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_spec3_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:23:30,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:23:30,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:23:30,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:23:30,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:23:30,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:23:30,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:23:30,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:23:30,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:23:30,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:23:30,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:23:30,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:23:30,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:23:30,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:23:30,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:23:30,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:23:30,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:23:30,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:23:30,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:23:30,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:23:30,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:23:30,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:23:30,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:23:30,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:23:30,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:23:30,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:23:30,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:23:30,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:23:30,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:23:30,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:23:30,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:23:30,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:23:30,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:23:30,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:23:30,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:23:30,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:23:30,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:23:30,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:23:30,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:23:30,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:23:30,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:23:30,438 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 [2019-10-02 14:23:30,474 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:23:30,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:23:30,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:23:30,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:23:30,478 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:23:30,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:23:30,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:23:30,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:23:30,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:23:30,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:23:30,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:23:30,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:23:30,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:23:30,483 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:23:30,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:23:30,483 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:23:30,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:23:30,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:23:30,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:23:30,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:23:30,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:23:30,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:23:30,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:23:30,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:23:30,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:23:30,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:23:30,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:23:30,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:23:30,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:23:30,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:23:30,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:23:30,536 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:23:30,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:23:30,537 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:23:30,538 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-10-02 14:23:30,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4fe6cceb/909b180c4fbc4fe184fcdd8750774d3c/FLAGb1ddf2277 [2019-10-02 14:23:31,098 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:23:31,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product54.cil.c [2019-10-02 14:23:31,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4fe6cceb/909b180c4fbc4fe184fcdd8750774d3c/FLAGb1ddf2277 [2019-10-02 14:23:31,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4fe6cceb/909b180c4fbc4fe184fcdd8750774d3c [2019-10-02 14:23:31,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:23:31,421 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:23:31,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:23:31,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:23:31,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:23:31,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:23:31" (1/1) ... [2019-10-02 14:23:31,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aceb178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:31, skipping insertion in model container [2019-10-02 14:23:31,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:23:31" (1/1) ... [2019-10-02 14:23:31,437 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:23:31,495 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:23:32,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:23:32,046 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:23:32,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:23:32,243 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:23:32,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32 WrapperNode [2019-10-02 14:23:32,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:23:32,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:23:32,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:23:32,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:23:32,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32" (1/1) ... [2019-10-02 14:23:32,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32" (1/1) ... [2019-10-02 14:23:32,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32" (1/1) ... [2019-10-02 14:23:32,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32" (1/1) ... [2019-10-02 14:23:32,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32" (1/1) ... [2019-10-02 14:23:32,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32" (1/1) ... [2019-10-02 14:23:32,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32" (1/1) ... [2019-10-02 14:23:32,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:23:32,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:23:32,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:23:32,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:23:32,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32" (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 [2019-10-02 14:23:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:23:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:23:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:23:32,453 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:23:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:23:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:23:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:23:32,455 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:23:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:23:32,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:23:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:23:32,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:23:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:23:32,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:23:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:23:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:23:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:23:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-02 14:23:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:23:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:23:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:23:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:23:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:23:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:23:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:23:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:23:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:23:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:23:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:23:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:23:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:23:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:23:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-02 14:23:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:23:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:23:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:23:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:23:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:23:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:23:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:23:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:23:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-02 14:23:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:23:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:23:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:23:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:23:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:23:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:23:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:23:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:23:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:23:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:23:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:23:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:23:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:23:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:23:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:23:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:23:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:23:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:23:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:23:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:23:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:23:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:23:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:23:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:23:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:23:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-02 14:23:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:23:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:23:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:23:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:23:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:23:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:23:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:23:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:23:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:23:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:23:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:23:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:23:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:23:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:23:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:23:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:23:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:23:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-02 14:23:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:23:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:23:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:23:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:23:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:23:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:23:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:23:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-02 14:23:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:23:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:23:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:23:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:23:33,623 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:23:33,624 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:23:33,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:23:33 BoogieIcfgContainer [2019-10-02 14:23:33,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:23:33,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:23:33,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:23:33,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:23:33,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:23:31" (1/3) ... [2019-10-02 14:23:33,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72edb3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:23:33, skipping insertion in model container [2019-10-02 14:23:33,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:23:32" (2/3) ... [2019-10-02 14:23:33,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72edb3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:23:33, skipping insertion in model container [2019-10-02 14:23:33,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:23:33" (3/3) ... [2019-10-02 14:23:33,633 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54.cil.c [2019-10-02 14:23:33,643 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:23:33,654 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:23:33,672 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:23:33,710 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:23:33,710 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:23:33,710 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:23:33,710 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:23:33,710 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:23:33,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:23:33,711 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:23:33,711 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:23:33,711 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:23:33,735 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2019-10-02 14:23:33,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-02 14:23:33,747 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:33,748 INFO L411 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] [2019-10-02 14:23:33,751 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:33,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:33,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1727770094, now seen corresponding path program 1 times [2019-10-02 14:23:33,758 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:33,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:33,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:33,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:33,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:34,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:34,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:23:34,134 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:23:34,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:23:34,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:23:34,156 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2019-10-02 14:23:34,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:34,206 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2019-10-02 14:23:34,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:23:34,207 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-02 14:23:34,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:34,222 INFO L225 Difference]: With dead ends: 306 [2019-10-02 14:23:34,222 INFO L226 Difference]: Without dead ends: 153 [2019-10-02 14:23:34,228 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:23:34,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2019-10-02 14:23:34,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2019-10-02 14:23:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2019-10-02 14:23:34,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2019-10-02 14:23:34,292 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2019-10-02 14:23:34,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:34,292 INFO L475 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2019-10-02 14:23:34,293 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:23:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2019-10-02 14:23:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-02 14:23:34,297 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:34,298 INFO L411 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] [2019-10-02 14:23:34,298 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:34,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:34,299 INFO L82 PathProgramCache]: Analyzing trace with hash -23295260, now seen corresponding path program 1 times [2019-10-02 14:23:34,299 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:34,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:34,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:34,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:34,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:34,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:34,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:23:34,447 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:23:34,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:23:34,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:23:34,448 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2019-10-02 14:23:34,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:34,474 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2019-10-02 14:23:34,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:23:34,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-02 14:23:34,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:34,478 INFO L225 Difference]: With dead ends: 251 [2019-10-02 14:23:34,478 INFO L226 Difference]: Without dead ends: 144 [2019-10-02 14:23:34,480 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:23:34,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-02 14:23:34,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-02 14:23:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-02 14:23:34,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2019-10-02 14:23:34,498 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2019-10-02 14:23:34,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:34,499 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2019-10-02 14:23:34,499 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:23:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2019-10-02 14:23:34,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-02 14:23:34,502 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:34,502 INFO L411 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] [2019-10-02 14:23:34,503 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:34,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:34,503 INFO L82 PathProgramCache]: Analyzing trace with hash 646991369, now seen corresponding path program 1 times [2019-10-02 14:23:34,503 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:34,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:34,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:34,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:34,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:34,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:34,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:34,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:23:34,751 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:23:34,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:23:34,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:23:34,752 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2019-10-02 14:23:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:35,184 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2019-10-02 14:23:35,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:23:35,187 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-02 14:23:35,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:35,193 INFO L225 Difference]: With dead ends: 264 [2019-10-02 14:23:35,193 INFO L226 Difference]: Without dead ends: 144 [2019-10-02 14:23:35,197 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:23:35,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-02 14:23:35,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-02 14:23:35,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-02 14:23:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-10-02 14:23:35,228 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2019-10-02 14:23:35,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:35,229 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-10-02 14:23:35,229 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:23:35,229 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-10-02 14:23:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-02 14:23:35,236 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:35,241 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:35,241 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:35,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:35,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1077665999, now seen corresponding path program 1 times [2019-10-02 14:23:35,242 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:35,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:35,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:35,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:35,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:35,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:35,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:35,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:23:35,477 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:23:35,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:23:35,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:23:35,479 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2019-10-02 14:23:36,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:36,139 INFO L93 Difference]: Finished difference Result 383 states and 463 transitions. [2019-10-02 14:23:36,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:23:36,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-10-02 14:23:36,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:36,148 INFO L225 Difference]: With dead ends: 383 [2019-10-02 14:23:36,148 INFO L226 Difference]: Without dead ends: 263 [2019-10-02 14:23:36,151 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:23:36,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2019-10-02 14:23:36,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 244. [2019-10-02 14:23:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2019-10-02 14:23:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 277 transitions. [2019-10-02 14:23:36,204 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 277 transitions. Word has length 76 [2019-10-02 14:23:36,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:36,205 INFO L475 AbstractCegarLoop]: Abstraction has 244 states and 277 transitions. [2019-10-02 14:23:36,206 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:23:36,209 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 277 transitions. [2019-10-02 14:23:36,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-02 14:23:36,211 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:36,212 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:36,213 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:36,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:36,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1489636928, now seen corresponding path program 1 times [2019-10-02 14:23:36,221 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:36,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:36,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:36,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:36,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:36,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:36,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:23:36,361 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:23:36,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:23:36,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:23:36,362 INFO L87 Difference]: Start difference. First operand 244 states and 277 transitions. Second operand 6 states. [2019-10-02 14:23:36,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:36,577 INFO L93 Difference]: Finished difference Result 591 states and 704 transitions. [2019-10-02 14:23:36,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:23:36,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2019-10-02 14:23:36,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:36,582 INFO L225 Difference]: With dead ends: 591 [2019-10-02 14:23:36,583 INFO L226 Difference]: Without dead ends: 371 [2019-10-02 14:23:36,584 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:23:36,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-10-02 14:23:36,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2019-10-02 14:23:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-10-02 14:23:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 422 transitions. [2019-10-02 14:23:36,640 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 422 transitions. Word has length 90 [2019-10-02 14:23:36,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:36,641 INFO L475 AbstractCegarLoop]: Abstraction has 367 states and 422 transitions. [2019-10-02 14:23:36,641 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:23:36,641 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 422 transitions. [2019-10-02 14:23:36,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-02 14:23:36,643 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:36,643 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:36,643 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:36,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:36,644 INFO L82 PathProgramCache]: Analyzing trace with hash -467189990, now seen corresponding path program 1 times [2019-10-02 14:23:36,644 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:36,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:36,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:36,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:36,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:36,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:36,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 14:23:36,803 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:23:36,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:23:36,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:23:36,804 INFO L87 Difference]: Start difference. First operand 367 states and 422 transitions. Second operand 6 states. [2019-10-02 14:23:37,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:37,071 INFO L93 Difference]: Finished difference Result 802 states and 959 transitions. [2019-10-02 14:23:37,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:23:37,074 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2019-10-02 14:23:37,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:37,080 INFO L225 Difference]: With dead ends: 802 [2019-10-02 14:23:37,081 INFO L226 Difference]: Without dead ends: 582 [2019-10-02 14:23:37,083 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:23:37,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2019-10-02 14:23:37,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2019-10-02 14:23:37,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-10-02 14:23:37,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 664 transitions. [2019-10-02 14:23:37,143 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 664 transitions. Word has length 94 [2019-10-02 14:23:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:37,144 INFO L475 AbstractCegarLoop]: Abstraction has 564 states and 664 transitions. [2019-10-02 14:23:37,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:23:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 664 transitions. [2019-10-02 14:23:37,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-02 14:23:37,151 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:37,151 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:37,151 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:37,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:37,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1892117019, now seen corresponding path program 1 times [2019-10-02 14:23:37,152 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:37,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:37,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:37,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:37,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:37,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:37,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:23:37,237 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:23:37,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:23:37,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:23:37,239 INFO L87 Difference]: Start difference. First operand 564 states and 664 transitions. Second operand 5 states. [2019-10-02 14:23:37,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:37,286 INFO L93 Difference]: Finished difference Result 991 states and 1193 transitions. [2019-10-02 14:23:37,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 14:23:37,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2019-10-02 14:23:37,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:37,291 INFO L225 Difference]: With dead ends: 991 [2019-10-02 14:23:37,292 INFO L226 Difference]: Without dead ends: 574 [2019-10-02 14:23:37,293 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:23:37,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2019-10-02 14:23:37,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 568. [2019-10-02 14:23:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2019-10-02 14:23:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 667 transitions. [2019-10-02 14:23:37,337 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 667 transitions. Word has length 94 [2019-10-02 14:23:37,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:37,338 INFO L475 AbstractCegarLoop]: Abstraction has 568 states and 667 transitions. [2019-10-02 14:23:37,338 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:23:37,338 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 667 transitions. [2019-10-02 14:23:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-02 14:23:37,341 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:37,341 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:37,341 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:37,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:37,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1743318755, now seen corresponding path program 1 times [2019-10-02 14:23:37,342 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:37,342 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:37,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:37,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:37,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:37,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:37,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-02 14:23:37,509 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 14:23:37,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 14:23:37,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 14:23:37,510 INFO L87 Difference]: Start difference. First operand 568 states and 667 transitions. Second operand 9 states. [2019-10-02 14:23:37,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:37,581 INFO L93 Difference]: Finished difference Result 1116 states and 1338 transitions. [2019-10-02 14:23:37,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:23:37,582 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2019-10-02 14:23:37,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:37,586 INFO L225 Difference]: With dead ends: 1116 [2019-10-02 14:23:37,586 INFO L226 Difference]: Without dead ends: 572 [2019-10-02 14:23:37,588 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:23:37,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-10-02 14:23:37,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2019-10-02 14:23:37,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2019-10-02 14:23:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 663 transitions. [2019-10-02 14:23:37,618 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 663 transitions. Word has length 94 [2019-10-02 14:23:37,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:37,619 INFO L475 AbstractCegarLoop]: Abstraction has 566 states and 663 transitions. [2019-10-02 14:23:37,619 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 14:23:37,619 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 663 transitions. [2019-10-02 14:23:37,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-02 14:23:37,621 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:37,621 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:37,621 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:37,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:37,622 INFO L82 PathProgramCache]: Analyzing trace with hash -794227168, now seen corresponding path program 1 times [2019-10-02 14:23:37,622 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:37,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:37,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:37,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:37,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:23:37,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:23:37,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-02 14:23:37,734 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 14:23:37,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 14:23:37,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:23:37,735 INFO L87 Difference]: Start difference. First operand 566 states and 663 transitions. Second operand 10 states. [2019-10-02 14:23:38,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:38,141 INFO L93 Difference]: Finished difference Result 1114 states and 1308 transitions. [2019-10-02 14:23:38,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 14:23:38,142 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2019-10-02 14:23:38,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:38,146 INFO L225 Difference]: With dead ends: 1114 [2019-10-02 14:23:38,146 INFO L226 Difference]: Without dead ends: 572 [2019-10-02 14:23:38,149 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:23:38,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-10-02 14:23:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 551. [2019-10-02 14:23:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2019-10-02 14:23:38,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 628 transitions. [2019-10-02 14:23:38,189 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 628 transitions. Word has length 95 [2019-10-02 14:23:38,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:38,191 INFO L475 AbstractCegarLoop]: Abstraction has 551 states and 628 transitions. [2019-10-02 14:23:38,191 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 14:23:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 628 transitions. [2019-10-02 14:23:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-02 14:23:38,197 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:38,197 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:38,198 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:38,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:38,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1193799331, now seen corresponding path program 1 times [2019-10-02 14:23:38,198 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:38,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:38,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:38,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:38,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 14:23:38,300 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:23:38,300 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:23:38,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:38,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-02 14:23:38,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:23:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:23:38,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:23:38,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2019-10-02 14:23:38,765 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 14:23:38,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 14:23:38,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-10-02 14:23:38,766 INFO L87 Difference]: Start difference. First operand 551 states and 628 transitions. Second operand 12 states. [2019-10-02 14:23:41,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:41,090 INFO L93 Difference]: Finished difference Result 1525 states and 1873 transitions. [2019-10-02 14:23:41,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-02 14:23:41,091 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 143 [2019-10-02 14:23:41,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:41,100 INFO L225 Difference]: With dead ends: 1525 [2019-10-02 14:23:41,101 INFO L226 Difference]: Without dead ends: 1075 [2019-10-02 14:23:41,104 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=472, Unknown=0, NotChecked=0, Total=600 [2019-10-02 14:23:41,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2019-10-02 14:23:41,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 981. [2019-10-02 14:23:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2019-10-02 14:23:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1140 transitions. [2019-10-02 14:23:41,168 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1140 transitions. Word has length 143 [2019-10-02 14:23:41,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:41,168 INFO L475 AbstractCegarLoop]: Abstraction has 981 states and 1140 transitions. [2019-10-02 14:23:41,168 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 14:23:41,168 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1140 transitions. [2019-10-02 14:23:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-02 14:23:41,171 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:41,171 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:41,171 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:41,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:41,172 INFO L82 PathProgramCache]: Analyzing trace with hash 2084196405, now seen corresponding path program 1 times [2019-10-02 14:23:41,172 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:41,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:41,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:41,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:41,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-02 14:23:41,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:23:41,262 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:23:41,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:41,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 14:23:41,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:23:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-02 14:23:41,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:23:41,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-10-02 14:23:41,577 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 14:23:41,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 14:23:41,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:23:41,578 INFO L87 Difference]: Start difference. First operand 981 states and 1140 transitions. Second operand 11 states. [2019-10-02 14:23:41,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:41,638 INFO L93 Difference]: Finished difference Result 1746 states and 2055 transitions. [2019-10-02 14:23:41,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:23:41,639 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2019-10-02 14:23:41,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:41,644 INFO L225 Difference]: With dead ends: 1746 [2019-10-02 14:23:41,644 INFO L226 Difference]: Without dead ends: 859 [2019-10-02 14:23:41,647 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:23:41,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2019-10-02 14:23:41,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2019-10-02 14:23:41,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2019-10-02 14:23:41,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 993 transitions. [2019-10-02 14:23:41,691 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 993 transitions. Word has length 139 [2019-10-02 14:23:41,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:41,692 INFO L475 AbstractCegarLoop]: Abstraction has 859 states and 993 transitions. [2019-10-02 14:23:41,692 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 14:23:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 993 transitions. [2019-10-02 14:23:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-02 14:23:41,694 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:23:41,695 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:23:41,695 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:23:41,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:23:41,695 INFO L82 PathProgramCache]: Analyzing trace with hash 2081124794, now seen corresponding path program 1 times [2019-10-02 14:23:41,695 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:23:41,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:23:41,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:41,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:41,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:23:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:41,787 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-02 14:23:41,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:23:41,788 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:23:41,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:23:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:23:41,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-02 14:23:41,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:23:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-02 14:23:42,107 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:23:42,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2019-10-02 14:23:42,108 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-02 14:23:42,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-02 14:23:42,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2019-10-02 14:23:42,112 INFO L87 Difference]: Start difference. First operand 859 states and 993 transitions. Second operand 15 states. [2019-10-02 14:23:45,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:23:45,664 INFO L93 Difference]: Finished difference Result 3033 states and 4166 transitions. [2019-10-02 14:23:45,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-10-02 14:23:45,664 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2019-10-02 14:23:45,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:23:45,669 INFO L225 Difference]: With dead ends: 3033 [2019-10-02 14:23:45,669 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:23:45,686 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2019-10-02 14:23:45,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:23:45,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:23:45,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:23:45,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:23:45,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2019-10-02 14:23:45,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:23:45,689 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:23:45,690 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-02 14:23:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:23:45,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:23:45,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:23:46,157 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 61 [2019-10-02 14:23:47,723 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-10-02 14:23:47,925 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2019-10-02 14:23:48,210 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:48,466 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-10-02 14:23:48,685 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 25 [2019-10-02 14:23:48,904 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-10-02 14:23:49,096 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-10-02 14:23:49,246 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:49,407 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 28 [2019-10-02 14:23:50,223 WARN L191 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2019-10-02 14:23:50,390 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-10-02 14:23:50,668 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 20 [2019-10-02 14:23:50,903 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:51,351 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 34 [2019-10-02 14:23:51,716 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 26 [2019-10-02 14:23:51,946 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:52,110 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:52,373 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2019-10-02 14:23:52,523 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:52,694 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-10-02 14:23:53,053 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 22 [2019-10-02 14:23:53,254 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 21 [2019-10-02 14:23:53,524 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 25 [2019-10-02 14:23:53,705 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 25 [2019-10-02 14:23:53,912 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-10-02 14:23:54,107 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-10-02 14:23:54,350 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-10-02 14:23:54,584 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-10-02 14:23:55,484 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 43 [2019-10-02 14:23:55,614 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 13 [2019-10-02 14:23:55,859 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 21 [2019-10-02 14:23:55,863 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-10-02 14:23:55,863 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 415 419) no Hoare annotation was computed. [2019-10-02 14:23:55,863 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-02 14:23:55,863 INFO L443 ceAbstractionStarter]: For program point L409-2(lines 409 430) no Hoare annotation was computed. [2019-10-02 14:23:55,863 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 384 439) no Hoare annotation was computed. [2019-10-02 14:23:55,863 INFO L443 ceAbstractionStarter]: For program point L431(lines 408 432) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 384 439) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 384 439) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 440 499) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point L466-2(lines 466 491) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 440 499) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point L492(lines 465 493) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 440 499) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-02 14:23:55,864 INFO L443 ceAbstractionStarter]: For program point L485-1(line 485) no Hoare annotation was computed. [2019-10-02 14:23:55,865 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2019-10-02 14:23:55,865 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2019-10-02 14:23:55,865 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2019-10-02 14:23:55,865 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2019-10-02 14:23:55,865 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2019-10-02 14:23:55,865 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:55,866 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2019-10-02 14:23:55,866 INFO L439 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:55,866 INFO L439 ceAbstractionStarter]: At program point L241-1(line 241) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= main_~tmp~0 1) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:55,866 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2019-10-02 14:23:55,866 INFO L443 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2019-10-02 14:23:55,866 INFO L443 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2019-10-02 14:23:55,866 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2019-10-02 14:23:55,867 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:55,867 INFO L439 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:55,867 INFO L439 ceAbstractionStarter]: At program point L235-1(line 235) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:55,867 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-02 14:23:55,867 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-10-02 14:23:55,867 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 184 207) no Hoare annotation was computed. [2019-10-02 14:23:55,868 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-10-02 14:23:55,868 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-02 14:23:55,868 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-10-02 14:23:55,868 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 184 207) no Hoare annotation was computed. [2019-10-02 14:23:55,868 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 184 207) no Hoare annotation was computed. [2019-10-02 14:23:55,868 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-02 14:23:55,868 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-10-02 14:23:55,869 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-02 14:23:55,869 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-02 14:23:55,869 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-10-02 14:23:55,869 INFO L443 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-10-02 14:23:55,869 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-02 14:23:55,869 INFO L443 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2019-10-02 14:23:55,869 INFO L443 ceAbstractionStarter]: For program point L194(line 194) no Hoare annotation was computed. [2019-10-02 14:23:55,869 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2019-10-02 14:23:55,870 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2019-10-02 14:23:55,870 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2019-10-02 14:23:55,870 INFO L443 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2019-10-02 14:23:55,870 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2019-10-02 14:23:55,870 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2019-10-02 14:23:55,870 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 984) no Hoare annotation was computed. [2019-10-02 14:23:55,870 INFO L446 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2019-10-02 14:23:55,870 INFO L443 ceAbstractionStarter]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2019-10-02 14:23:55,870 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2019-10-02 14:23:55,871 INFO L443 ceAbstractionStarter]: For program point L923(lines 923 931) no Hoare annotation was computed. [2019-10-02 14:23:55,871 INFO L443 ceAbstractionStarter]: For program point L923-2(lines 923 931) no Hoare annotation was computed. [2019-10-02 14:23:55,871 INFO L443 ceAbstractionStarter]: For program point L946(line 946) no Hoare annotation was computed. [2019-10-02 14:23:55,871 INFO L443 ceAbstractionStarter]: For program point L946-1(line 946) no Hoare annotation was computed. [2019-10-02 14:23:55,871 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 916 951) no Hoare annotation was computed. [2019-10-02 14:23:55,871 INFO L443 ceAbstractionStarter]: For program point L935(lines 935 943) no Hoare annotation was computed. [2019-10-02 14:23:55,871 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 916 951) no Hoare annotation was computed. [2019-10-02 14:23:55,871 INFO L443 ceAbstractionStarter]: For program point L935-2(lines 935 943) no Hoare annotation was computed. [2019-10-02 14:23:55,872 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 916 951) no Hoare annotation was computed. [2019-10-02 14:23:55,872 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2019-10-02 14:23:55,872 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2019-10-02 14:23:55,872 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 338 383) no Hoare annotation was computed. [2019-10-02 14:23:55,872 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 338 383) no Hoare annotation was computed. [2019-10-02 14:23:55,872 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 338 383) no Hoare annotation was computed. [2019-10-02 14:23:55,872 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 678) no Hoare annotation was computed. [2019-10-02 14:23:55,872 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 651 696) no Hoare annotation was computed. [2019-10-02 14:23:55,873 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 685) no Hoare annotation was computed. [2019-10-02 14:23:55,873 INFO L443 ceAbstractionStarter]: For program point L665-1(lines 665 685) no Hoare annotation was computed. [2019-10-02 14:23:55,873 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 651 696) no Hoare annotation was computed. [2019-10-02 14:23:55,873 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 651 696) no Hoare annotation was computed. [2019-10-02 14:23:55,873 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:55,873 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2019-10-02 14:23:55,873 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2019-10-02 14:23:55,874 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2019-10-02 14:23:55,874 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2019-10-02 14:23:55,874 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2019-10-02 14:23:55,874 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-10-02 14:23:55,874 INFO L443 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2019-10-02 14:23:55,874 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-02 14:23:55,874 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2019-10-02 14:23:55,875 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2019-10-02 14:23:55,875 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-02 14:23:55,875 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-02 14:23:55,875 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-02 14:23:55,875 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-02 14:23:55,875 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:55,875 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2019-10-02 14:23:55,876 INFO L439 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:55,876 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-10-02 14:23:55,876 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2019-10-02 14:23:55,876 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2019-10-02 14:23:55,876 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-10-02 14:23:55,876 INFO L439 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-02 14:23:55,877 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2019-10-02 14:23:55,877 INFO L439 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:55,877 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2019-10-02 14:23:55,877 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2019-10-02 14:23:55,877 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:55,877 INFO L439 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:23:55,878 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-10-02 14:23:55,878 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2019-10-02 14:23:55,878 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2019-10-02 14:23:55,878 INFO L439 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:23:55,878 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= ~waterLevel~0 2) (= ~pumpRunning~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:23:55,878 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-10-02 14:23:55,878 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2019-10-02 14:23:55,879 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-10-02 14:23:55,879 INFO L439 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-02 14:23:55,879 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-10-02 14:23:55,879 INFO L439 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:23:55,879 INFO L443 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-10-02 14:23:55,879 INFO L439 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 0)) (and .cse0 .cse1 .cse2 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-02 14:23:55,880 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-10-02 14:23:55,880 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2019-10-02 14:23:55,880 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 605 650) no Hoare annotation was computed. [2019-10-02 14:23:55,880 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 605 650) no Hoare annotation was computed. [2019-10-02 14:23:55,880 INFO L443 ceAbstractionStarter]: For program point L625(lines 625 632) no Hoare annotation was computed. [2019-10-02 14:23:55,880 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 605 650) no Hoare annotation was computed. [2019-10-02 14:23:55,880 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 639) no Hoare annotation was computed. [2019-10-02 14:23:55,881 INFO L443 ceAbstractionStarter]: For program point L619-1(lines 619 639) no Hoare annotation was computed. [2019-10-02 14:23:55,881 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-02 14:23:55,881 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-02 14:23:55,881 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-02 14:23:55,881 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-02 14:23:55,881 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-02 14:23:55,881 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-02 14:23:55,881 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-02 14:23:55,882 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-02 14:23:55,882 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 298 307) no Hoare annotation was computed. [2019-10-02 14:23:55,882 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 298 307) no Hoare annotation was computed. [2019-10-02 14:23:55,882 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 298 307) no Hoare annotation was computed. [2019-10-02 14:23:55,882 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 502 604) no Hoare annotation was computed. [2019-10-02 14:23:55,882 INFO L443 ceAbstractionStarter]: For program point L572(lines 550 573) no Hoare annotation was computed. [2019-10-02 14:23:55,882 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 547) no Hoare annotation was computed. [2019-10-02 14:23:55,882 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 598) no Hoare annotation was computed. [2019-10-02 14:23:55,883 INFO L443 ceAbstractionStarter]: For program point L552(lines 551 571) no Hoare annotation was computed. [2019-10-02 14:23:55,883 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-02 14:23:55,883 INFO L443 ceAbstractionStarter]: For program point L583-1(line 583) no Hoare annotation was computed. [2019-10-02 14:23:55,883 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 502 604) no Hoare annotation was computed. [2019-10-02 14:23:55,883 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 589) no Hoare annotation was computed. [2019-10-02 14:23:55,883 INFO L443 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2019-10-02 14:23:55,883 INFO L443 ceAbstractionStarter]: For program point L567-1(line 567) no Hoare annotation was computed. [2019-10-02 14:23:55,883 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 502 604) no Hoare annotation was computed. [2019-10-02 14:23:55,884 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-02 14:23:55,884 INFO L443 ceAbstractionStarter]: For program point L590(lines 590 601) no Hoare annotation was computed. [2019-10-02 14:23:55,884 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 557) no Hoare annotation was computed. [2019-10-02 14:23:55,884 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 571) no Hoare annotation was computed. [2019-10-02 14:23:55,884 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:23:55,884 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:23:55,884 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:23:55,884 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2019-10-02 14:23:55,885 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2019-10-02 14:23:55,885 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:23:55,885 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2019-10-02 14:23:55,885 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-02 14:23:55,885 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-02 14:23:55,885 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2019-10-02 14:23:55,885 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2019-10-02 14:23:55,885 INFO L446 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2019-10-02 14:23:55,886 INFO L443 ceAbstractionStarter]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2019-10-02 14:23:55,886 INFO L443 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-10-02 14:23:55,886 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2019-10-02 14:23:55,886 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2019-10-02 14:23:55,886 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-02 14:23:55,886 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse5 (= |old(~methaneLevelCritical~0)| 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (not .cse2)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse3)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse1 .cse3) (or .cse7 .cse5 .cse1 .cse6) (or .cse7 .cse2 .cse1 .cse4)))) [2019-10-02 14:23:55,887 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-02 14:23:55,887 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:23:55,887 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:23:55,887 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:23:55,887 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-02 14:23:55,887 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-02 14:23:55,887 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-02 14:23:55,887 INFO L439 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse4))) (and (or .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 1) (< ~waterLevel~0 2))) (or .cse3 .cse1 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse4) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (or (not (< |old(~waterLevel~0)| 2)) .cse3 .cse4) .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))))) [2019-10-02 14:23:55,888 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (and .cse1 (= ~pumpRunning~0 1) .cse2) .cse3) (or .cse4 .cse3 (and .cse1 (= ~pumpRunning~0 0) .cse2) .cse5) (or (or (not (< |old(~waterLevel~0)| 2)) .cse4 .cse5) .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse6)))) [2019-10-02 14:23:55,888 INFO L439 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6))) (and (let ((.cse0 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1) .cse2 (and .cse0 .cse3) .cse4)) (or .cse2 .cse4 .cse5) (or .cse2 .cse4 (not (<= 2 |old(~waterLevel~0)|)) (<= 1 ~waterLevel~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (<= 2 ~waterLevel~0) .cse3) .cse4 .cse6 (and .cse5 .cse1 (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 (not (<= 1 |old(~waterLevel~0)|)) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))))) [2019-10-02 14:23:55,888 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2019-10-02 14:23:55,888 INFO L439 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) (not (<= |old(~waterLevel~0)| 1)) .cse2)))) [2019-10-02 14:23:55,889 INFO L443 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2019-10-02 14:23:55,889 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2019-10-02 14:23:55,889 INFO L446 ceAbstractionStarter]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2019-10-02 14:23:55,889 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2019-10-02 14:23:55,889 INFO L446 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2019-10-02 14:23:55,889 INFO L443 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2019-10-02 14:23:55,889 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2019-10-02 14:23:55,889 INFO L446 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2019-10-02 14:23:55,890 INFO L443 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2019-10-02 14:23:55,890 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2019-10-02 14:23:55,890 INFO L446 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2019-10-02 14:23:55,890 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-10-02 14:23:55,890 INFO L439 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-02 14:23:55,890 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2019-10-02 14:23:55,890 INFO L443 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2019-10-02 14:23:55,890 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2019-10-02 14:23:55,891 INFO L439 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~1) .cse0 .cse1 .cse2) (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2))) [2019-10-02 14:23:55,891 INFO L443 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2019-10-02 14:23:55,891 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2019-10-02 14:23:55,891 INFO L443 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2019-10-02 14:23:55,891 INFO L439 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 __utac_acc__Specification3_spec__1_~tmp~1)) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse6 .cse3 .cse0) (or .cse5 .cse6 .cse4 .cse3))) [2019-10-02 14:23:55,891 INFO L443 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2019-10-02 14:23:55,891 INFO L443 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2019-10-02 14:23:55,891 INFO L446 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2019-10-02 14:23:55,892 INFO L443 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2019-10-02 14:23:55,892 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (or .cse0 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= |old(~waterLevel~0)| 2)) .cse1))) [2019-10-02 14:23:55,892 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-02 14:23:55,892 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-02 14:23:55,892 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2019-10-02 14:23:55,892 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2019-10-02 14:23:55,892 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:23:55,893 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-02 14:23:55,893 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:23:55,893 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:23:55,893 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2019-10-02 14:23:55,893 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse1 (= 1 ~systemActive~0)) (.cse0 (not (<= ~waterLevel~0 2)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse1 .cse0))) [2019-10-02 14:23:55,893 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2019-10-02 14:23:55,893 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-10-02 14:23:55,894 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2019-10-02 14:23:55,894 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:55,894 INFO L443 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2019-10-02 14:23:55,894 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-02 14:23:55,894 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-02 14:23:55,894 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-10-02 14:23:55,894 INFO L439 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-02 14:23:55,895 INFO L443 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2019-10-02 14:23:55,895 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-10-02 14:23:55,895 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-02 14:23:55,895 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-02 14:23:55,895 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0)) (.cse3 (not (< |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (<= ~waterLevel~0 2) .cse0) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) .cse4) (or .cse4 (or .cse3 .cse1 .cse2))))) [2019-10-02 14:23:55,895 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2019-10-02 14:23:55,895 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2019-10-02 14:23:55,896 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2019-10-02 14:23:55,896 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2019-10-02 14:23:55,896 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-10-02 14:23:55,896 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2019-10-02 14:23:55,896 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0))) [2019-10-02 14:23:55,897 INFO L439 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) (= ~pumpRunning~0 0) .cse0) (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-02 14:23:55,897 INFO L443 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2019-10-02 14:23:55,897 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:55,897 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:55,897 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-10-02 14:23:55,897 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= ~waterLevel~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 2)) .cse0))) [2019-10-02 14:23:55,897 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-02 14:23:55,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:23:55 BoogieIcfgContainer [2019-10-02 14:23:55,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:23:55,915 INFO L168 Benchmark]: Toolchain (without parser) took 24493.94 ms. Allocated memory was 138.9 MB in the beginning and 617.6 MB in the end (delta: 478.7 MB). Free memory was 85.2 MB in the beginning and 510.1 MB in the end (delta: -424.9 MB). Peak memory consumption was 444.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:55,916 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 14:23:55,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 822.21 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 85.0 MB in the beginning and 164.9 MB in the end (delta: -80.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:55,918 INFO L168 Benchmark]: Boogie Preprocessor took 119.58 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 160.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:55,919 INFO L168 Benchmark]: RCFGBuilder took 1260.76 ms. Allocated memory was 200.3 MB in the beginning and 222.8 MB in the end (delta: 22.5 MB). Free memory was 160.5 MB in the beginning and 187.6 MB in the end (delta: -27.1 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:55,920 INFO L168 Benchmark]: TraceAbstraction took 22287.01 ms. Allocated memory was 222.8 MB in the beginning and 617.6 MB in the end (delta: 394.8 MB). Free memory was 187.6 MB in the beginning and 510.1 MB in the end (delta: -322.4 MB). Peak memory consumption was 463.0 MB. Max. memory is 7.1 GB. [2019-10-02 14:23:55,924 INFO L335 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 822.21 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 85.0 MB in the beginning and 164.9 MB in the end (delta: -80.0 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.58 ms. Allocated memory is still 200.3 MB. Free memory was 164.9 MB in the beginning and 160.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1260.76 ms. Allocated memory was 200.3 MB in the beginning and 222.8 MB in the end (delta: 22.5 MB). Free memory was 160.5 MB in the beginning and 187.6 MB in the end (delta: -27.1 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22287.01 ms. Allocated memory was 222.8 MB in the beginning and 617.6 MB in the end (delta: 394.8 MB). Free memory was 187.6 MB in the beginning and 510.1 MB in the end (delta: -322.4 MB). Peak memory consumption was 463.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && waterLevel < 2) || !(\old(systemActive) == 1)) || (((1 == systemActive && 0 == splverifierCounter) && waterLevel <= 2) && pumpRunning == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. SAFE Result, 22.1s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 8.2s AutomataDifference, 0.0s DeadEndRemovalTime, 10.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2344 SDtfs, 2357 SDslu, 7787 SDs, 0 SdLazy, 6109 SolverSat, 1362 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 596 GetRequests, 470 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=981occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 168 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3070 PreInvPairs, 3651 NumberOfFragments, 1802 HoareAnnotationTreeSize, 3070 FomulaSimplifications, 13849 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 36766 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1556 NumberOfCodeBlocks, 1556 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1541 ConstructedInterpolants, 0 QuantifiedInterpolants, 273812 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2621 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 170/186 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...