23:13,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:23:13,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:23:13,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:23:13,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:23:13,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:23:13,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:23:13,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:23:13,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:23:13,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:23:13,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:23:13,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:23:13,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:23:13,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:23:13,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:23:13,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:23:13,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:23:13,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:23:13,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:23:13,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:23:13,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:23:13,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:23:13,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:23:13,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:23:13,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:23:13,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:23:13,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:23:13,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:23:13,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:23:13,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:23:13,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:23:13,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:23:13,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:23:13,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:23:13,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:23:13,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:23:13,270 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 [2020-07-20 16:23:13,306 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:23:13,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:23:13,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:23:13,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:23:13,308 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:23:13,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:23:13,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:23:13,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:23:13,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:23:13,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:23:13,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:23:13,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:23:13,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:23:13,310 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:23:13,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:23:13,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:23:13,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:23:13,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:23:13,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:23:13,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:23:13,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:23:13,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:13,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:23:13,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:23:13,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:23:13,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:23:13,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:13,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:23:13,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:23:13,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:23:13,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:23:13,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:23:13,586 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:23:13,588 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:23:13,588 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:23:13,590 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c [2020-07-20 16:23:13,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f607b9f/5a8215ccc6aa436b82946315ab555ba5/FLAG8bd34b525 [2020-07-20 16:23:14,165 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:23:14,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product31.cil.c [2020-07-20 16:23:14,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f607b9f/5a8215ccc6aa436b82946315ab555ba5/FLAG8bd34b525 [2020-07-20 16:23:14,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f607b9f/5a8215ccc6aa436b82946315ab555ba5 [2020-07-20 16:23:14,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:23:14,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:23:14,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:14,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:23:14,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:23:14,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:14" (1/1) ... [2020-07-20 16:23:14,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567d91d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:14, skipping insertion in model container [2020-07-20 16:23:14,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:14" (1/1) ... [2020-07-20 16:23:14,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:23:14,643 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:23:15,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:15,044 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:23:15,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:15,161 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:23:15,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15 WrapperNode [2020-07-20 16:23:15,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:15,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:23:15,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:23:15,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:23:15,175 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15" (1/1) ... [2020-07-20 16:23:15,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15" (1/1) ... [2020-07-20 16:23:15,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15" (1/1) ... [2020-07-20 16:23:15,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15" (1/1) ... [2020-07-20 16:23:15,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15" (1/1) ... [2020-07-20 16:23:15,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15" (1/1) ... [2020-07-20 16:23:15,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15" (1/1) ... [2020-07-20 16:23:15,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:23:15,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:23:15,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:23:15,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:23:15,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15" (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 [2020-07-20 16:23:15,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:23:15,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:23:15,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:15,324 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:23:15,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:23:15,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:23:15,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:23:15,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:23:15,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:23:15,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:23:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:23:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:23:15,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:23:15,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:23:15,328 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:23:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:23:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:23:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:23:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:23:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:23:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:23:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:23:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:23:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:23:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:23:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:23:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:23:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:23:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:23:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:23:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:23:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:23:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:23:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:23:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:23:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:23:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:23:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:23:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:23:15,335 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:23:15,336 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:23:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:23:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:23:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:23:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:23:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:23:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:23:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:23:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:23:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:23:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:23:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:23:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:23:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:23:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:23:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:23:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:23:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:23:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:23:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 16:23:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:23:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:23:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:23:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:23:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:23:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:23:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:23:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:23:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:23:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:23:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:23:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:23:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:23:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:23:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:23:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:23:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:23:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:23:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:23:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:23:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:23:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:23:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:23:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:23:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:16,477 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:16,478 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:16,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:16 BoogieIcfgContainer [2020-07-20 16:23:16,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:16,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:16,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:16,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:16,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:23:14" (1/3) ... [2020-07-20 16:23:16,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa493b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:16, skipping insertion in model container [2020-07-20 16:23:16,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:15" (2/3) ... [2020-07-20 16:23:16,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa493b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:16, skipping insertion in model container [2020-07-20 16:23:16,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:16" (3/3) ... [2020-07-20 16:23:16,491 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product31.cil.c [2020-07-20 16:23:16,501 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:16,508 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:16,521 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:16,548 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:16,548 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:16,548 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:16,548 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:16,548 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:16,548 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:16,549 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:16,549 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-20 16:23:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:16,579 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:16,580 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] [2020-07-20 16:23:16,580 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:16,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:16,586 INFO L82 PathProgramCache]: Analyzing trace with hash -83384634, now seen corresponding path program 1 times [2020-07-20 16:23:16,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:16,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373836373] [2020-07-20 16:23:16,595 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:23:17,098 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:17,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:17,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:17,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:17,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:17,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:17,145 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373836373] [2020-07-20 16:23:17,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:17,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:17,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497577713] [2020-07-20 16:23:17,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:17,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:17,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:17,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:17,169 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-20 16:23:17,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:17,211 INFO L93 Difference]: Finished difference Result 256 states and 323 transitions. [2020-07-20 16:23:17,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:17,214 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:17,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:17,231 INFO L225 Difference]: With dead ends: 256 [2020-07-20 16:23:17,231 INFO L226 Difference]: Without dead ends: 130 [2020-07-20 16:23:17,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:17,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-20 16:23:17,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-20 16:23:17,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-20 16:23:17,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2020-07-20 16:23:17,344 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 51 [2020-07-20 16:23:17,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:17,348 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2020-07-20 16:23:17,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2020-07-20 16:23:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:17,356 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:17,358 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] [2020-07-20 16:23:17,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:17,560 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:17,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:17,560 INFO L82 PathProgramCache]: Analyzing trace with hash -38187558, now seen corresponding path program 1 times [2020-07-20 16:23:17,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:17,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372733706] [2020-07-20 16:23:17,562 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:23:17,960 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:17,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:17,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:17,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:18,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:18,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:18,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372733706] [2020-07-20 16:23:18,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:18,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:18,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507535196] [2020-07-20 16:23:18,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:18,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:18,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:18,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:18,005 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand 3 states. [2020-07-20 16:23:18,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:18,032 INFO L93 Difference]: Finished difference Result 199 states and 237 transitions. [2020-07-20 16:23:18,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:18,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:18,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:18,035 INFO L225 Difference]: With dead ends: 199 [2020-07-20 16:23:18,036 INFO L226 Difference]: Without dead ends: 121 [2020-07-20 16:23:18,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:18,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-07-20 16:23:18,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2020-07-20 16:23:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-07-20 16:23:18,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2020-07-20 16:23:18,053 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 52 [2020-07-20 16:23:18,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:18,053 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2020-07-20 16:23:18,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2020-07-20 16:23:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 16:23:18,056 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:18,056 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] [2020-07-20 16:23:18,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:18,271 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:18,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:18,271 INFO L82 PathProgramCache]: Analyzing trace with hash -47793526, now seen corresponding path program 1 times [2020-07-20 16:23:18,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:18,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47329520] [2020-07-20 16:23:18,272 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:23:18,626 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:18,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:18,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:23:18,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:18,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:18,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47329520] [2020-07-20 16:23:18,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:18,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:18,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397834725] [2020-07-20 16:23:18,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:18,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:18,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:18,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:18,666 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 3 states. [2020-07-20 16:23:18,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:18,691 INFO L93 Difference]: Finished difference Result 305 states and 373 transitions. [2020-07-20 16:23:18,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:18,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 16:23:18,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:18,696 INFO L225 Difference]: With dead ends: 305 [2020-07-20 16:23:18,696 INFO L226 Difference]: Without dead ends: 212 [2020-07-20 16:23:18,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:18,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-20 16:23:18,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2020-07-20 16:23:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-07-20 16:23:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 253 transitions. [2020-07-20 16:23:18,725 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 253 transitions. Word has length 56 [2020-07-20 16:23:18,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:18,729 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 253 transitions. [2020-07-20 16:23:18,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 253 transitions. [2020-07-20 16:23:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 16:23:18,734 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:18,734 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:18,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:18,952 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:18,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:18,953 INFO L82 PathProgramCache]: Analyzing trace with hash -670381442, now seen corresponding path program 1 times [2020-07-20 16:23:18,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:18,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179863195] [2020-07-20 16:23:18,955 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:23:19,379 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:19,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:19,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:23:19,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:19,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:19,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179863195] [2020-07-20 16:23:19,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:19,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:19,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389358424] [2020-07-20 16:23:19,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:19,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:19,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:19,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:19,446 INFO L87 Difference]: Start difference. First operand 208 states and 253 transitions. Second operand 6 states. [2020-07-20 16:23:19,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:19,658 INFO L93 Difference]: Finished difference Result 555 states and 695 transitions. [2020-07-20 16:23:19,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:19,658 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-20 16:23:19,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:19,663 INFO L225 Difference]: With dead ends: 555 [2020-07-20 16:23:19,663 INFO L226 Difference]: Without dead ends: 375 [2020-07-20 16:23:19,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:19,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-07-20 16:23:19,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2020-07-20 16:23:19,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-07-20 16:23:19,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 456 transitions. [2020-07-20 16:23:19,714 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 456 transitions. Word has length 62 [2020-07-20 16:23:19,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:19,715 INFO L479 AbstractCegarLoop]: Abstraction has 371 states and 456 transitions. [2020-07-20 16:23:19,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 456 transitions. [2020-07-20 16:23:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-20 16:23:19,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:19,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:19,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:19,934 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:19,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:19,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1429119450, now seen corresponding path program 1 times [2020-07-20 16:23:19,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:19,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790126968] [2020-07-20 16:23:19,937 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:23:20,314 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:20,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:20,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:20,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:20,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:20,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:20,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790126968] [2020-07-20 16:23:20,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:20,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:20,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567263453] [2020-07-20 16:23:20,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:20,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:20,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:20,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:20,362 INFO L87 Difference]: Start difference. First operand 371 states and 456 transitions. Second operand 6 states. [2020-07-20 16:23:20,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:20,544 INFO L93 Difference]: Finished difference Result 581 states and 732 transitions. [2020-07-20 16:23:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:20,546 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-07-20 16:23:20,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:20,546 INFO L225 Difference]: With dead ends: 581 [2020-07-20 16:23:20,547 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:23:20,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:20,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:23:20,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:23:20,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:23:20,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:23:20,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-07-20 16:23:20,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:20,550 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:23:20,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:20,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:23:20,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:23:20,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:20,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:23:21,732 INFO L268 CegarLoopResult]: For program point L477(lines 454 478) no Hoare annotation was computed. [2020-07-20 16:23:21,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 430 485) no Hoare annotation was computed. [2020-07-20 16:23:21,733 INFO L268 CegarLoopResult]: For program point L461(lines 461 465) no Hoare annotation was computed. [2020-07-20 16:23:21,733 INFO L268 CegarLoopResult]: For program point L461-1(lines 461 465) no Hoare annotation was computed. [2020-07-20 16:23:21,733 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 16:23:21,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 430 485) no Hoare annotation was computed. [2020-07-20 16:23:21,733 INFO L268 CegarLoopResult]: For program point L455-2(lines 455 476) no Hoare annotation was computed. [2020-07-20 16:23:21,733 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 430 485) no Hoare annotation was computed. [2020-07-20 16:23:21,734 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-07-20 16:23:21,734 INFO L268 CegarLoopResult]: For program point L512-2(lines 512 537) no Hoare annotation was computed. [2020-07-20 16:23:21,734 INFO L268 CegarLoopResult]: For program point L538(lines 511 539) no Hoare annotation was computed. [2020-07-20 16:23:21,734 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 486 545) no Hoare annotation was computed. [2020-07-20 16:23:21,734 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-07-20 16:23:21,734 INFO L268 CegarLoopResult]: For program point L531-1(line 531) no Hoare annotation was computed. [2020-07-20 16:23:21,734 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 486 545) no Hoare annotation was computed. [2020-07-20 16:23:21,735 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 486 545) no Hoare annotation was computed. [2020-07-20 16:23:21,735 INFO L268 CegarLoopResult]: For program point L518(lines 518 522) no Hoare annotation was computed. [2020-07-20 16:23:21,735 INFO L268 CegarLoopResult]: For program point L518-1(lines 518 522) no Hoare annotation was computed. [2020-07-20 16:23:21,735 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 361 367) the Hoare annotation is: true [2020-07-20 16:23:21,735 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 361 367) no Hoare annotation was computed. [2020-07-20 16:23:21,735 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 368 376) no Hoare annotation was computed. [2020-07-20 16:23:21,735 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 368 376) the Hoare annotation is: true [2020-07-20 16:23:21,736 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 368 376) no Hoare annotation was computed. [2020-07-20 16:23:21,736 INFO L268 CegarLoopResult]: For program point L866-1(lines 866 873) no Hoare annotation was computed. [2020-07-20 16:23:21,736 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-20 16:23:21,736 INFO L264 CegarLoopResult]: At program point L863(line 863) 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)|))) [2020-07-20 16:23:21,736 INFO L264 CegarLoopResult]: At program point L862(line 862) 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)|))) [2020-07-20 16:23:21,736 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 856 878) 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)|))) [2020-07-20 16:23:21,737 INFO L264 CegarLoopResult]: At program point L862-1(line 862) 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)|))) [2020-07-20 16:23:21,737 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 856 878) no Hoare annotation was computed. [2020-07-20 16:23:21,737 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 856 878) no Hoare annotation was computed. [2020-07-20 16:23:21,737 INFO L264 CegarLoopResult]: At program point L868(line 868) 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)|))) [2020-07-20 16:23:21,737 INFO L264 CegarLoopResult]: At program point L868-1(line 868) 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)|))) [2020-07-20 16:23:21,737 INFO L268 CegarLoopResult]: For program point L866(lines 866 873) no Hoare annotation was computed. [2020-07-20 16:23:21,737 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-20 16:23:21,738 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 814 837) no Hoare annotation was computed. [2020-07-20 16:23:21,738 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-20 16:23:21,738 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 16:23:21,738 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-20 16:23:21,738 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 814 837) no Hoare annotation was computed. [2020-07-20 16:23:21,738 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 16:23:21,738 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 814 837) no Hoare annotation was computed. [2020-07-20 16:23:21,739 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-20 16:23:21,739 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-20 16:23:21,739 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-20 16:23:21,739 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 16:23:21,739 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 16:23:21,739 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 16:23:21,739 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-20 16:23:21,739 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 16:23:21,740 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-20 16:23:21,740 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:23:21,740 INFO L268 CegarLoopResult]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2020-07-20 16:23:21,740 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:23:21,740 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 165 189) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:23:21,740 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:23:21,740 INFO L268 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2020-07-20 16:23:21,741 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 165 189) no Hoare annotation was computed. [2020-07-20 16:23:21,741 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:23:21,741 INFO L268 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-07-20 16:23:21,741 INFO L268 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2020-07-20 16:23:21,741 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 324 338) no Hoare annotation was computed. [2020-07-20 16:23:21,741 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:23:21,741 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-07-20 16:23:21,742 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 324 338) 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)|))))) [2020-07-20 16:23:21,742 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 324 338) no Hoare annotation was computed. [2020-07-20 16:23:21,742 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 260 268) no Hoare annotation was computed. [2020-07-20 16:23:21,742 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 260 268) the Hoare annotation is: true [2020-07-20 16:23:21,742 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 260 268) no Hoare annotation was computed. [2020-07-20 16:23:21,742 INFO L268 CegarLoopResult]: For program point L314(lines 314 318) no Hoare annotation was computed. [2020-07-20 16:23:21,742 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 305 323) the Hoare annotation is: true [2020-07-20 16:23:21,743 INFO L271 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: true [2020-07-20 16:23:21,743 INFO L268 CegarLoopResult]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2020-07-20 16:23:21,743 INFO L268 CegarLoopResult]: For program point L312-1(line 312) no Hoare annotation was computed. [2020-07-20 16:23:21,743 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 305 323) no Hoare annotation was computed. [2020-07-20 16:23:21,743 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 305 323) no Hoare annotation was computed. [2020-07-20 16:23:21,743 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-07-20 16:23:21,743 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-07-20 16:23:21,743 INFO L268 CegarLoopResult]: For program point L276(lines 276 284) no Hoare annotation was computed. [2020-07-20 16:23:21,744 INFO L268 CegarLoopResult]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2020-07-20 16:23:21,744 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 269 304) no Hoare annotation was computed. [2020-07-20 16:23:21,744 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-07-20 16:23:21,744 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-20 16:23:21,744 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 269 304) no Hoare annotation was computed. [2020-07-20 16:23:21,744 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 269 304) no Hoare annotation was computed. [2020-07-20 16:23:21,744 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 354 360) no Hoare annotation was computed. [2020-07-20 16:23:21,745 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 354 360) the Hoare annotation is: true [2020-07-20 16:23:21,745 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 384 429) no Hoare annotation was computed. [2020-07-20 16:23:21,745 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 384 429) no Hoare annotation was computed. [2020-07-20 16:23:21,745 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 384 429) no Hoare annotation was computed. [2020-07-20 16:23:21,745 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 697 742) no Hoare annotation was computed. [2020-07-20 16:23:21,745 INFO L268 CegarLoopResult]: For program point L717(lines 717 724) no Hoare annotation was computed. [2020-07-20 16:23:21,745 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 697 742) no Hoare annotation was computed. [2020-07-20 16:23:21,745 INFO L268 CegarLoopResult]: For program point L711(lines 711 731) no Hoare annotation was computed. [2020-07-20 16:23:21,745 INFO L268 CegarLoopResult]: For program point L711-1(lines 711 731) no Hoare annotation was computed. [2020-07-20 16:23:21,745 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 697 742) no Hoare annotation was computed. [2020-07-20 16:23:21,746 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 845 855) 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)|))) [2020-07-20 16:23:21,746 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 845 855) no Hoare annotation was computed. [2020-07-20 16:23:21,746 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 845 855) no Hoare annotation was computed. [2020-07-20 16:23:21,746 INFO L264 CegarLoopResult]: At program point L850(line 850) 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)|))) [2020-07-20 16:23:21,746 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 249 259) the Hoare annotation is: true [2020-07-20 16:23:21,746 INFO L271 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: true [2020-07-20 16:23:21,746 INFO L268 CegarLoopResult]: For program point L254-1(line 254) no Hoare annotation was computed. [2020-07-20 16:23:21,746 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 249 259) no Hoare annotation was computed. [2020-07-20 16:23:21,747 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 249 259) no Hoare annotation was computed. [2020-07-20 16:23:21,747 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 241 248) the Hoare annotation is: true [2020-07-20 16:23:21,747 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 241 248) no Hoare annotation was computed. [2020-07-20 16:23:21,747 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 241 248) no Hoare annotation was computed. [2020-07-20 16:23:21,747 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 191 215) no Hoare annotation was computed. [2020-07-20 16:23:21,747 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 191 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:23:21,747 INFO L264 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:23:21,747 INFO L268 CegarLoopResult]: For program point L210-1(lines 191 215) no Hoare annotation was computed. [2020-07-20 16:23:21,748 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:23:21,748 INFO L264 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:23:21,748 INFO L268 CegarLoopResult]: For program point L199(lines 199 207) no Hoare annotation was computed. [2020-07-20 16:23:21,748 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:23:21,748 INFO L268 CegarLoopResult]: For program point L197-1(line 197) no Hoare annotation was computed. [2020-07-20 16:23:21,748 INFO L268 CegarLoopResult]: For program point L195(lines 195 212) no Hoare annotation was computed. [2020-07-20 16:23:21,748 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2020-07-20 16:23:21,748 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2020-07-20 16:23:21,749 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) 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)|))) [2020-07-20 16:23:21,749 INFO L264 CegarLoopResult]: At program point L93(line 93) 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)|))) [2020-07-20 16:23:21,749 INFO L268 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-07-20 16:23:21,749 INFO L264 CegarLoopResult]: At program point L91-1(lines 85 98) 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)|))) [2020-07-20 16:23:21,749 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-07-20 16:23:21,749 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-07-20 16:23:21,749 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-07-20 16:23:21,750 INFO L264 CegarLoopResult]: At program point L77(line 77) 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)|))) [2020-07-20 16:23:21,750 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 16:23:21,750 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-07-20 16:23:21,750 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) 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)|))) [2020-07-20 16:23:21,750 INFO L264 CegarLoopResult]: At program point L67(line 67) 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)|))) [2020-07-20 16:23:21,750 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-20 16:23:21,750 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-07-20 16:23:21,750 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-07-20 16:23:21,751 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:21,751 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-07-20 16:23:21,751 INFO L268 CegarLoopResult]: For program point L671(lines 671 678) no Hoare annotation was computed. [2020-07-20 16:23:21,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 651 696) no Hoare annotation was computed. [2020-07-20 16:23:21,751 INFO L268 CegarLoopResult]: For program point L665(lines 665 685) no Hoare annotation was computed. [2020-07-20 16:23:21,751 INFO L268 CegarLoopResult]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2020-07-20 16:23:21,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 651 696) no Hoare annotation was computed. [2020-07-20 16:23:21,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 651 696) no Hoare annotation was computed. [2020-07-20 16:23:21,751 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 216 223) no Hoare annotation was computed. [2020-07-20 16:23:21,752 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 216 223) no Hoare annotation was computed. [2020-07-20 16:23:21,752 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 216 223) no Hoare annotation was computed. [2020-07-20 16:23:21,752 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 960 968) no Hoare annotation was computed. [2020-07-20 16:23:21,752 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 960 968) the Hoare annotation is: true [2020-07-20 16:23:21,752 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 960 968) no Hoare annotation was computed. [2020-07-20 16:23:21,752 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-20 16:23:21,752 INFO L268 CegarLoopResult]: For program point L766(lines 766 772) no Hoare annotation was computed. [2020-07-20 16:23:21,752 INFO L268 CegarLoopResult]: For program point L765(lines 765 775) no Hoare annotation was computed. [2020-07-20 16:23:21,752 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:21,753 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-20 16:23:21,753 INFO L268 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2020-07-20 16:23:21,753 INFO L268 CegarLoopResult]: For program point L761-1(lines 753 781) no Hoare annotation was computed. [2020-07-20 16:23:21,753 INFO L271 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: true [2020-07-20 16:23:21,753 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-07-20 16:23:21,753 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 753 781) the Hoare annotation is: true [2020-07-20 16:23:21,753 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 753 781) no Hoare annotation was computed. [2020-07-20 16:23:21,753 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 928 950) no Hoare annotation was computed. [2020-07-20 16:23:21,753 INFO L268 CegarLoopResult]: For program point L936(lines 936 944) no Hoare annotation was computed. [2020-07-20 16:23:21,754 INFO L268 CegarLoopResult]: For program point L936-2(lines 936 944) no Hoare annotation was computed. [2020-07-20 16:23:21,754 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 928 950) no Hoare annotation was computed. [2020-07-20 16:23:21,754 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 928 950) no Hoare annotation was computed. [2020-07-20 16:23:21,754 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 745 752) the Hoare annotation is: true [2020-07-20 16:23:21,754 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 745 752) no Hoare annotation was computed. [2020-07-20 16:23:21,754 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 745 752) no Hoare annotation was computed. [2020-07-20 16:23:21,754 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 344 353) no Hoare annotation was computed. [2020-07-20 16:23:21,754 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 344 353) no Hoare annotation was computed. [2020-07-20 16:23:21,754 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 344 353) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 548 650) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L572(lines 572 576) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L636(lines 636 647) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L599(lines 599 603) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L597-2(lines 597 617) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L618(lines 596 619) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 548 650) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L577(lines 577 593) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L637(lines 637 644) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L598(lines 597 617) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L629(line 629) no Hoare annotation was computed. [2020-07-20 16:23:21,755 INFO L268 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point L594(lines 594 635) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 548 650) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 224 240) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point L235-1(lines 224 240) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 224 240) no Hoare annotation was computed. [2020-07-20 16:23:21,756 INFO L268 CegarLoopResult]: For program point L231(lines 231 237) no Hoare annotation was computed. [2020-07-20 16:23:21,757 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-20 16:23:21,757 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-07-20 16:23:21,757 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 951 959) no Hoare annotation was computed. [2020-07-20 16:23:21,757 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 951 959) no Hoare annotation was computed. [2020-07-20 16:23:21,757 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 951 959) no Hoare annotation was computed. [2020-07-20 16:23:21,757 INFO L268 CegarLoopResult]: For program point L911-1(lines 907 918) no Hoare annotation was computed. [2020-07-20 16:23:21,757 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 907 918) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:21,757 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 907 918) no Hoare annotation was computed. [2020-07-20 16:23:21,758 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:21,758 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:23:21,758 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:21,758 INFO L264 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:23:21,758 INFO L264 CegarLoopResult]: At program point L144(lines 144 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:23:21,758 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:23:21,758 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-20 16:23:21,758 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2020-07-20 16:23:21,758 INFO L268 CegarLoopResult]: For program point L137(lines 136 155) no Hoare annotation was computed. [2020-07-20 16:23:21,759 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2020-07-20 16:23:21,759 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 784 813) no Hoare annotation was computed. [2020-07-20 16:23:21,759 INFO L268 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2020-07-20 16:23:21,759 INFO L271 CegarLoopResult]: At program point L798-1(lines 798 802) the Hoare annotation is: true [2020-07-20 16:23:21,759 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 784 813) the Hoare annotation is: true [2020-07-20 16:23:21,759 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-20 16:23:21,759 INFO L271 CegarLoopResult]: At program point L794-2(lines 794 808) the Hoare annotation is: true [2020-07-20 16:23:21,759 INFO L271 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: true [2020-07-20 16:23:21,759 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-07-20 16:23:21,759 INFO L271 CegarLoopResult]: At program point L809(lines 784 813) the Hoare annotation is: true [2020-07-20 16:23:21,759 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-20 16:23:21,760 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 919 927) the Hoare annotation is: true [2020-07-20 16:23:21,760 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 919 927) no Hoare annotation was computed. [2020-07-20 16:23:21,760 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 919 927) no Hoare annotation was computed. [2020-07-20 16:23:21,760 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 883 894) the Hoare annotation is: true [2020-07-20 16:23:21,760 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 883 894) no Hoare annotation was computed. [2020-07-20 16:23:21,760 INFO L268 CegarLoopResult]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2020-07-20 16:23:21,760 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 838 844) no Hoare annotation was computed. [2020-07-20 16:23:21,760 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 838 844) the Hoare annotation is: true [2020-07-20 16:23:21,760 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:21,760 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:23:21,760 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:21,760 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:21,760 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 895 906) no Hoare annotation was computed. [2020-07-20 16:23:21,760 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 895 906) the Hoare annotation is: true [2020-07-20 16:23:21,761 INFO L268 CegarLoopResult]: For program point L899-1(lines 895 906) no Hoare annotation was computed. [2020-07-20 16:23:21,761 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 112 119) no Hoare annotation was computed. [2020-07-20 16:23:21,761 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 116) no Hoare annotation was computed. [2020-07-20 16:23:21,761 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 112 119) the Hoare annotation is: true [2020-07-20 16:23:21,761 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 112 119) no Hoare annotation was computed. [2020-07-20 16:23:21,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:21 BoogieIcfgContainer [2020-07-20 16:23:21,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:21,780 INFO L168 Benchmark]: Toolchain (without parser) took 7217.19 ms. Allocated memory was 140.0 MB in the beginning and 281.0 MB in the end (delta: 141.0 MB). Free memory was 103.4 MB in the beginning and 210.0 MB in the end (delta: -106.6 MB). Peak memory consumption was 151.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:21,780 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 140.0 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 16:23:21,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.62 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.0 MB in the beginning and 171.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:21,782 INFO L168 Benchmark]: Boogie Preprocessor took 84.50 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 167.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:21,783 INFO L168 Benchmark]: RCFGBuilder took 1235.63 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 167.4 MB in the beginning and 190.6 MB in the end (delta: -23.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:21,785 INFO L168 Benchmark]: TraceAbstraction took 5292.51 ms. Allocated memory was 234.9 MB in the beginning and 281.0 MB in the end (delta: 46.1 MB). Free memory was 190.6 MB in the beginning and 210.0 MB in the end (delta: -19.4 MB). Peak memory consumption was 143.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:21,789 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 140.0 MB. Free memory was 123.0 MB in the beginning and 122.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.62 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 103.0 MB in the beginning and 171.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.50 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 167.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1235.63 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 167.4 MB in the beginning and 190.6 MB in the end (delta: -23.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5292.51 ms. Allocated memory was 234.9 MB in the beginning and 281.0 MB in the end (delta: 46.1 MB). Free memory was 190.6 MB in the beginning and 210.0 MB in the end (delta: -19.4 MB). Peak memory consumption was 143.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 116]: 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: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: 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 41 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 735 SDtfs, 272 SDslu, 994 SDs, 0 SdLazy, 140 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 286 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=371occurred 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, 61 LocationsWithAnnotation, 510 PreInvPairs, 539 NumberOfFragments, 490 HoareAnnotationTreeSize, 510 FomulaSimplifications, 170 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 61 FomulaSimplificationsInter, 1262 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 287 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 29526 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3447 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...