/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:33:43,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:33:43,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:33:43,313 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:33:43,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:33:43,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:33:43,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:33:43,318 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:33:43,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:33:43,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:33:43,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:33:43,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:33:43,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:33:43,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:33:43,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:33:43,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:33:43,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:33:43,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:33:43,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:33:43,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:33:43,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:33:43,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:33:43,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:33:43,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:33:43,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:33:43,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:33:43,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:33:43,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:33:43,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:33:43,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:33:43,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:33:43,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:33:43,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:33:43,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:33:43,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:33:43,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:33:43,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:33:43,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:33:43,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:33:43,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:33:43,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:33:43,353 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 [2020-07-17 11:33:43,375 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:33:43,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:33:43,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:33:43,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:33:43,378 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:33:43,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:33:43,379 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:33:43,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:33:43,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:33:43,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:33:43,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:33:43,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:33:43,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:33:43,380 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:33:43,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:33:43,380 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:33:43,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:33:43,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:33:43,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:33:43,382 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:33:43,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:33:43,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:33:43,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:33:43,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:33:43,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:33:43,384 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:33:43,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:33:43,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:33:43,384 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:33:43,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:33:43,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:33:43,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:33:43,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:33:43,692 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:33:43,692 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:33:43,693 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-07-17 11:33:43,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aa711621/a9e629dcb5504caf970fd5537c8be371/FLAG842bab743 [2020-07-17 11:33:44,345 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:33:44,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-07-17 11:33:44,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aa711621/a9e629dcb5504caf970fd5537c8be371/FLAG842bab743 [2020-07-17 11:33:44,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1aa711621/a9e629dcb5504caf970fd5537c8be371 [2020-07-17 11:33:44,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:33:44,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:33:44,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:33:44,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:33:44,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:33:44,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:33:44" (1/1) ... [2020-07-17 11:33:44,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad067cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:44, skipping insertion in model container [2020-07-17 11:33:44,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:33:44" (1/1) ... [2020-07-17 11:33:44,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:33:44,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:33:44,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:33:45,116 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:33:45,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:33:45,280 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:33:45,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45 WrapperNode [2020-07-17 11:33:45,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:33:45,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:33:45,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:33:45,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:33:45,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45" (1/1) ... [2020-07-17 11:33:45,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45" (1/1) ... [2020-07-17 11:33:45,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45" (1/1) ... [2020-07-17 11:33:45,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45" (1/1) ... [2020-07-17 11:33:45,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45" (1/1) ... [2020-07-17 11:33:45,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45" (1/1) ... [2020-07-17 11:33:45,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45" (1/1) ... [2020-07-17 11:33:45,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:33:45,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:33:45,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:33:45,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:33:45,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45" (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 [2020-07-17 11:33:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:33:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:33:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:33:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:33:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:33:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:33:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:33:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:33:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:33:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:33:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:33:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:33:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:33:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:33:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:33:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:33:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:33:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:33:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:33:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:33:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:33:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:33:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:33:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:33:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:33:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:33:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:33:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:33:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:33:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:33:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:33:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:33:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:33:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:33:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:33:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:33:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:33:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:33:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:33:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:33:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:33:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:33:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:33:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:33:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:33:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:33:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:33:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:33:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:33:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:33:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:33:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:33:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:33:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:33:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:33:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:33:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:33:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:33:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:33:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:33:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:33:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:33:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:33:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:33:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:33:45,497 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:33:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:33:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:33:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:33:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:33:45,498 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:33:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-17 11:33:45,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:33:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:33:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:33:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:33:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:33:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:33:45,500 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:33:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:33:45,501 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:33:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:33:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:33:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:33:45,502 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:33:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:33:45,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:33:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:33:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:33:45,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:33:46,726 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:33:46,726 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:33:46,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:33:46 BoogieIcfgContainer [2020-07-17 11:33:46,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:33:46,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:33:46,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:33:46,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:33:46,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:33:44" (1/3) ... [2020-07-17 11:33:46,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98fb906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:33:46, skipping insertion in model container [2020-07-17 11:33:46,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:33:45" (2/3) ... [2020-07-17 11:33:46,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@98fb906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:33:46, skipping insertion in model container [2020-07-17 11:33:46,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:33:46" (3/3) ... [2020-07-17 11:33:46,739 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-07-17 11:33:46,750 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:33:46,758 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:33:46,772 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:33:46,796 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:33:46,797 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:33:46,797 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:33:46,797 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:33:46,797 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:33:46,798 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:33:46,798 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:33:46,798 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:33:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-07-17 11:33:46,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-17 11:33:46,830 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:33:46,831 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] [2020-07-17 11:33:46,832 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:33:46,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:33:46,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1827738968, now seen corresponding path program 1 times [2020-07-17 11:33:46,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:33:46,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947408197] [2020-07-17 11:33:46,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:33:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:47,428 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:33:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:47,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:33:47,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947408197] [2020-07-17 11:33:47,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:33:47,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 11:33:47,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481333925] [2020-07-17 11:33:47,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:33:47,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:33:47,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:33:47,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 11:33:47,555 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 3 states. [2020-07-17 11:33:48,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:33:48,599 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-07-17 11:33:48,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:33:48,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-17 11:33:48,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:33:48,616 INFO L225 Difference]: With dead ends: 261 [2020-07-17 11:33:48,617 INFO L226 Difference]: Without dead ends: 142 [2020-07-17 11:33:48,621 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 [2020-07-17 11:33:48,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-07-17 11:33:48,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-07-17 11:33:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-17 11:33:48,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-07-17 11:33:48,705 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-07-17 11:33:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:33:48,706 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-07-17 11:33:48,706 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:33:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-07-17 11:33:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-17 11:33:48,709 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:33:48,709 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] [2020-07-17 11:33:48,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:33:48,710 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:33:48,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:33:48,710 INFO L82 PathProgramCache]: Analyzing trace with hash 622240591, now seen corresponding path program 1 times [2020-07-17 11:33:48,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:33:48,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962210192] [2020-07-17 11:33:48,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:33:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:49,104 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:33:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:33:49,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962210192] [2020-07-17 11:33:49,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:33:49,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:33:49,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736335892] [2020-07-17 11:33:49,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:33:49,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:33:49,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:33:49,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:33:49,200 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-07-17 11:33:49,614 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:33:50,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:33:50,264 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-07-17 11:33:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 11:33:50,270 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-17 11:33:50,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:33:50,273 INFO L225 Difference]: With dead ends: 188 [2020-07-17 11:33:50,273 INFO L226 Difference]: Without dead ends: 126 [2020-07-17 11:33:50,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:33:50,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-17 11:33:50,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-07-17 11:33:50,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-17 11:33:50,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-07-17 11:33:50,307 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-07-17 11:33:50,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:33:50,308 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-07-17 11:33:50,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:33:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-07-17 11:33:50,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 11:33:50,310 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:33:50,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:33:50,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:33:50,310 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:33:50,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:33:50,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1297415431, now seen corresponding path program 1 times [2020-07-17 11:33:50,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:33:50,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851714409] [2020-07-17 11:33:50,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:33:50,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:50,623 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:33:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:33:50,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851714409] [2020-07-17 11:33:50,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:33:50,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:33:50,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291720472] [2020-07-17 11:33:50,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:33:50,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:33:50,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:33:50,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:33:50,692 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2020-07-17 11:33:51,096 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:33:51,403 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:51,663 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:51,928 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:52,669 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:33:53,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:33:53,964 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2020-07-17 11:33:53,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:33:53,966 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-17 11:33:53,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:33:53,972 INFO L225 Difference]: With dead ends: 351 [2020-07-17 11:33:53,973 INFO L226 Difference]: Without dead ends: 274 [2020-07-17 11:33:53,976 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 [2020-07-17 11:33:53,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-07-17 11:33:54,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2020-07-17 11:33:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-17 11:33:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2020-07-17 11:33:54,099 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2020-07-17 11:33:54,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:33:54,100 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2020-07-17 11:33:54,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:33:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2020-07-17 11:33:54,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 11:33:54,106 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:33:54,106 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] [2020-07-17 11:33:54,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:33:54,107 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:33:54,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:33:54,107 INFO L82 PathProgramCache]: Analyzing trace with hash -1649615923, now seen corresponding path program 1 times [2020-07-17 11:33:54,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:33:54,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132762640] [2020-07-17 11:33:54,108 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:33:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:54,452 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:33:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:33:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:33:54,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132762640] [2020-07-17 11:33:54,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:33:54,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:33:54,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030121354] [2020-07-17 11:33:54,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:33:54,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:33:54,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:33:54,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:33:54,550 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 12 states. [2020-07-17 11:33:54,982 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:33:55,300 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:55,572 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:55,811 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:56,320 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:33:57,147 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:33:57,494 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:33:57,764 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:33:58,013 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:33:58,247 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:33:58,532 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:33:58,829 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:33:59,127 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 11:34:00,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:00,254 INFO L93 Difference]: Finished difference Result 871 states and 1174 transitions. [2020-07-17 11:34:00,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-17 11:34:00,260 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-17 11:34:00,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:00,268 INFO L225 Difference]: With dead ends: 871 [2020-07-17 11:34:00,268 INFO L226 Difference]: Without dead ends: 675 [2020-07-17 11:34:00,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:34:00,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2020-07-17 11:34:00,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 582. [2020-07-17 11:34:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 582 states. [2020-07-17 11:34:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 724 transitions. [2020-07-17 11:34:00,410 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 724 transitions. Word has length 57 [2020-07-17 11:34:00,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:00,411 INFO L479 AbstractCegarLoop]: Abstraction has 582 states and 724 transitions. [2020-07-17 11:34:00,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:34:00,411 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 724 transitions. [2020-07-17 11:34:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-17 11:34:00,414 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:00,414 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] [2020-07-17 11:34:00,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:34:00,415 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:00,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:00,415 INFO L82 PathProgramCache]: Analyzing trace with hash 671694067, now seen corresponding path program 1 times [2020-07-17 11:34:00,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:00,416 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678158140] [2020-07-17 11:34:00,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,708 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:34:00,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678158140] [2020-07-17 11:34:00,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:34:00,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 11:34:00,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517348332] [2020-07-17 11:34:00,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:34:00,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:00,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:34:00,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 11:34:00,802 INFO L87 Difference]: Start difference. First operand 582 states and 724 transitions. Second operand 6 states. [2020-07-17 11:34:01,100 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:01,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:01,842 INFO L93 Difference]: Finished difference Result 973 states and 1255 transitions. [2020-07-17 11:34:01,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:34:01,842 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-17 11:34:01,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:01,847 INFO L225 Difference]: With dead ends: 973 [2020-07-17 11:34:01,847 INFO L226 Difference]: Without dead ends: 415 [2020-07-17 11:34:01,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:34:01,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-07-17 11:34:01,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 390. [2020-07-17 11:34:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-17 11:34:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 449 transitions. [2020-07-17 11:34:01,916 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 449 transitions. Word has length 61 [2020-07-17 11:34:01,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:01,916 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 449 transitions. [2020-07-17 11:34:01,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:34:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 449 transitions. [2020-07-17 11:34:01,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-17 11:34:01,919 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:34:01,919 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:34:01,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:34:01,920 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:34:01,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:34:01,920 INFO L82 PathProgramCache]: Analyzing trace with hash -511342643, now seen corresponding path program 1 times [2020-07-17 11:34:01,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:34:01,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518847305] [2020-07-17 11:34:01,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:34:01,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,246 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 11:34:02,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518847305] [2020-07-17 11:34:02,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239231603] [2020-07-17 11:34:02,414 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -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 [2020-07-17 11:34:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:34:02,667 INFO L264 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-17 11:34:02,690 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:34:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:34:02,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:34:02,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-17 11:34:02,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761454988] [2020-07-17 11:34:02,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:34:02,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:34:02,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:34:02,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:34:02,795 INFO L87 Difference]: Start difference. First operand 390 states and 449 transitions. Second operand 12 states. [2020-07-17 11:34:03,429 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-17 11:34:04,003 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 11:34:04,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:34:04,862 INFO L93 Difference]: Finished difference Result 522 states and 614 transitions. [2020-07-17 11:34:04,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:34:04,862 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-17 11:34:04,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:34:04,863 INFO L225 Difference]: With dead ends: 522 [2020-07-17 11:34:04,863 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:34:04,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:34:04,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:34:04,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:34:04,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:34:04,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:34:04,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2020-07-17 11:34:04,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:34:04,867 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:34:04,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:34:04,867 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:34:04,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:34:05,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-17 11:34:05,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:34:05,207 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 219 [2020-07-17 11:34:05,946 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 112 [2020-07-17 11:34:08,365 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-17 11:34:08,922 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-17 11:34:09,275 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:09,628 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-17 11:34:09,769 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 11:34:10,121 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-17 11:34:10,568 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 11:34:11,149 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 21 [2020-07-17 11:34:11,294 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-17 11:34:11,948 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-17 11:34:12,206 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-17 11:34:12,516 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:13,086 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-17 11:34:13,230 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-17 11:34:13,801 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-17 11:34:14,147 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:14,571 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:14,925 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:15,322 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-17 11:34:15,932 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 18 [2020-07-17 11:34:16,551 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-17 11:34:16,587 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:34:16,588 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-17 11:34:16,588 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 11:34:16,588 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-17 11:34:16,588 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:34:16,588 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-17 11:34:16,589 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:34:16,589 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-17 11:34:16,589 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-17 11:34:16,589 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-17 11:34:16,589 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:34:16,589 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:34:16,589 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-17 11:34:16,590 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-17 11:34:16,590 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:34:16,590 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-17 11:34:16,590 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-17 11:34:16,590 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-17 11:34:16,591 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 870 876) the Hoare annotation is: true [2020-07-17 11:34:16,591 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 870 876) no Hoare annotation was computed. [2020-07-17 11:34:16,591 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 877 885) no Hoare annotation was computed. [2020-07-17 11:34:16,591 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 877 885) the Hoare annotation is: true [2020-07-17 11:34:16,592 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 877 885) no Hoare annotation was computed. [2020-07-17 11:34:16,592 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-17 11:34:16,592 INFO L268 CegarLoopResult]: For program point L897-1(line 897) no Hoare annotation was computed. [2020-07-17 11:34:16,592 INFO L268 CegarLoopResult]: For program point L895(lines 895 908) no Hoare annotation was computed. [2020-07-17 11:34:16,593 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 887 911) the Hoare annotation is: true [2020-07-17 11:34:16,593 INFO L268 CegarLoopResult]: For program point L895-1(lines 887 911) no Hoare annotation was computed. [2020-07-17 11:34:16,593 INFO L271 CegarLoopResult]: At program point L893(line 893) the Hoare annotation is: true [2020-07-17 11:34:16,593 INFO L268 CegarLoopResult]: For program point L893-1(line 893) no Hoare annotation was computed. [2020-07-17 11:34:16,593 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 887 911) no Hoare annotation was computed. [2020-07-17 11:34:16,593 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-17 11:34:16,593 INFO L268 CegarLoopResult]: For program point L899(lines 899 905) no Hoare annotation was computed. [2020-07-17 11:34:16,594 INFO L264 CegarLoopResult]: At program point L834-1(line 834) 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))) [2020-07-17 11:34:16,594 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 828 850) 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))) [2020-07-17 11:34:16,594 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2020-07-17 11:34:16,594 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2020-07-17 11:34:16,594 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:34:16,595 INFO L264 CegarLoopResult]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:34:16,595 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-07-17 11:34:16,595 INFO L268 CegarLoopResult]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2020-07-17 11:34:16,595 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-07-17 11:34:16,595 INFO L264 CegarLoopResult]: At program point L835(line 835) 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))) [2020-07-17 11:34:16,595 INFO L264 CegarLoopResult]: At program point L834(line 834) 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))) [2020-07-17 11:34:16,596 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-17 11:34:16,596 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-17 11:34:16,596 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 784 807) no Hoare annotation was computed. [2020-07-17 11:34:16,596 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-17 11:34:16,596 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-17 11:34:16,596 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-17 11:34:16,596 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 784 807) no Hoare annotation was computed. [2020-07-17 11:34:16,597 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-17 11:34:16,597 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 784 807) no Hoare annotation was computed. [2020-07-17 11:34:16,597 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-17 11:34:16,597 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-17 11:34:16,597 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-17 11:34:16,597 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-17 11:34:16,597 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-17 11:34:16,597 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-07-17 11:34:16,598 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-07-17 11:34:16,598 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-17 11:34:16,598 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2020-07-17 11:34:16,601 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-17 11:34:16,602 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-07-17 11:34:16,602 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 660 674) 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))) [2020-07-17 11:34:16,602 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2020-07-17 11:34:16,602 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2020-07-17 11:34:16,602 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2020-07-17 11:34:16,602 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2020-07-17 11:34:16,603 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-07-17 11:34:16,603 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2020-07-17 11:34:16,603 INFO L271 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: true [2020-07-17 11:34:16,603 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2020-07-17 11:34:16,603 INFO L268 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-07-17 11:34:16,604 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2020-07-17 11:34:16,604 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2020-07-17 11:34:16,604 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-07-17 11:34:16,604 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-07-17 11:34:16,604 INFO L268 CegarLoopResult]: For program point L624(lines 624 632) no Hoare annotation was computed. [2020-07-17 11:34:16,604 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2020-07-17 11:34:16,605 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2020-07-17 11:34:16,605 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2020-07-17 11:34:16,605 INFO L268 CegarLoopResult]: For program point L612(lines 612 620) no Hoare annotation was computed. [2020-07-17 11:34:16,605 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2020-07-17 11:34:16,605 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2020-07-17 11:34:16,605 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 863 869) no Hoare annotation was computed. [2020-07-17 11:34:16,605 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 863 869) the Hoare annotation is: true [2020-07-17 11:34:16,605 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:34:16,606 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:34:16,606 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-17 11:34:16,606 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-17 11:34:16,606 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:34:16,606 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:34:16,606 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-17 11:34:16,606 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:34:16,607 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-17 11:34:16,607 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 815 824) 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))) [2020-07-17 11:34:16,607 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 815 824) no Hoare annotation was computed. [2020-07-17 11:34:16,607 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 815 824) no Hoare annotation was computed. [2020-07-17 11:34:16,607 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2020-07-17 11:34:16,607 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-17 11:34:16,608 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-17 11:34:16,608 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2020-07-17 11:34:16,608 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2020-07-17 11:34:16,608 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2020-07-17 11:34:16,608 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2020-07-17 11:34:16,608 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2020-07-17 11:34:16,608 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 544 568) no Hoare annotation was computed. [2020-07-17 11:34:16,608 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 544 568) 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))))) [2020-07-17 11:34:16,609 INFO L264 CegarLoopResult]: At program point L563(line 563) 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))))) [2020-07-17 11:34:16,609 INFO L268 CegarLoopResult]: For program point L563-1(lines 544 568) no Hoare annotation was computed. [2020-07-17 11:34:16,609 INFO L264 CegarLoopResult]: At program point L558(line 558) 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))))) [2020-07-17 11:34:16,609 INFO L264 CegarLoopResult]: At program point L554(line 554) 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))))) [2020-07-17 11:34:16,609 INFO L268 CegarLoopResult]: For program point L552(lines 552 560) no Hoare annotation was computed. [2020-07-17 11:34:16,609 INFO L264 CegarLoopResult]: At program point L550(line 550) 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))))) [2020-07-17 11:34:16,610 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-17 11:34:16,611 INFO L268 CegarLoopResult]: For program point L548(lines 548 565) no Hoare annotation was computed. [2020-07-17 11:34:16,612 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 536 542) no Hoare annotation was computed. [2020-07-17 11:34:16,612 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 536 542) the Hoare annotation is: true [2020-07-17 11:34:16,612 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2020-07-17 11:34:16,612 INFO L264 CegarLoopResult]: At program point testENTRY(lines 686 751) 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))) [2020-07-17 11:34:16,612 INFO L268 CegarLoopResult]: For program point L698(lines 698 702) no Hoare annotation was computed. [2020-07-17 11:34:16,612 INFO L268 CegarLoopResult]: For program point testFINAL(lines 686 751) no Hoare annotation was computed. [2020-07-17 11:34:16,612 INFO L264 CegarLoopResult]: At program point L744(lines 695 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:34:16,613 INFO L264 CegarLoopResult]: At program point L734(line 734) 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)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-17 11:34:16,613 INFO L268 CegarLoopResult]: For program point L732(lines 732 738) no Hoare annotation was computed. [2020-07-17 11:34:16,613 INFO L264 CegarLoopResult]: At program point L732-1(lines 726 739) 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)))) [2020-07-17 11:34:16,613 INFO L268 CegarLoopResult]: For program point L697(lines 696 743) no Hoare annotation was computed. [2020-07-17 11:34:16,613 INFO L268 CegarLoopResult]: For program point L726(lines 726 739) no Hoare annotation was computed. [2020-07-17 11:34:16,613 INFO L264 CegarLoopResult]: At program point L718(line 718) 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)))) [2020-07-17 11:34:16,613 INFO L268 CegarLoopResult]: For program point L716(lines 716 722) no Hoare annotation was computed. [2020-07-17 11:34:16,614 INFO L268 CegarLoopResult]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2020-07-17 11:34:16,614 INFO L264 CegarLoopResult]: At program point L741(lines 696 743) 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)))) [2020-07-17 11:34:16,614 INFO L264 CegarLoopResult]: At program point L708(line 708) 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)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1))) [2020-07-17 11:34:16,614 INFO L268 CegarLoopResult]: For program point testEXIT(lines 686 751) no Hoare annotation was computed. [2020-07-17 11:34:16,614 INFO L268 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2020-07-17 11:34:16,614 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:34:16,614 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:34:16,614 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-17 11:34:16,615 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-17 11:34:16,615 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:34:16,615 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-17 11:34:16,615 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-07-17 11:34:16,615 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-07-17 11:34:16,615 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-07-17 11:34:16,615 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-07-17 11:34:16,615 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-07-17 11:34:16,615 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-07-17 11:34:16,616 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-07-17 11:34:16,616 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-07-17 11:34:16,616 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-17 11:34:16,616 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:34:16,616 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-17 11:34:16,616 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-17 11:34:16,616 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-17 11:34:16,616 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-17 11:34:16,616 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:34:16,617 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-17 11:34:16,617 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:34:16,617 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-17 11:34:16,617 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-17 11:34:16,617 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-17 11:34:16,618 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-17 11:34:16,618 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-17 11:34:16,618 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-17 11:34:16,618 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-17 11:34:16,618 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 853 862) no Hoare annotation was computed. [2020-07-17 11:34:16,618 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 853 862) no Hoare annotation was computed. [2020-07-17 11:34:16,618 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 853 862) no Hoare annotation was computed. [2020-07-17 11:34:16,618 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:34:16,618 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= ~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~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-17 11:34:16,618 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:34:16,619 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 569 576) no Hoare annotation was computed. [2020-07-17 11:34:16,619 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 569 576) no Hoare annotation was computed. [2020-07-17 11:34:16,619 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 569 576) no Hoare annotation was computed. [2020-07-17 11:34:16,619 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2020-07-17 11:34:16,619 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-07-17 11:34:16,619 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-07-17 11:34:16,619 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:34:16,619 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:34:16,620 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:34:16,620 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) 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))) [2020-07-17 11:34:16,620 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-07-17 11:34:16,620 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-07-17 11:34:16,620 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 451 459) no Hoare annotation was computed. [2020-07-17 11:34:16,620 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-07-17 11:34:16,620 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-07-17 11:34:16,620 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 512 535) 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)|))))) [2020-07-17 11:34:16,620 INFO L264 CegarLoopResult]: At program point L525(line 525) 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))) [2020-07-17 11:34:16,620 INFO L264 CegarLoopResult]: At program point L523(lines 523 529) 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)|))))) [2020-07-17 11:34:16,620 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 512 535) no Hoare annotation was computed. [2020-07-17 11:34:16,621 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 512 535) no Hoare annotation was computed. [2020-07-17 11:34:16,621 INFO L264 CegarLoopResult]: At program point L518(line 518) 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)|))))) [2020-07-17 11:34:16,621 INFO L268 CegarLoopResult]: For program point L516(lines 515 534) no Hoare annotation was computed. [2020-07-17 11:34:16,621 INFO L268 CegarLoopResult]: For program point L768(lines 768 772) no Hoare annotation was computed. [2020-07-17 11:34:16,621 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 754 783) no Hoare annotation was computed. [2020-07-17 11:34:16,621 INFO L271 CegarLoopResult]: At program point L768-1(lines 768 772) the Hoare annotation is: true [2020-07-17 11:34:16,621 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-07-17 11:34:16,621 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 754 783) the Hoare annotation is: true [2020-07-17 11:34:16,621 INFO L271 CegarLoopResult]: At program point L764-2(lines 764 778) the Hoare annotation is: true [2020-07-17 11:34:16,622 INFO L271 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: true [2020-07-17 11:34:16,622 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-07-17 11:34:16,622 INFO L271 CegarLoopResult]: At program point L779(lines 754 783) the Hoare annotation is: true [2020-07-17 11:34:16,622 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-07-17 11:34:16,622 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-07-17 11:34:16,622 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-07-17 11:34:16,622 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-07-17 11:34:16,622 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 808 814) no Hoare annotation was computed. [2020-07-17 11:34:16,622 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 808 814) the Hoare annotation is: true [2020-07-17 11:34:16,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:34:16,623 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:34:16,623 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:34:16,623 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:34:16,623 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-07-17 11:34:16,623 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-07-17 11:34:16,623 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) 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)|))))) [2020-07-17 11:34:16,623 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 676 683) no Hoare annotation was computed. [2020-07-17 11:34:16,624 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2020-07-17 11:34:16,624 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 676 683) the Hoare annotation is: true [2020-07-17 11:34:16,624 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 676 683) no Hoare annotation was computed. [2020-07-17 11:34:16,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:34:16 BoogieIcfgContainer [2020-07-17 11:34:16,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:34:16,642 INFO L168 Benchmark]: Toolchain (without parser) took 32025.30 ms. Allocated memory was 145.2 MB in the beginning and 651.7 MB in the end (delta: 506.5 MB). Free memory was 102.1 MB in the beginning and 544.8 MB in the end (delta: -442.7 MB). Peak memory consumption was 523.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:16,643 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:34:16,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.74 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 173.6 MB in the end (delta: -71.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:16,645 INFO L168 Benchmark]: Boogie Preprocessor took 118.28 ms. Allocated memory is still 203.4 MB. Free memory was 173.6 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:16,646 INFO L168 Benchmark]: RCFGBuilder took 1331.55 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 169.5 MB in the beginning and 201.6 MB in the end (delta: -32.1 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:16,647 INFO L168 Benchmark]: TraceAbstraction took 29908.16 ms. Allocated memory was 236.5 MB in the beginning and 651.7 MB in the end (delta: 415.2 MB). Free memory was 200.2 MB in the beginning and 544.8 MB in the end (delta: -344.7 MB). Peak memory consumption was 530.7 MB. Max. memory is 7.1 GB. [2020-07-17 11:34:16,651 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.74 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 173.6 MB in the end (delta: -71.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.28 ms. Allocated memory is still 203.4 MB. Free memory was 173.6 MB in the beginning and 169.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1331.55 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 169.5 MB in the beginning and 201.6 MB in the end (delta: -32.1 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29908.16 ms. Allocated memory was 236.5 MB in the beginning and 651.7 MB in the end (delta: 415.2 MB). Free memory was 200.2 MB in the beginning and 544.8 MB in the end (delta: -344.7 MB). Peak memory consumption was 530.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 696]: 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) - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 220 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 568 SDtfs, 1333 SDslu, 544 SDs, 0 SdLazy, 2805 SolverSat, 864 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 201 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=582occurred 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, 229 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 618 PreInvPairs, 669 NumberOfFragments, 1010 HoareAnnotationTreeSize, 618 FomulaSimplifications, 69389 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 52 FomulaSimplificationsInter, 18970 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 122425 SizeOfPredicates, 3 NumberOfNonLiveVariables, 751 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 37/46 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...