/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:42:51,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:42:51,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:42:51,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:42:51,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:42:51,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:42:51,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:42:51,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:42:51,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:42:51,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:42:51,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:42:51,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:42:51,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:42:51,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:42:51,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:42:51,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:42:51,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:42:51,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:42:51,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:42:51,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:42:51,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:42:51,289 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:42:51,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:42:51,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:42:51,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:42:51,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:42:51,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:42:51,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:42:51,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:42:51,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:42:51,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:42:51,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:42:51,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:42:51,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:42:51,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:42:51,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:42:51,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:42:51,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:42:51,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:42:51,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:42:51,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:42:51,305 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 10:42:51,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:42:51,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:42:51,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:42:51,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:42:51,340 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:42:51,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:42:51,340 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:42:51,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:42:51,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:42:51,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:42:51,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:42:51,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:42:51,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:42:51,342 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:42:51,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:42:51,342 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:42:51,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:42:51,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:42:51,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:42:51,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:42:51,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:42:51,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:42:51,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:42:51,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:42:51,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:42:51,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:42:51,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:51,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:42:51,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:42:51,346 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 -> NOT_INCREMENTALLY [2020-07-20 10:42:51,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:42:51,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:42:51,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:42:51,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:42:51,632 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:42:51,633 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-07-20 10:42:51,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63d6d4f1/cb97f143f5b54b55bfcf504b078b65bd/FLAG66e3c8a8e [2020-07-20 10:42:52,271 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:42:52,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-07-20 10:42:52,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63d6d4f1/cb97f143f5b54b55bfcf504b078b65bd/FLAG66e3c8a8e [2020-07-20 10:42:52,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e63d6d4f1/cb97f143f5b54b55bfcf504b078b65bd [2020-07-20 10:42:52,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:42:52,528 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:42:52,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:52,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:42:52,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:42:52,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:52" (1/1) ... [2020-07-20 10:42:52,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0d40c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:52, skipping insertion in model container [2020-07-20 10:42:52,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:42:52" (1/1) ... [2020-07-20 10:42:52,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:42:52,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:42:53,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:53,054 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:42:53,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:42:53,201 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:42:53,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53 WrapperNode [2020-07-20 10:42:53,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:42:53,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:42:53,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:42:53,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:42:53,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53" (1/1) ... [2020-07-20 10:42:53,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53" (1/1) ... [2020-07-20 10:42:53,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53" (1/1) ... [2020-07-20 10:42:53,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53" (1/1) ... [2020-07-20 10:42:53,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53" (1/1) ... [2020-07-20 10:42:53,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53" (1/1) ... [2020-07-20 10:42:53,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53" (1/1) ... [2020-07-20 10:42:53,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:42:53,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:42:53,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:42:53,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:42:53,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53" (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 10:42:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:42:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:42:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:53,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:42:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:42:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:42:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:42:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:42:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:42:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:42:53,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:42:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:42:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:42:53,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:42:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:42:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:42:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:42:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:42:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:42:53,359 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:42:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:42:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 10:42:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:42:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:42:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:42:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:42:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:42:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:42:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:42:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:42:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:42:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:42:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:42:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 10:42:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:42:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:42:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:42:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:42:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:42:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:42:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:42:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:42:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:42:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:42:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:42:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:42:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:42:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:42:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:42:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:42:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:42:53,364 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:42:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:42:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:42:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:42:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:42:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:42:53,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:42:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:42:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:42:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:42:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:42:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:42:53,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:42:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:42:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:42:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:42:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:42:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:42:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:42:53,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:42:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:42:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:42:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:42:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:42:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 10:42:53,368 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:42:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:42:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:42:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:42:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 10:42:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:42:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:42:53,369 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 10:42:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:42:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:42:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 10:42:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:42:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:42:53,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:42:53,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:42:54,480 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:42:54,482 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:42:54,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:54 BoogieIcfgContainer [2020-07-20 10:42:54,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:42:54,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:42:54,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:42:54,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:42:54,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:42:52" (1/3) ... [2020-07-20 10:42:54,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a2dda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:54, skipping insertion in model container [2020-07-20 10:42:54,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:42:53" (2/3) ... [2020-07-20 10:42:54,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a2dda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:42:54, skipping insertion in model container [2020-07-20 10:42:54,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:42:54" (3/3) ... [2020-07-20 10:42:54,499 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2020-07-20 10:42:54,510 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:42:54,519 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:42:54,533 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:42:54,560 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:42:54,560 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:42:54,560 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:42:54,561 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:42:54,561 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:42:54,561 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:42:54,561 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:42:54,561 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:42:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-20 10:42:54,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 10:42:54,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:54,597 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:54,597 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:54,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:54,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1860559375, now seen corresponding path program 1 times [2020-07-20 10:42:54,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:54,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834816204] [2020-07-20 10:42:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:42:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:54,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:42:54,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:54,901 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 10:42:54,902 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:54,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834816204] [2020-07-20 10:42:54,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:54,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:42:54,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986329934] [2020-07-20 10:42:54,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:42:54,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:54,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:42:54,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:54,927 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2020-07-20 10:42:54,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:54,967 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2020-07-20 10:42:54,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:42:54,969 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 10:42:54,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:54,983 INFO L225 Difference]: With dead ends: 256 [2020-07-20 10:42:54,983 INFO L226 Difference]: Without dead ends: 128 [2020-07-20 10:42:54,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:42:55,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-20 10:42:55,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-20 10:42:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-20 10:42:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-07-20 10:42:55,046 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2020-07-20 10:42:55,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:55,046 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-07-20 10:42:55,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:42:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-07-20 10:42:55,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 10:42:55,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:55,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:55,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:55,266 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:55,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:55,267 INFO L82 PathProgramCache]: Analyzing trace with hash 344709466, now seen corresponding path program 1 times [2020-07-20 10:42:55,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:55,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1542708262] [2020-07-20 10:42:55,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:42:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:55,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:42:55,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:55,549 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 10:42:55,549 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:55,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1542708262] [2020-07-20 10:42:55,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:55,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:55,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064793707] [2020-07-20 10:42:55,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:55,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:55,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:55,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:55,555 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2020-07-20 10:42:55,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:55,624 INFO L93 Difference]: Finished difference Result 199 states and 233 transitions. [2020-07-20 10:42:55,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:55,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 10:42:55,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:55,629 INFO L225 Difference]: With dead ends: 199 [2020-07-20 10:42:55,629 INFO L226 Difference]: Without dead ends: 119 [2020-07-20 10:42:55,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-20 10:42:55,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-07-20 10:42:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 10:42:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-07-20 10:42:55,665 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2020-07-20 10:42:55,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:55,666 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-07-20 10:42:55,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-07-20 10:42:55,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:42:55,669 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:55,669 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 10:42:55,884 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:55,885 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:55,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:55,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1335502603, now seen corresponding path program 1 times [2020-07-20 10:42:55,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:55,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [420860073] [2020-07-20 10:42:55,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:42:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:56,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 657 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:42:56,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:56,090 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 10:42:56,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:56,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [420860073] [2020-07-20 10:42:56,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:56,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:42:56,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715901098] [2020-07-20 10:42:56,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:42:56,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:56,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:42:56,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:56,093 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2020-07-20 10:42:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:56,122 INFO L93 Difference]: Finished difference Result 307 states and 369 transitions. [2020-07-20 10:42:56,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:56,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 10:42:56,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:56,127 INFO L225 Difference]: With dead ends: 307 [2020-07-20 10:42:56,127 INFO L226 Difference]: Without dead ends: 212 [2020-07-20 10:42:56,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:42:56,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-20 10:42:56,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 208. [2020-07-20 10:42:56,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-07-20 10:42:56,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 249 transitions. [2020-07-20 10:42:56,155 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 249 transitions. Word has length 51 [2020-07-20 10:42:56,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:56,156 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 249 transitions. [2020-07-20 10:42:56,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:42:56,156 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 249 transitions. [2020-07-20 10:42:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 10:42:56,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:56,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:56,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:56,378 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:56,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:56,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1187986019, now seen corresponding path program 1 times [2020-07-20 10:42:56,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:56,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134112235] [2020-07-20 10:42:56,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:42:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:56,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:42:56,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:56,601 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 10:42:56,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:56,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134112235] [2020-07-20 10:42:56,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:56,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:56,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589192855] [2020-07-20 10:42:56,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:56,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:56,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:56,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:56,605 INFO L87 Difference]: Start difference. First operand 208 states and 249 transitions. Second operand 6 states. [2020-07-20 10:42:56,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:56,905 INFO L93 Difference]: Finished difference Result 557 states and 691 transitions. [2020-07-20 10:42:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:42:56,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 10:42:56,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:56,913 INFO L225 Difference]: With dead ends: 557 [2020-07-20 10:42:56,913 INFO L226 Difference]: Without dead ends: 373 [2020-07-20 10:42:56,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:42:56,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-07-20 10:42:56,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2020-07-20 10:42:56,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-20 10:42:56,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 456 transitions. [2020-07-20 10:42:56,969 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 456 transitions. Word has length 57 [2020-07-20 10:42:56,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:56,970 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 456 transitions. [2020-07-20 10:42:56,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 456 transitions. [2020-07-20 10:42:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 10:42:56,974 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:42:56,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:42:57,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:57,189 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:42:57,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:42:57,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1722292439, now seen corresponding path program 1 times [2020-07-20 10:42:57,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:42:57,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212686706] [2020-07-20 10:42:57,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:42:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:42:57,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:42:57,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:42:57,406 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 10:42:57,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:42:57,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212686706] [2020-07-20 10:42:57,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:42:57,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:42:57,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949898480] [2020-07-20 10:42:57,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:42:57,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:42:57,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:42:57,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:57,409 INFO L87 Difference]: Start difference. First operand 373 states and 456 transitions. Second operand 6 states. [2020-07-20 10:42:57,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:42:57,570 INFO L93 Difference]: Finished difference Result 470 states and 585 transitions. [2020-07-20 10:42:57,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:42:57,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-20 10:42:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:42:57,572 INFO L225 Difference]: With dead ends: 470 [2020-07-20 10:42:57,572 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:42:57,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:42:57,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:42:57,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:42:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:42:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:42:57,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-07-20 10:42:57,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:42:57,575 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:42:57,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:42:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:42:57,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:42:57,786 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:42:57,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:42:58,752 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-07-20 10:42:58,752 INFO L268 CegarLoopResult]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2020-07-20 10:42:58,753 INFO L268 CegarLoopResult]: For program point L278(lines 255 279) no Hoare annotation was computed. [2020-07-20 10:42:58,753 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2020-07-20 10:42:58,753 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2020-07-20 10:42:58,753 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-07-20 10:42:58,753 INFO L268 CegarLoopResult]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2020-07-20 10:42:58,753 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2020-07-20 10:42:58,753 INFO L268 CegarLoopResult]: For program point L319(lines 319 323) no Hoare annotation was computed. [2020-07-20 10:42:58,754 INFO L268 CegarLoopResult]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2020-07-20 10:42:58,754 INFO L268 CegarLoopResult]: For program point L314(line 314) no Hoare annotation was computed. [2020-07-20 10:42:58,754 INFO L268 CegarLoopResult]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2020-07-20 10:42:58,754 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2020-07-20 10:42:58,754 INFO L268 CegarLoopResult]: For program point L339(lines 312 340) no Hoare annotation was computed. [2020-07-20 10:42:58,754 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2020-07-20 10:42:58,754 INFO L268 CegarLoopResult]: For program point L332(line 332) no Hoare annotation was computed. [2020-07-20 10:42:58,754 INFO L268 CegarLoopResult]: For program point L332-1(line 332) no Hoare annotation was computed. [2020-07-20 10:42:58,755 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2020-07-20 10:42:58,755 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-07-20 10:42:58,755 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-07-20 10:42:58,755 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-20 10:42:58,755 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-07-20 10:42:58,755 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-20 10:42:58,756 INFO L268 CegarLoopResult]: For program point L930-1(lines 922 946) no Hoare annotation was computed. [2020-07-20 10:42:58,756 INFO L271 CegarLoopResult]: At program point L928(line 928) the Hoare annotation is: true [2020-07-20 10:42:58,756 INFO L268 CegarLoopResult]: For program point L928-1(line 928) no Hoare annotation was computed. [2020-07-20 10:42:58,756 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 922 946) the Hoare annotation is: true [2020-07-20 10:42:58,756 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 922 946) no Hoare annotation was computed. [2020-07-20 10:42:58,756 INFO L264 CegarLoopResult]: At program point L936(line 936) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:42:58,757 INFO L268 CegarLoopResult]: For program point L934(lines 934 940) no Hoare annotation was computed. [2020-07-20 10:42:58,757 INFO L264 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:42:58,757 INFO L268 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-07-20 10:42:58,757 INFO L268 CegarLoopResult]: For program point L930(lines 930 943) no Hoare annotation was computed. [2020-07-20 10:42:58,757 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-20 10:42:58,757 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-20 10:42:58,758 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,758 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,759 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,760 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,760 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-20 10:42:58,760 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-20 10:42:58,760 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,760 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,761 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-20 10:42:58,761 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:42:58,761 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-20 10:42:58,761 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:42:58,761 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-20 10:42:58,761 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-20 10:42:58,761 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-20 10:42:58,761 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-20 10:42:58,762 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-20 10:42:58,762 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-20 10:42:58,762 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-20 10:42:58,762 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-20 10:42:58,762 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-20 10:42:58,762 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-20 10:42:58,763 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-20 10:42:58,763 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-20 10:42:58,763 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-20 10:42:58,763 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-20 10:42:58,763 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:42:58,763 INFO L268 CegarLoopResult]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2020-07-20 10:42:58,763 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:42:58,764 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:42:58,764 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-07-20 10:42:58,764 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:42:58,764 INFO L264 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:42:58,767 INFO L268 CegarLoopResult]: For program point L752-1(line 752) no Hoare annotation was computed. [2020-07-20 10:42:58,768 INFO L268 CegarLoopResult]: For program point L750(lines 750 767) no Hoare annotation was computed. [2020-07-20 10:42:58,768 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2020-07-20 10:42:58,768 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 905 919) no Hoare annotation was computed. [2020-07-20 10:42:58,768 INFO L264 CegarLoopResult]: At program point L911(line 911) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:42:58,768 INFO L268 CegarLoopResult]: For program point L909(lines 909 915) no Hoare annotation was computed. [2020-07-20 10:42:58,769 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 905 919) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 10:42:58,769 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 905 919) no Hoare annotation was computed. [2020-07-20 10:42:58,769 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2020-07-20 10:42:58,769 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2020-07-20 10:42:58,769 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2020-07-20 10:42:58,769 INFO L268 CegarLoopResult]: For program point L895(lines 895 899) no Hoare annotation was computed. [2020-07-20 10:42:58,769 INFO L271 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: true [2020-07-20 10:42:58,769 INFO L268 CegarLoopResult]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2020-07-20 10:42:58,770 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-07-20 10:42:58,770 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2020-07-20 10:42:58,770 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2020-07-20 10:42:58,770 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2020-07-20 10:42:58,770 INFO L268 CegarLoopResult]: For program point L857(lines 857 865) no Hoare annotation was computed. [2020-07-20 10:42:58,770 INFO L268 CegarLoopResult]: For program point L857-2(lines 857 865) no Hoare annotation was computed. [2020-07-20 10:42:58,770 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-20 10:42:58,770 INFO L268 CegarLoopResult]: For program point L880-1(line 880) no Hoare annotation was computed. [2020-07-20 10:42:58,771 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 850 885) no Hoare annotation was computed. [2020-07-20 10:42:58,771 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 850 885) no Hoare annotation was computed. [2020-07-20 10:42:58,771 INFO L268 CegarLoopResult]: For program point L869(lines 869 877) no Hoare annotation was computed. [2020-07-20 10:42:58,771 INFO L268 CegarLoopResult]: For program point L869-2(lines 869 877) no Hoare annotation was computed. [2020-07-20 10:42:58,771 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 850 885) no Hoare annotation was computed. [2020-07-20 10:42:58,771 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-07-20 10:42:58,771 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-07-20 10:42:58,772 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2020-07-20 10:42:58,772 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2020-07-20 10:42:58,772 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2020-07-20 10:42:58,772 INFO L268 CegarLoopResult]: For program point L512(lines 512 532) no Hoare annotation was computed. [2020-07-20 10:42:58,772 INFO L268 CegarLoopResult]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2020-07-20 10:42:58,772 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2020-07-20 10:42:58,772 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2020-07-20 10:42:58,772 INFO L268 CegarLoopResult]: For program point L518(lines 518 525) no Hoare annotation was computed. [2020-07-20 10:42:58,773 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2020-07-20 10:42:58,773 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,773 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-20 10:42:58,773 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-20 10:42:58,773 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2020-07-20 10:42:58,773 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2020-07-20 10:42:58,773 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2020-07-20 10:42:58,774 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-07-20 10:42:58,774 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-20 10:42:58,774 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2020-07-20 10:42:58,774 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2020-07-20 10:42:58,774 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2020-07-20 10:42:58,774 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:42:58,774 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2020-07-20 10:42:58,774 INFO L268 CegarLoopResult]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2020-07-20 10:42:58,775 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:42:58,775 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:42:58,775 INFO L264 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:42:58,775 INFO L268 CegarLoopResult]: For program point L780(lines 780 788) no Hoare annotation was computed. [2020-07-20 10:42:58,775 INFO L264 CegarLoopResult]: At program point L778(line 778) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 10:42:58,775 INFO L268 CegarLoopResult]: For program point L778-1(line 778) no Hoare annotation was computed. [2020-07-20 10:42:58,775 INFO L268 CegarLoopResult]: For program point L776(lines 776 793) no Hoare annotation was computed. [2020-07-20 10:42:58,776 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2020-07-20 10:42:58,776 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2020-07-20 10:42:58,776 INFO L264 CegarLoopResult]: At program point testENTRY(lines 640 705) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,776 INFO L264 CegarLoopResult]: At program point L698(lines 649 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,776 INFO L268 CegarLoopResult]: For program point testFINAL(lines 640 705) no Hoare annotation was computed. [2020-07-20 10:42:58,776 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,776 INFO L268 CegarLoopResult]: For program point L686(lines 686 692) no Hoare annotation was computed. [2020-07-20 10:42:58,777 INFO L264 CegarLoopResult]: At program point L686-1(lines 680 693) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,777 INFO L268 CegarLoopResult]: For program point L651(lines 650 697) no Hoare annotation was computed. [2020-07-20 10:42:58,777 INFO L268 CegarLoopResult]: For program point L680(lines 680 693) no Hoare annotation was computed. [2020-07-20 10:42:58,777 INFO L264 CegarLoopResult]: At program point L672(line 672) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,777 INFO L268 CegarLoopResult]: For program point L670(lines 670 676) no Hoare annotation was computed. [2020-07-20 10:42:58,777 INFO L268 CegarLoopResult]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2020-07-20 10:42:58,777 INFO L264 CegarLoopResult]: At program point L695(lines 650 697) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,778 INFO L264 CegarLoopResult]: At program point L662(line 662) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:42:58,778 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-07-20 10:42:58,778 INFO L268 CegarLoopResult]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2020-07-20 10:42:58,778 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-07-20 10:42:58,778 INFO L268 CegarLoopResult]: For program point testEXIT(lines 640 705) no Hoare annotation was computed. [2020-07-20 10:42:58,778 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2020-07-20 10:42:58,778 INFO L268 CegarLoopResult]: For program point L472(lines 472 479) no Hoare annotation was computed. [2020-07-20 10:42:58,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2020-07-20 10:42:58,779 INFO L268 CegarLoopResult]: For program point L466(lines 466 486) no Hoare annotation was computed. [2020-07-20 10:42:58,779 INFO L268 CegarLoopResult]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2020-07-20 10:42:58,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2020-07-20 10:42:58,779 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 797 804) no Hoare annotation was computed. [2020-07-20 10:42:58,779 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 797 804) no Hoare annotation was computed. [2020-07-20 10:42:58,779 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2020-07-20 10:42:58,779 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 629 637) no Hoare annotation was computed. [2020-07-20 10:42:58,780 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 629 637) the Hoare annotation is: true [2020-07-20 10:42:58,780 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 629 637) no Hoare annotation was computed. [2020-07-20 10:42:58,780 INFO L268 CegarLoopResult]: For program point L605(lines 605 613) no Hoare annotation was computed. [2020-07-20 10:42:58,780 INFO L268 CegarLoopResult]: For program point L605-2(lines 605 613) no Hoare annotation was computed. [2020-07-20 10:42:58,780 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 597 619) no Hoare annotation was computed. [2020-07-20 10:42:58,780 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 597 619) no Hoare annotation was computed. [2020-07-20 10:42:58,780 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 597 619) no Hoare annotation was computed. [2020-07-20 10:42:58,780 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-07-20 10:42:58,781 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-07-20 10:42:58,781 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-07-20 10:42:58,781 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2020-07-20 10:42:58,781 INFO L268 CegarLoopResult]: For program point L378(lines 378 394) no Hoare annotation was computed. [2020-07-20 10:42:58,781 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-07-20 10:42:58,781 INFO L268 CegarLoopResult]: For program point L399(lines 398 418) no Hoare annotation was computed. [2020-07-20 10:42:58,781 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 10:42:58,781 INFO L268 CegarLoopResult]: For program point L430-1(line 430) no Hoare annotation was computed. [2020-07-20 10:42:58,782 INFO L268 CegarLoopResult]: For program point L395(lines 395 436) no Hoare annotation was computed. [2020-07-20 10:42:58,782 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2020-07-20 10:42:58,782 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-07-20 10:42:58,782 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 10:42:58,782 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-07-20 10:42:58,782 INFO L268 CegarLoopResult]: For program point L437(lines 437 448) no Hoare annotation was computed. [2020-07-20 10:42:58,782 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2020-07-20 10:42:58,782 INFO L268 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2020-07-20 10:42:58,783 INFO L268 CegarLoopResult]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2020-07-20 10:42:58,783 INFO L268 CegarLoopResult]: For program point L419(lines 397 420) no Hoare annotation was computed. [2020-07-20 10:42:58,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:58,783 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:58,783 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:58,783 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-07-20 10:42:58,783 INFO L268 CegarLoopResult]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2020-07-20 10:42:58,783 INFO L268 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2020-07-20 10:42:58,784 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2020-07-20 10:42:58,784 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-20 10:42:58,784 INFO L268 CegarLoopResult]: For program point L810-1(line 810) no Hoare annotation was computed. [2020-07-20 10:42:58,784 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 805 821) no Hoare annotation was computed. [2020-07-20 10:42:58,784 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 620 628) the Hoare annotation is: true [2020-07-20 10:42:58,784 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 620 628) no Hoare annotation was computed. [2020-07-20 10:42:58,784 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 620 628) no Hoare annotation was computed. [2020-07-20 10:42:58,785 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 576 587) the Hoare annotation is: true [2020-07-20 10:42:58,786 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 576 587) no Hoare annotation was computed. [2020-07-20 10:42:58,786 INFO L268 CegarLoopResult]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2020-07-20 10:42:58,786 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:58,786 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:42:58,786 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:58,786 INFO L264 CegarLoopResult]: At program point L727(line 727) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:58,786 INFO L264 CegarLoopResult]: At program point L725(lines 725 731) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:58,787 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:58,787 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:58,789 INFO L268 CegarLoopResult]: For program point L718(lines 717 736) no Hoare annotation was computed. [2020-07-20 10:42:58,790 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2020-07-20 10:42:58,790 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2020-07-20 10:42:58,790 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-20 10:42:58,790 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-20 10:42:58,790 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-20 10:42:58,790 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-20 10:42:58,790 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-20 10:42:58,791 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-20 10:42:58,791 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-20 10:42:58,791 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-20 10:42:58,791 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-20 10:42:58,791 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-20 10:42:58,791 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 588 596) the Hoare annotation is: true [2020-07-20 10:42:58,791 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 588 596) no Hoare annotation was computed. [2020-07-20 10:42:58,791 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 588 596) no Hoare annotation was computed. [2020-07-20 10:42:58,791 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 552 563) the Hoare annotation is: true [2020-07-20 10:42:58,792 INFO L268 CegarLoopResult]: For program point L556-1(lines 552 563) no Hoare annotation was computed. [2020-07-20 10:42:58,792 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 552 563) no Hoare annotation was computed. [2020-07-20 10:42:58,792 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 10:42:58,792 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 10:42:58,792 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:42:58,792 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:42:58,792 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:42:58,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:42:58,793 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 564 575) no Hoare annotation was computed. [2020-07-20 10:42:58,793 INFO L268 CegarLoopResult]: For program point L568-1(lines 564 575) no Hoare annotation was computed. [2020-07-20 10:42:58,793 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 564 575) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:42:58,793 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 948 955) no Hoare annotation was computed. [2020-07-20 10:42:58,793 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 952) no Hoare annotation was computed. [2020-07-20 10:42:58,793 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 948 955) the Hoare annotation is: true [2020-07-20 10:42:58,793 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 948 955) no Hoare annotation was computed. [2020-07-20 10:42:58,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:42:58 BoogieIcfgContainer [2020-07-20 10:42:58,810 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:42:58,815 INFO L168 Benchmark]: Toolchain (without parser) took 6286.04 ms. Allocated memory was 136.3 MB in the beginning and 297.3 MB in the end (delta: 161.0 MB). Free memory was 98.7 MB in the beginning and 181.1 MB in the end (delta: -82.4 MB). Peak memory consumption was 131.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:58,816 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 136.3 MB. Free memory is still 117.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 10:42:58,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.47 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 98.3 MB in the beginning and 169.7 MB in the end (delta: -71.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:58,818 INFO L168 Benchmark]: Boogie Preprocessor took 85.44 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:58,819 INFO L168 Benchmark]: RCFGBuilder took 1202.38 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 165.6 MB in the beginning and 193.9 MB in the end (delta: -28.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:58,820 INFO L168 Benchmark]: TraceAbstraction took 4318.50 ms. Allocated memory was 230.2 MB in the beginning and 297.3 MB in the end (delta: 67.1 MB). Free memory was 193.9 MB in the beginning and 181.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 133.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:42:58,824 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 136.3 MB. Free memory is still 117.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.47 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 98.3 MB in the beginning and 169.7 MB in the end (delta: -71.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.44 ms. Allocated memory is still 201.3 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1202.38 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 165.6 MB in the beginning and 193.9 MB in the end (delta: -28.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4318.50 ms. Allocated memory was 230.2 MB in the beginning and 297.3 MB in the end (delta: 67.1 MB). Free memory was 193.9 MB in the beginning and 181.1 MB in the end (delta: 12.8 MB). Peak memory consumption was 133.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 952]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 706 SDtfs, 259 SDslu, 915 SDs, 0 SdLazy, 137 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 259 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=373occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 458 PreInvPairs, 473 NumberOfFragments, 575 HoareAnnotationTreeSize, 458 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 646 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25933 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3321 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...