/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:02:28,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:02:28,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:02:28,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:02:28,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:02:28,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:02:28,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:02:28,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:02:28,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:02:28,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:02:28,328 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:02:28,329 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:02:28,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:02:28,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:02:28,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:02:28,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:02:28,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:02:28,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:02:28,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:02:28,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:02:28,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:02:28,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:02:28,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:02:28,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:02:28,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:02:28,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:02:28,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:02:28,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:02:28,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:02:28,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:02:28,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:02:28,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:02:28,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:02:28,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:02:28,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:02:28,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:02:28,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:02:28,371 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:02:28,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:02:28,372 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:02:28,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:02:28,375 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 [2020-07-19 21:02:28,395 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:02:28,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:02:28,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:02:28,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:02:28,398 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:02:28,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:02:28,398 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:02:28,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:02:28,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:02:28,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:02:28,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:02:28,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:02:28,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:02:28,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:02:28,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:02:28,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:02:28,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:02:28,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:02:28,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:02:28,402 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:02:28,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:02:28,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:02:28,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:02:28,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:02:28,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:02:28,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:02:28,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:02:28,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:02:28,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:02:28,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:02:28,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:02:28,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:02:28,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:02:28,729 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:02:28,730 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:02:28,731 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-07-19 21:02:28,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453c49e7c/1b727fba8d474447b338ecc4590231f7/FLAGa67c7a57d [2020-07-19 21:02:29,370 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:02:29,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-07-19 21:02:29,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453c49e7c/1b727fba8d474447b338ecc4590231f7/FLAGa67c7a57d [2020-07-19 21:02:29,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/453c49e7c/1b727fba8d474447b338ecc4590231f7 [2020-07-19 21:02:29,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:02:29,675 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:02:29,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:02:29,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:02:29,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:02:29,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:02:29" (1/1) ... [2020-07-19 21:02:29,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b69c051 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:29, skipping insertion in model container [2020-07-19 21:02:29,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:02:29" (1/1) ... [2020-07-19 21:02:29,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:02:29,760 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:02:30,265 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:02:30,281 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:02:30,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:02:30,388 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:02:30,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30 WrapperNode [2020-07-19 21:02:30,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:02:30,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:02:30,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:02:30,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:02:30,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30" (1/1) ... [2020-07-19 21:02:30,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30" (1/1) ... [2020-07-19 21:02:30,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30" (1/1) ... [2020-07-19 21:02:30,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30" (1/1) ... [2020-07-19 21:02:30,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30" (1/1) ... [2020-07-19 21:02:30,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30" (1/1) ... [2020-07-19 21:02:30,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30" (1/1) ... [2020-07-19 21:02:30,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:02:30,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:02:30,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:02:30,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:02:30,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30" (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 [2020-07-19 21:02:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:02:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:02:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 21:02:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 21:02:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 21:02:30,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 21:02:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 21:02:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 21:02:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 21:02:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 21:02:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 21:02:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 21:02:30,545 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 21:02:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:02:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 21:02:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 21:02:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 21:02:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 21:02:30,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 21:02:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 21:02:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 21:02:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 21:02:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 21:02:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 21:02:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 21:02:30,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 21:02:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 21:02:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 21:02:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 21:02:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 21:02:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 21:02:30,548 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 21:02:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 21:02:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 21:02:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 21:02:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 21:02:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 21:02:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 21:02:30,549 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 21:02:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 21:02:30,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 21:02:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:02:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:02:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 21:02:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 21:02:30,550 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 21:02:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 21:02:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 21:02:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 21:02:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 21:02:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 21:02:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 21:02:30,551 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 21:02:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 21:02:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 21:02:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 21:02:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 21:02:30,552 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 21:02:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 21:02:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 21:02:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 21:02:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:02:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 21:02:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 21:02:30,553 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 21:02:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 21:02:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 21:02:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 21:02:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 21:02:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 21:02:30,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 21:02:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 21:02:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 21:02:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 21:02:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 21:02:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 21:02:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 21:02:30,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 21:02:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 21:02:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 21:02:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 21:02:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 21:02:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 21:02:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 21:02:30,556 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 21:02:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 21:02:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 21:02:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 21:02:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 21:02:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 21:02:30,557 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 21:02:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 21:02:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 21:02:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:02:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 21:02:30,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:02:31,611 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:02:31,611 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 21:02:31,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:02:31 BoogieIcfgContainer [2020-07-19 21:02:31,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:02:31,618 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:02:31,618 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:02:31,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:02:31,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:02:29" (1/3) ... [2020-07-19 21:02:31,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c44e717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:02:31, skipping insertion in model container [2020-07-19 21:02:31,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:02:30" (2/3) ... [2020-07-19 21:02:31,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c44e717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:02:31, skipping insertion in model container [2020-07-19 21:02:31,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:02:31" (3/3) ... [2020-07-19 21:02:31,625 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-07-19 21:02:31,635 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:02:31,643 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:02:31,657 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:02:31,682 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:02:31,682 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:02:31,683 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:02:31,683 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:02:31,683 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:02:31,683 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:02:31,684 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:02:31,684 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:02:31,707 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-19 21:02:31,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 21:02:31,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:02:31,718 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] [2020-07-19 21:02:31,718 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:02:31,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:02:31,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1393146994, now seen corresponding path program 1 times [2020-07-19 21:02:31,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:02:31,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569548013] [2020-07-19 21:02:31,735 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42975541 [2020-07-19 21:02:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:32,352 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:02:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:32,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:02:32,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569548013] [2020-07-19 21:02:32,467 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:02:32,468 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 21:02:32,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569733427] [2020-07-19 21:02:32,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:02:32,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:02:32,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:02:32,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:02:32,500 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2020-07-19 21:02:33,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:02:33,710 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2020-07-19 21:02:33,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:02:33,712 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 21:02:33,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:02:33,726 INFO L225 Difference]: With dead ends: 308 [2020-07-19 21:02:33,727 INFO L226 Difference]: Without dead ends: 167 [2020-07-19 21:02:33,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 21:02:33,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-07-19 21:02:33,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2020-07-19 21:02:33,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-19 21:02:33,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-07-19 21:02:33,847 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2020-07-19 21:02:33,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:02:33,848 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-07-19 21:02:33,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:02:33,848 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-07-19 21:02:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 21:02:33,856 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:02:33,856 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] [2020-07-19 21:02:33,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:02:33,857 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:02:33,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:02:33,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1814082405, now seen corresponding path program 1 times [2020-07-19 21:02:33,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:02:33,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857183735] [2020-07-19 21:02:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42975541 [2020-07-19 21:02:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:34,216 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:02:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:02:34,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857183735] [2020-07-19 21:02:34,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:02:34,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:02:34,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139480314] [2020-07-19 21:02:34,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 21:02:34,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:02:34,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 21:02:34,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 21:02:34,264 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2020-07-19 21:02:34,727 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:02:35,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:02:35,589 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2020-07-19 21:02:35,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:02:35,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 21:02:35,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:02:35,592 INFO L225 Difference]: With dead ends: 231 [2020-07-19 21:02:35,592 INFO L226 Difference]: Without dead ends: 151 [2020-07-19 21:02:35,596 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:02:35,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-19 21:02:35,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2020-07-19 21:02:35,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-19 21:02:35,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-19 21:02:35,637 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-07-19 21:02:35,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:02:35,638 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-19 21:02:35,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 21:02:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-19 21:02:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 21:02:35,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:02:35,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:02:35,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:02:35,641 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:02:35,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:02:35,641 INFO L82 PathProgramCache]: Analyzing trace with hash -947171688, now seen corresponding path program 1 times [2020-07-19 21:02:35,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:02:35,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132173025] [2020-07-19 21:02:35,642 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42975541 [2020-07-19 21:02:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:36,011 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:02:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:02:36,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132173025] [2020-07-19 21:02:36,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:02:36,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 21:02:36,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646138160] [2020-07-19 21:02:36,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:02:36,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:02:36,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:02:36,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:02:36,107 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2020-07-19 21:02:36,506 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:02:36,824 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:02:37,069 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:02:37,319 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:02:38,047 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:02:39,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:02:39,889 INFO L93 Difference]: Finished difference Result 424 states and 526 transitions. [2020-07-19 21:02:39,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:02:39,890 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 21:02:39,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:02:39,895 INFO L225 Difference]: With dead ends: 424 [2020-07-19 21:02:39,895 INFO L226 Difference]: Without dead ends: 325 [2020-07-19 21:02:39,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 21:02:39,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-07-19 21:02:39,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 260. [2020-07-19 21:02:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-07-19 21:02:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2020-07-19 21:02:39,966 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2020-07-19 21:02:39,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:02:39,966 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2020-07-19 21:02:39,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:02:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2020-07-19 21:02:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 21:02:39,969 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:02:39,969 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] [2020-07-19 21:02:39,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:02:39,970 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:02:39,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:02:39,970 INFO L82 PathProgramCache]: Analyzing trace with hash -306167776, now seen corresponding path program 1 times [2020-07-19 21:02:39,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:02:39,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907356824] [2020-07-19 21:02:39,971 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42975541 [2020-07-19 21:02:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:40,284 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:02:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:40,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:02:40,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907356824] [2020-07-19 21:02:40,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:02:40,412 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 21:02:40,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94787997] [2020-07-19 21:02:40,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:02:40,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:02:40,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:02:40,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:02:40,414 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 12 states. [2020-07-19 21:02:40,872 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:02:41,187 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:02:41,441 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:02:41,674 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:02:42,257 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 21:02:43,070 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:02:43,479 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:02:43,813 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:02:44,110 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 21:02:44,394 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:02:44,765 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:02:45,111 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 21:02:45,457 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 21:02:46,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:02:46,770 INFO L93 Difference]: Finished difference Result 1047 states and 1392 transitions. [2020-07-19 21:02:46,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 21:02:46,772 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-19 21:02:46,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:02:46,780 INFO L225 Difference]: With dead ends: 1047 [2020-07-19 21:02:46,780 INFO L226 Difference]: Without dead ends: 811 [2020-07-19 21:02:46,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-19 21:02:46,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-07-19 21:02:46,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 706. [2020-07-19 21:02:46,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-07-19 21:02:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 874 transitions. [2020-07-19 21:02:46,961 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 874 transitions. Word has length 57 [2020-07-19 21:02:46,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:02:46,962 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 874 transitions. [2020-07-19 21:02:46,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:02:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 874 transitions. [2020-07-19 21:02:46,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-19 21:02:46,967 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:02:46,967 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] [2020-07-19 21:02:46,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 21:02:46,967 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:02:46,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:02:46,968 INFO L82 PathProgramCache]: Analyzing trace with hash -714386778, now seen corresponding path program 1 times [2020-07-19 21:02:46,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:02:46,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959060187] [2020-07-19 21:02:46,968 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42975541 [2020-07-19 21:02:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,209 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:02:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:02:47,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959060187] [2020-07-19 21:02:47,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:02:47,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 21:02:47,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104436679] [2020-07-19 21:02:47,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 21:02:47,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:02:47,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 21:02:47,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:02:47,352 INFO L87 Difference]: Start difference. First operand 706 states and 874 transitions. Second operand 6 states. [2020-07-19 21:02:47,641 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:02:48,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:02:48,403 INFO L93 Difference]: Finished difference Result 1181 states and 1540 transitions. [2020-07-19 21:02:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 21:02:48,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-19 21:02:48,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:02:48,409 INFO L225 Difference]: With dead ends: 1181 [2020-07-19 21:02:48,409 INFO L226 Difference]: Without dead ends: 499 [2020-07-19 21:02:48,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:02:48,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-07-19 21:02:48,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 432. [2020-07-19 21:02:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-07-19 21:02:48,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 491 transitions. [2020-07-19 21:02:48,510 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 491 transitions. Word has length 61 [2020-07-19 21:02:48,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:02:48,511 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 491 transitions. [2020-07-19 21:02:48,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 21:02:48,511 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 491 transitions. [2020-07-19 21:02:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-19 21:02:48,514 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:02:48,514 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:02:48,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 21:02:48,515 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:02:48,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:02:48,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1764824326, now seen corresponding path program 1 times [2020-07-19 21:02:48,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:02:48,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202339928] [2020-07-19 21:02:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42975541 [2020-07-19 21:02:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,776 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:02:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 21:02:48,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202339928] [2020-07-19 21:02:48,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216950196] [2020-07-19 21:02:48,941 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@42975541 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:02:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:02:49,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 758 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 21:02:49,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:02:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:02:49,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:02:49,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-19 21:02:49,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263138912] [2020-07-19 21:02:49,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 21:02:49,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:02:49,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 21:02:49,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:02:49,252 INFO L87 Difference]: Start difference. First operand 432 states and 491 transitions. Second operand 12 states. [2020-07-19 21:02:49,857 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 21:02:50,413 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 21:02:51,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:02:51,421 INFO L93 Difference]: Finished difference Result 605 states and 715 transitions. [2020-07-19 21:02:51,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:02:51,422 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-19 21:02:51,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:02:51,423 INFO L225 Difference]: With dead ends: 605 [2020-07-19 21:02:51,423 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:02:51,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:02:51,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:02:51,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:02:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:02:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:02:51,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-19 21:02:51,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:02:51,426 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:02:51,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 21:02:51,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:02:51,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:02:51,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 21:02:51,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:02:51,970 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 216 [2020-07-19 21:02:52,287 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 211 [2020-07-19 21:02:52,574 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 215 [2020-07-19 21:02:55,912 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 21:02:56,281 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:02:56,445 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-07-19 21:02:56,585 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-19 21:02:57,413 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 21:02:58,082 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-19 21:02:58,551 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-19 21:02:59,001 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 21:02:59,205 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 21:02:59,606 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 21:03:00,265 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-19 21:03:00,413 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 21:03:01,174 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-19 21:03:01,913 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-19 21:03:02,061 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 21:03:02,697 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 21:03:02,808 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-19 21:03:03,238 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:03:03,628 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:03:03,782 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-19 21:03:04,420 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-19 21:03:04,808 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:03:04,959 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-19 21:03:05,381 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:03:05,487 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-19 21:03:06,023 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-19 21:03:06,489 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 21:03:06,974 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-19 21:03:07,013 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 408) no Hoare annotation was computed. [2020-07-19 21:03:07,013 INFO L268 CegarLoopResult]: For program point L409(lines 386 410) no Hoare annotation was computed. [2020-07-19 21:03:07,013 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 362 417) no Hoare annotation was computed. [2020-07-19 21:03:07,014 INFO L268 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2020-07-19 21:03:07,014 INFO L268 CegarLoopResult]: For program point L393-1(lines 393 397) no Hoare annotation was computed. [2020-07-19 21:03:07,014 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 362 417) no Hoare annotation was computed. [2020-07-19 21:03:07,014 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-07-19 21:03:07,014 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 362 417) no Hoare annotation was computed. [2020-07-19 21:03:07,015 INFO L268 CegarLoopResult]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2020-07-19 21:03:07,015 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-19 21:03:07,015 INFO L268 CegarLoopResult]: For program point L444-2(lines 444 469) no Hoare annotation was computed. [2020-07-19 21:03:07,015 INFO L268 CegarLoopResult]: For program point L470(lines 443 471) no Hoare annotation was computed. [2020-07-19 21:03:07,015 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 418 477) no Hoare annotation was computed. [2020-07-19 21:03:07,015 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 21:03:07,015 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 418 477) no Hoare annotation was computed. [2020-07-19 21:03:07,015 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-07-19 21:03:07,016 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 418 477) no Hoare annotation was computed. [2020-07-19 21:03:07,016 INFO L268 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-07-19 21:03:07,016 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2020-07-19 21:03:07,016 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2020-07-19 21:03:07,016 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2020-07-19 21:03:07,016 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2020-07-19 21:03:07,017 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2020-07-19 21:03:07,017 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-19 21:03:07,017 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 21:03:07,017 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-19 21:03:07,017 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-19 21:03:07,018 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-19 21:03:07,018 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-19 21:03:07,018 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-19 21:03:07,018 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-19 21:03:07,018 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-19 21:03:07,018 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-19 21:03:07,018 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 193 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:03:07,019 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2020-07-19 21:03:07,019 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (and (= main_~tmp~1 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:03:07,019 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 193 215) no Hoare annotation was computed. [2020-07-19 21:03:07,019 INFO L264 CegarLoopResult]: At program point L205-1(line 205) the Hoare annotation is: (or (and (= main_~tmp~1 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:03:07,019 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:03:07,019 INFO L268 CegarLoopResult]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:03:07,020 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-19 21:03:07,020 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:03:07,020 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:03:07,020 INFO L264 CegarLoopResult]: At program point L199-1(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:03:07,020 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-07-19 21:03:07,021 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-07-19 21:03:07,021 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 151 174) no Hoare annotation was computed. [2020-07-19 21:03:07,021 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-07-19 21:03:07,021 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-07-19 21:03:07,021 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-07-19 21:03:07,021 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 151 174) no Hoare annotation was computed. [2020-07-19 21:03:07,021 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-19 21:03:07,022 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 151 174) no Hoare annotation was computed. [2020-07-19 21:03:07,022 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-07-19 21:03:07,022 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-07-19 21:03:07,022 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-07-19 21:03:07,022 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-07-19 21:03:07,022 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-19 21:03:07,022 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-19 21:03:07,022 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-07-19 21:03:07,023 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-07-19 21:03:07,023 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,023 INFO L268 CegarLoopResult]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2020-07-19 21:03:07,023 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,023 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,024 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-07-19 21:03:07,024 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,024 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,024 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-07-19 21:03:07,024 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-07-19 21:03:07,024 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2020-07-19 21:03:07,025 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2020-07-19 21:03:07,025 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,025 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-07-19 21:03:07,025 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 21:03:07,025 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 874 888) no Hoare annotation was computed. [2020-07-19 21:03:07,025 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2020-07-19 21:03:07,025 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2020-07-19 21:03:07,026 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 810 818) no Hoare annotation was computed. [2020-07-19 21:03:07,026 INFO L268 CegarLoopResult]: For program point L864(lines 864 868) no Hoare annotation was computed. [2020-07-19 21:03:07,026 INFO L271 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: true [2020-07-19 21:03:07,026 INFO L268 CegarLoopResult]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2020-07-19 21:03:07,026 INFO L268 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-07-19 21:03:07,026 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2020-07-19 21:03:07,026 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2020-07-19 21:03:07,027 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 855 873) no Hoare annotation was computed. [2020-07-19 21:03:07,027 INFO L268 CegarLoopResult]: For program point L826(lines 826 834) no Hoare annotation was computed. [2020-07-19 21:03:07,027 INFO L268 CegarLoopResult]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2020-07-19 21:03:07,027 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-19 21:03:07,027 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-07-19 21:03:07,027 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 819 854) no Hoare annotation was computed. [2020-07-19 21:03:07,027 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 819 854) no Hoare annotation was computed. [2020-07-19 21:03:07,028 INFO L268 CegarLoopResult]: For program point L838(lines 838 846) no Hoare annotation was computed. [2020-07-19 21:03:07,028 INFO L268 CegarLoopResult]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2020-07-19 21:03:07,028 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 819 854) no Hoare annotation was computed. [2020-07-19 21:03:07,028 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:03:07,028 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2020-07-19 21:03:07,028 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 316 361) no Hoare annotation was computed. [2020-07-19 21:03:07,028 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 316 361) no Hoare annotation was computed. [2020-07-19 21:03:07,028 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 316 361) no Hoare annotation was computed. [2020-07-19 21:03:07,029 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 629 674) no Hoare annotation was computed. [2020-07-19 21:03:07,029 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 629 674) no Hoare annotation was computed. [2020-07-19 21:03:07,029 INFO L268 CegarLoopResult]: For program point L649(lines 649 656) no Hoare annotation was computed. [2020-07-19 21:03:07,029 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 629 674) no Hoare annotation was computed. [2020-07-19 21:03:07,029 INFO L268 CegarLoopResult]: For program point L643(lines 643 663) no Hoare annotation was computed. [2020-07-19 21:03:07,029 INFO L268 CegarLoopResult]: For program point L643-1(lines 643 663) no Hoare annotation was computed. [2020-07-19 21:03:07,029 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 183 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:03:07,030 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2020-07-19 21:03:07,030 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2020-07-19 21:03:07,030 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2020-07-19 21:03:07,030 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2020-07-19 21:03:07,030 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 799 809) no Hoare annotation was computed. [2020-07-19 21:03:07,030 INFO L271 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: true [2020-07-19 21:03:07,030 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-07-19 21:03:07,030 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2020-07-19 21:03:07,031 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2020-07-19 21:03:07,031 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2020-07-19 21:03:07,031 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,031 INFO L268 CegarLoopResult]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2020-07-19 21:03:07,031 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2020-07-19 21:03:07,031 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,031 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,031 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,032 INFO L268 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2020-07-19 21:03:07,032 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-07-19 21:03:07,032 INFO L268 CegarLoopResult]: For program point L747-1(line 747) no Hoare annotation was computed. [2020-07-19 21:03:07,032 INFO L268 CegarLoopResult]: For program point L745(lines 745 762) no Hoare annotation was computed. [2020-07-19 21:03:07,032 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2020-07-19 21:03:07,032 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2020-07-19 21:03:07,032 INFO L264 CegarLoopResult]: At program point testENTRY(lines 898 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 21:03:07,032 INFO L264 CegarLoopResult]: At program point L958(lines 907 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 21:03:07,032 INFO L268 CegarLoopResult]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2020-07-19 21:03:07,032 INFO L264 CegarLoopResult]: At program point L948(line 948) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-19 21:03:07,032 INFO L268 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-07-19 21:03:07,033 INFO L264 CegarLoopResult]: At program point L946-1(lines 938 953) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 21:03:07,033 INFO L268 CegarLoopResult]: For program point L909(lines 908 957) no Hoare annotation was computed. [2020-07-19 21:03:07,033 INFO L264 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-19 21:03:07,033 INFO L268 CegarLoopResult]: For program point L938(lines 938 953) no Hoare annotation was computed. [2020-07-19 21:03:07,033 INFO L264 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 21:03:07,033 INFO L268 CegarLoopResult]: For program point L928(lines 928 934) no Hoare annotation was computed. [2020-07-19 21:03:07,033 INFO L268 CegarLoopResult]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2020-07-19 21:03:07,033 INFO L264 CegarLoopResult]: At program point L955(lines 908 957) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 21:03:07,034 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)))) [2020-07-19 21:03:07,034 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-07-19 21:03:07,034 INFO L268 CegarLoopResult]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2020-07-19 21:03:07,034 INFO L268 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-07-19 21:03:07,034 INFO L268 CegarLoopResult]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2020-07-19 21:03:07,034 INFO L268 CegarLoopResult]: For program point L603(lines 603 610) no Hoare annotation was computed. [2020-07-19 21:03:07,034 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 583 628) no Hoare annotation was computed. [2020-07-19 21:03:07,035 INFO L268 CegarLoopResult]: For program point L597(lines 597 617) no Hoare annotation was computed. [2020-07-19 21:03:07,035 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 583 628) no Hoare annotation was computed. [2020-07-19 21:03:07,035 INFO L268 CegarLoopResult]: For program point L597-1(lines 597 617) no Hoare annotation was computed. [2020-07-19 21:03:07,035 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 583 628) no Hoare annotation was computed. [2020-07-19 21:03:07,035 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 766 773) no Hoare annotation was computed. [2020-07-19 21:03:07,035 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 766 773) no Hoare annotation was computed. [2020-07-19 21:03:07,035 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 766 773) no Hoare annotation was computed. [2020-07-19 21:03:07,035 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 300 308) no Hoare annotation was computed. [2020-07-19 21:03:07,036 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2020-07-19 21:03:07,036 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2020-07-19 21:03:07,036 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 268 290) no Hoare annotation was computed. [2020-07-19 21:03:07,036 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 268 290) no Hoare annotation was computed. [2020-07-19 21:03:07,036 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 268 290) no Hoare annotation was computed. [2020-07-19 21:03:07,036 INFO L268 CegarLoopResult]: For program point L276(lines 276 284) no Hoare annotation was computed. [2020-07-19 21:03:07,036 INFO L268 CegarLoopResult]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2020-07-19 21:03:07,036 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2020-07-19 21:03:07,036 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2020-07-19 21:03:07,037 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2020-07-19 21:03:07,037 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-19 21:03:07,037 INFO L268 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2020-07-19 21:03:07,037 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 480 582) no Hoare annotation was computed. [2020-07-19 21:03:07,037 INFO L268 CegarLoopResult]: For program point L504(lines 504 508) no Hoare annotation was computed. [2020-07-19 21:03:07,037 INFO L268 CegarLoopResult]: For program point L568(lines 568 579) no Hoare annotation was computed. [2020-07-19 21:03:07,037 INFO L268 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2020-07-19 21:03:07,037 INFO L268 CegarLoopResult]: For program point L529-2(lines 529 549) no Hoare annotation was computed. [2020-07-19 21:03:07,038 INFO L268 CegarLoopResult]: For program point L550(lines 528 551) no Hoare annotation was computed. [2020-07-19 21:03:07,038 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 480 582) no Hoare annotation was computed. [2020-07-19 21:03:07,038 INFO L268 CegarLoopResult]: For program point L509(lines 509 525) no Hoare annotation was computed. [2020-07-19 21:03:07,038 INFO L268 CegarLoopResult]: For program point L569(lines 569 576) no Hoare annotation was computed. [2020-07-19 21:03:07,038 INFO L268 CegarLoopResult]: For program point L530(lines 529 549) no Hoare annotation was computed. [2020-07-19 21:03:07,038 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 480 582) no Hoare annotation was computed. [2020-07-19 21:03:07,038 INFO L268 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-07-19 21:03:07,038 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-07-19 21:03:07,038 INFO L268 CegarLoopResult]: For program point L526(lines 526 567) no Hoare annotation was computed. [2020-07-19 21:03:07,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:03:07,039 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|)) [2020-07-19 21:03:07,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:03:07,039 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-07-19 21:03:07,039 INFO L268 CegarLoopResult]: For program point L785-1(lines 774 790) no Hoare annotation was computed. [2020-07-19 21:03:07,040 INFO L268 CegarLoopResult]: For program point L781(lines 781 787) no Hoare annotation was computed. [2020-07-19 21:03:07,040 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 774 790) no Hoare annotation was computed. [2020-07-19 21:03:07,040 INFO L268 CegarLoopResult]: For program point L779(line 779) no Hoare annotation was computed. [2020-07-19 21:03:07,040 INFO L268 CegarLoopResult]: For program point L779-1(line 779) no Hoare annotation was computed. [2020-07-19 21:03:07,040 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 774 790) no Hoare annotation was computed. [2020-07-19 21:03:07,040 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2020-07-19 21:03:07,040 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 291 299) no Hoare annotation was computed. [2020-07-19 21:03:07,040 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2020-07-19 21:03:07,040 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 21:03:07,041 INFO L268 CegarLoopResult]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2020-07-19 21:03:07,041 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2020-07-19 21:03:07,041 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:03:07,041 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 21:03:07,041 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:03:07,041 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (not (= 0 ~systemActive~0)) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 21:03:07,041 INFO L264 CegarLoopResult]: At program point L694(lines 694 700) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-19 21:03:07,042 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 1 |old(~waterLevel~0)|))))) [2020-07-19 21:03:07,042 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 21:03:07,042 INFO L268 CegarLoopResult]: For program point L687(lines 686 705) no Hoare annotation was computed. [2020-07-19 21:03:07,042 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2020-07-19 21:03:07,042 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2020-07-19 21:03:07,042 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-19 21:03:07,042 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2020-07-19 21:03:07,043 INFO L271 CegarLoopResult]: At program point L128-2(lines 128 142) the Hoare annotation is: true [2020-07-19 21:03:07,043 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2020-07-19 21:03:07,043 INFO L271 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: true [2020-07-19 21:03:07,043 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-07-19 21:03:07,043 INFO L271 CegarLoopResult]: At program point L143(lines 118 147) the Hoare annotation is: true [2020-07-19 21:03:07,043 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-19 21:03:07,043 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-19 21:03:07,043 INFO L271 CegarLoopResult]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2020-07-19 21:03:07,044 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2020-07-19 21:03:07,044 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 259 267) no Hoare annotation was computed. [2020-07-19 21:03:07,044 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2020-07-19 21:03:07,044 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2020-07-19 21:03:07,044 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2020-07-19 21:03:07,044 INFO L268 CegarLoopResult]: For program point L227-1(lines 223 234) no Hoare annotation was computed. [2020-07-19 21:03:07,044 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2020-07-19 21:03:07,044 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2020-07-19 21:03:07,044 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:03:07,045 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 21:03:07,045 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:03:07,045 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:03:07,045 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2020-07-19 21:03:07,045 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-19 21:03:07,045 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 889 896) no Hoare annotation was computed. [2020-07-19 21:03:07,045 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2020-07-19 21:03:07,045 INFO L268 CegarLoopResult]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2020-07-19 21:03:07,046 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-19 21:03:07,046 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 107 114) no Hoare annotation was computed. [2020-07-19 21:03:07,046 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-07-19 21:03:07,046 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2020-07-19 21:03:07,046 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2020-07-19 21:03:07,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:03:07 BoogieIcfgContainer [2020-07-19 21:03:07,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:03:07,067 INFO L168 Benchmark]: Toolchain (without parser) took 37393.23 ms. Allocated memory was 141.6 MB in the beginning and 692.6 MB in the end (delta: 551.0 MB). Free memory was 105.6 MB in the beginning and 249.4 MB in the end (delta: -143.8 MB). Peak memory consumption was 542.6 MB. Max. memory is 7.1 GB. [2020-07-19 21:03:07,067 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 21:03:07,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.93 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 105.2 MB in the beginning and 173.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-19 21:03:07,069 INFO L168 Benchmark]: Boogie Preprocessor took 88.77 ms. Allocated memory is still 204.5 MB. Free memory was 173.6 MB in the beginning and 169.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:03:07,070 INFO L168 Benchmark]: RCFGBuilder took 1138.40 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 169.8 MB in the beginning and 188.6 MB in the end (delta: -18.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:03:07,070 INFO L168 Benchmark]: TraceAbstraction took 35447.02 ms. Allocated memory was 233.3 MB in the beginning and 692.6 MB in the end (delta: 459.3 MB). Free memory was 188.6 MB in the beginning and 249.4 MB in the end (delta: -60.8 MB). Peak memory consumption was 533.8 MB. Max. memory is 7.1 GB. [2020-07-19 21:03:07,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.6 MB. Free memory was 124.7 MB in the beginning and 124.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.93 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 105.2 MB in the beginning and 173.6 MB in the end (delta: -68.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.77 ms. Allocated memory is still 204.5 MB. Free memory was 173.6 MB in the beginning and 169.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1138.40 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 169.8 MB in the beginning and 188.6 MB in the end (delta: -18.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 35447.02 ms. Allocated memory was 233.3 MB in the beginning and 692.6 MB in the end (delta: 459.3 MB). Free memory was 188.6 MB in the beginning and 249.4 MB in the end (delta: -60.8 MB). Peak memory consumption was 533.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 1630 SDslu, 631 SDs, 0 SdLazy, 3333 SolverSat, 1135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 270 GetRequests, 203 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 838 PreInvPairs, 906 NumberOfFragments, 1208 HoareAnnotationTreeSize, 838 FomulaSimplifications, 173921 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 23947 FormulaSimplificationTreeSizeReductionInter, 11.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 124526 SizeOfPredicates, 3 NumberOfNonLiveVariables, 758 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 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...