java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:37,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:37,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:37,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:37,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:37,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:37,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:37,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:37,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:37,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:37,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:37,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:37,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:37,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:37,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:37,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:37,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:37,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:37,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:37,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:37,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:37,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:37,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:37,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:37,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:37,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:37,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:37,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:37,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:37,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:37,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:37,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:37,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:37,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:37,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:37,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:37,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:37,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:37,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:37,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:37,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:37,417 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 [2019-09-20 13:06:37,442 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:37,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:37,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:37,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:37,445 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:37,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:37,445 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:37,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:37,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:37,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:37,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:37,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:37,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:37,448 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:37,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:37,448 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:37,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:37,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:37,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:37,449 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:37,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:37,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:37,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:37,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:37,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:37,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:37,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:37,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:37,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:37,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:37,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:37,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:37,513 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:37,513 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:37,514 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-20 13:06:37,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c3b98a4/876321b2010d41aca8b5406dbc4730ae/FLAG4ad3a470b [2019-09-20 13:06:38,099 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:38,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-20 13:06:38,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c3b98a4/876321b2010d41aca8b5406dbc4730ae/FLAG4ad3a470b [2019-09-20 13:06:38,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c3b98a4/876321b2010d41aca8b5406dbc4730ae [2019-09-20 13:06:38,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:38,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:38,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:38,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:38,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:38,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:38" (1/1) ... [2019-09-20 13:06:38,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4229c3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:38, skipping insertion in model container [2019-09-20 13:06:38,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:38" (1/1) ... [2019-09-20 13:06:38,503 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:38,564 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:39,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:39,210 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:39,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:39,403 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:39,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39 WrapperNode [2019-09-20 13:06:39,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:39,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:39,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:39,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:39,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39" (1/1) ... [2019-09-20 13:06:39,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39" (1/1) ... [2019-09-20 13:06:39,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39" (1/1) ... [2019-09-20 13:06:39,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39" (1/1) ... [2019-09-20 13:06:39,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39" (1/1) ... [2019-09-20 13:06:39,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39" (1/1) ... [2019-09-20 13:06:39,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39" (1/1) ... [2019-09-20 13:06:39,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:39,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:39,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:39,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:39,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39" (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 [2019-09-20 13:06:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:06:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:06:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:06:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:39,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:40,793 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:40,793 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:40,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:40 BoogieIcfgContainer [2019-09-20 13:06:40,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:40,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:40,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:40,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:40,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:38" (1/3) ... [2019-09-20 13:06:40,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4f2bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:40, skipping insertion in model container [2019-09-20 13:06:40,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:39" (2/3) ... [2019-09-20 13:06:40,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4f2bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:40, skipping insertion in model container [2019-09-20 13:06:40,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:40" (3/3) ... [2019-09-20 13:06:40,804 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2019-09-20 13:06:40,815 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:40,826 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:40,845 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:40,888 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:40,888 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:40,889 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:40,889 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:40,889 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:40,889 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:40,890 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:40,890 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:40,890 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:40,921 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-09-20 13:06:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:40,940 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:40,941 INFO L407 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] [2019-09-20 13:06:40,945 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:40,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:40,950 INFO L82 PathProgramCache]: Analyzing trace with hash -589768967, now seen corresponding path program 1 times [2019-09-20 13:06:40,952 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:40,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:41,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:41,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:41,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:41,382 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:41,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:41,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:41,402 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2019-09-20 13:06:41,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:41,450 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions. [2019-09-20 13:06:41,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:41,452 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:41,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:41,476 INFO L225 Difference]: With dead ends: 298 [2019-09-20 13:06:41,477 INFO L226 Difference]: Without dead ends: 149 [2019-09-20 13:06:41,482 INFO L636 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 [2019-09-20 13:06:41,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-09-20 13:06:41,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-09-20 13:06:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-09-20 13:06:41,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2019-09-20 13:06:41,540 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 46 [2019-09-20 13:06:41,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:41,541 INFO L475 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2019-09-20 13:06:41,541 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:41,541 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2019-09-20 13:06:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:41,548 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:41,548 INFO L407 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] [2019-09-20 13:06:41,549 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:41,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:41,550 INFO L82 PathProgramCache]: Analyzing trace with hash -211037911, now seen corresponding path program 1 times [2019-09-20 13:06:41,550 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:41,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:41,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:41,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:41,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:41,735 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:41,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:41,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:41,736 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2019-09-20 13:06:41,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:41,766 INFO L93 Difference]: Finished difference Result 241 states and 279 transitions. [2019-09-20 13:06:41,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:41,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:41,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:41,773 INFO L225 Difference]: With dead ends: 241 [2019-09-20 13:06:41,773 INFO L226 Difference]: Without dead ends: 140 [2019-09-20 13:06:41,775 INFO L636 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 [2019-09-20 13:06:41,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-09-20 13:06:41,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-09-20 13:06:41,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-09-20 13:06:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2019-09-20 13:06:41,795 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 47 [2019-09-20 13:06:41,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:41,796 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2019-09-20 13:06:41,796 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2019-09-20 13:06:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:06:41,798 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:41,799 INFO L407 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] [2019-09-20 13:06:41,799 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:41,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:41,799 INFO L82 PathProgramCache]: Analyzing trace with hash 607971640, now seen corresponding path program 1 times [2019-09-20 13:06:41,800 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:41,800 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:41,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:41,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:41,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:41,994 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:41,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:41,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:41,995 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2019-09-20 13:06:42,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:42,590 INFO L93 Difference]: Finished difference Result 422 states and 504 transitions. [2019-09-20 13:06:42,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:42,590 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:06:42,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:42,595 INFO L225 Difference]: With dead ends: 422 [2019-09-20 13:06:42,596 INFO L226 Difference]: Without dead ends: 306 [2019-09-20 13:06:42,597 INFO L636 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 [2019-09-20 13:06:42,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2019-09-20 13:06:42,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 298. [2019-09-20 13:06:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2019-09-20 13:06:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 356 transitions. [2019-09-20 13:06:42,654 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 356 transitions. Word has length 51 [2019-09-20 13:06:42,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:42,654 INFO L475 AbstractCegarLoop]: Abstraction has 298 states and 356 transitions. [2019-09-20 13:06:42,654 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 356 transitions. [2019-09-20 13:06:42,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:06:42,659 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:42,659 INFO L407 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] [2019-09-20 13:06:42,660 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:42,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:42,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1795694260, now seen corresponding path program 1 times [2019-09-20 13:06:42,661 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:42,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:42,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:42,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:42,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:42,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:42,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:42,803 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:42,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:42,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:42,804 INFO L87 Difference]: Start difference. First operand 298 states and 356 transitions. Second operand 10 states. [2019-09-20 13:06:43,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:43,555 INFO L93 Difference]: Finished difference Result 1072 states and 1372 transitions. [2019-09-20 13:06:43,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:43,555 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:06:43,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:43,563 INFO L225 Difference]: With dead ends: 1072 [2019-09-20 13:06:43,564 INFO L226 Difference]: Without dead ends: 798 [2019-09-20 13:06:43,567 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:06:43,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-09-20 13:06:43,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 786. [2019-09-20 13:06:43,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-09-20 13:06:43,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 972 transitions. [2019-09-20 13:06:43,641 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 972 transitions. Word has length 57 [2019-09-20 13:06:43,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:43,641 INFO L475 AbstractCegarLoop]: Abstraction has 786 states and 972 transitions. [2019-09-20 13:06:43,641 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:43,642 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 972 transitions. [2019-09-20 13:06:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:06:43,647 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:43,647 INFO L407 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] [2019-09-20 13:06:43,647 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:43,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:43,648 INFO L82 PathProgramCache]: Analyzing trace with hash 2070558330, now seen corresponding path program 1 times [2019-09-20 13:06:43,648 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:43,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:43,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:43,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:43,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:43,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:43,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:43,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:06:43,769 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:06:43,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:06:43,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:06:43,770 INFO L87 Difference]: Start difference. First operand 786 states and 972 transitions. Second operand 4 states. [2019-09-20 13:06:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:44,152 INFO L93 Difference]: Finished difference Result 1938 states and 2607 transitions. [2019-09-20 13:06:44,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:06:44,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:06:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:44,162 INFO L225 Difference]: With dead ends: 1938 [2019-09-20 13:06:44,162 INFO L226 Difference]: Without dead ends: 1176 [2019-09-20 13:06:44,166 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:06:44,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-09-20 13:06:44,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1041. [2019-09-20 13:06:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2019-09-20 13:06:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1298 transitions. [2019-09-20 13:06:44,247 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1298 transitions. Word has length 61 [2019-09-20 13:06:44,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:44,247 INFO L475 AbstractCegarLoop]: Abstraction has 1041 states and 1298 transitions. [2019-09-20 13:06:44,247 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:06:44,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1298 transitions. [2019-09-20 13:06:44,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:06:44,251 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:44,251 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:44,252 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:44,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:44,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1347234794, now seen corresponding path program 1 times [2019-09-20 13:06:44,252 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:44,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:44,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-20 13:06:44,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:44,410 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 [2019-09-20 13:06:44,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:06:44,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:44,788 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:06:44,798 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:44,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-20 13:06:44,799 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:06:44,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:06:44,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:06:44,800 INFO L87 Difference]: Start difference. First operand 1041 states and 1298 transitions. Second operand 12 states. [2019-09-20 13:06:48,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:48,468 INFO L93 Difference]: Finished difference Result 2442 states and 3287 transitions. [2019-09-20 13:06:48,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-20 13:06:48,469 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2019-09-20 13:06:48,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:48,480 INFO L225 Difference]: With dead ends: 2442 [2019-09-20 13:06:48,480 INFO L226 Difference]: Without dead ends: 1695 [2019-09-20 13:06:48,485 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-09-20 13:06:48,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2019-09-20 13:06:48,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1495. [2019-09-20 13:06:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2019-09-20 13:06:48,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1885 transitions. [2019-09-20 13:06:48,620 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1885 transitions. Word has length 88 [2019-09-20 13:06:48,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:48,622 INFO L475 AbstractCegarLoop]: Abstraction has 1495 states and 1885 transitions. [2019-09-20 13:06:48,622 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:06:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1885 transitions. [2019-09-20 13:06:48,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-20 13:06:48,634 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:48,634 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2019-09-20 13:06:48,636 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:48,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:48,636 INFO L82 PathProgramCache]: Analyzing trace with hash 451157407, now seen corresponding path program 1 times [2019-09-20 13:06:48,636 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:48,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:48,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:48,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:48,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-20 13:06:48,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:48,751 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 [2019-09-20 13:06:48,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:49,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:49,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-20 13:06:49,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:49,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-09-20 13:06:49,121 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:49,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:49,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:49,122 INFO L87 Difference]: Start difference. First operand 1495 states and 1885 transitions. Second operand 6 states. [2019-09-20 13:06:49,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:49,222 INFO L93 Difference]: Finished difference Result 3022 states and 4012 transitions. [2019-09-20 13:06:49,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:49,223 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2019-09-20 13:06:49,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:49,235 INFO L225 Difference]: With dead ends: 3022 [2019-09-20 13:06:49,236 INFO L226 Difference]: Without dead ends: 1551 [2019-09-20 13:06:49,243 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:49,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2019-09-20 13:06:49,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1535. [2019-09-20 13:06:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2019-09-20 13:06:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1929 transitions. [2019-09-20 13:06:49,341 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1929 transitions. Word has length 147 [2019-09-20 13:06:49,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:49,342 INFO L475 AbstractCegarLoop]: Abstraction has 1535 states and 1929 transitions. [2019-09-20 13:06:49,342 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1929 transitions. [2019-09-20 13:06:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-20 13:06:49,347 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:49,347 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2019-09-20 13:06:49,347 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:49,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:49,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1455245859, now seen corresponding path program 1 times [2019-09-20 13:06:49,348 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:49,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:49,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:49,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:49,458 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-20 13:06:49,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:49,458 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 [2019-09-20 13:06:49,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:49,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:06:49,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-20 13:06:49,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:49,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:06:49,751 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:49,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:49,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:49,753 INFO L87 Difference]: Start difference. First operand 1535 states and 1929 transitions. Second operand 11 states. [2019-09-20 13:06:49,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:49,870 INFO L93 Difference]: Finished difference Result 2783 states and 3600 transitions. [2019-09-20 13:06:49,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:49,870 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2019-09-20 13:06:49,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:49,878 INFO L225 Difference]: With dead ends: 2783 [2019-09-20 13:06:49,878 INFO L226 Difference]: Without dead ends: 1272 [2019-09-20 13:06:49,883 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:49,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2019-09-20 13:06:49,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1272. [2019-09-20 13:06:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2019-09-20 13:06:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1601 transitions. [2019-09-20 13:06:49,961 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1601 transitions. Word has length 147 [2019-09-20 13:06:49,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:49,962 INFO L475 AbstractCegarLoop]: Abstraction has 1272 states and 1601 transitions. [2019-09-20 13:06:49,962 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:49,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1601 transitions. [2019-09-20 13:06:49,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-09-20 13:06:49,966 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:49,966 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:49,966 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:49,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:49,967 INFO L82 PathProgramCache]: Analyzing trace with hash 154971906, now seen corresponding path program 1 times [2019-09-20 13:06:49,967 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:49,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:49,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:49,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:50,095 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:06:50,095 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:50,095 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:50,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:50,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:50,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:50,372 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:50,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-20 13:06:50,373 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:50,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:50,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:50,373 INFO L87 Difference]: Start difference. First operand 1272 states and 1601 transitions. Second operand 11 states. [2019-09-20 13:06:52,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:52,147 INFO L93 Difference]: Finished difference Result 2553 states and 3421 transitions. [2019-09-20 13:06:52,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:06:52,148 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2019-09-20 13:06:52,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:52,169 INFO L225 Difference]: With dead ends: 2553 [2019-09-20 13:06:52,169 INFO L226 Difference]: Without dead ends: 1460 [2019-09-20 13:06:52,176 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-20 13:06:52,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2019-09-20 13:06:52,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1158. [2019-09-20 13:06:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2019-09-20 13:06:52,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1453 transitions. [2019-09-20 13:06:52,276 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1453 transitions. Word has length 151 [2019-09-20 13:06:52,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:52,278 INFO L475 AbstractCegarLoop]: Abstraction has 1158 states and 1453 transitions. [2019-09-20 13:06:52,279 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1453 transitions. [2019-09-20 13:06:52,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-20 13:06:52,286 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:52,286 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:52,287 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:52,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:52,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1326265885, now seen corresponding path program 2 times [2019-09-20 13:06:52,287 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:52,287 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:52,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:52,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:52,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-20 13:06:52,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:52,581 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:52,655 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:06:52,818 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:06:52,819 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:06:52,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:06:52,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:52,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:06:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-20 13:06:53,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:53,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:06:53,028 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:06:53,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:06:53,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:53,029 INFO L87 Difference]: Start difference. First operand 1158 states and 1453 transitions. Second operand 16 states. [2019-09-20 13:06:55,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:55,604 INFO L93 Difference]: Finished difference Result 3249 states and 4398 transitions. [2019-09-20 13:06:55,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:06:55,605 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 204 [2019-09-20 13:06:55,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:55,620 INFO L225 Difference]: With dead ends: 3249 [2019-09-20 13:06:55,620 INFO L226 Difference]: Without dead ends: 2266 [2019-09-20 13:06:55,625 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=737, Unknown=0, NotChecked=0, Total=930 [2019-09-20 13:06:55,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2019-09-20 13:06:55,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 2060. [2019-09-20 13:06:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2060 states. [2019-09-20 13:06:55,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2571 transitions. [2019-09-20 13:06:55,769 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2571 transitions. Word has length 204 [2019-09-20 13:06:55,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:55,770 INFO L475 AbstractCegarLoop]: Abstraction has 2060 states and 2571 transitions. [2019-09-20 13:06:55,770 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:06:55,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2571 transitions. [2019-09-20 13:06:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-20 13:06:55,781 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:55,782 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:55,782 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:55,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:55,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1092218593, now seen corresponding path program 1 times [2019-09-20 13:06:55,783 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:55,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:55,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,788 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:06:55,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-09-20 13:06:55,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:55,938 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:56,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:56,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:06:56,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-20 13:06:56,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:56,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:06:56,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:06:56,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:06:56,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:06:56,210 INFO L87 Difference]: Start difference. First operand 2060 states and 2571 transitions. Second operand 13 states. [2019-09-20 13:06:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:56,291 INFO L93 Difference]: Finished difference Result 2705 states and 3337 transitions. [2019-09-20 13:06:56,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:06:56,292 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2019-09-20 13:06:56,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:56,293 INFO L225 Difference]: With dead ends: 2705 [2019-09-20 13:06:56,293 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:56,300 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:06:56,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:56,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:56,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2019-09-20 13:06:56,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:56,302 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:56,302 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:06:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:56,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:56,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:57,935 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 29 [2019-09-20 13:06:58,257 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 23 [2019-09-20 13:06:58,650 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2019-09-20 13:06:59,419 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2019-09-20 13:07:00,176 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-09-20 13:07:00,179 INFO L443 ceAbstractionStarter]: For program point L703(line 703) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point L702-2(lines 702 723) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point L724(lines 701 725) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 677 732) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 677 732) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 708 712) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 677 732) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 769) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point L765-1(lines 765 769) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-09-20 13:07:00,180 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 733 792) no Hoare annotation was computed. [2019-09-20 13:07:00,181 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 784) no Hoare annotation was computed. [2019-09-20 13:07:00,181 INFO L443 ceAbstractionStarter]: For program point L785(lines 758 786) no Hoare annotation was computed. [2019-09-20 13:07:00,181 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 733 792) no Hoare annotation was computed. [2019-09-20 13:07:00,181 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-09-20 13:07:00,181 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 733 792) no Hoare annotation was computed. [2019-09-20 13:07:00,181 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-09-20 13:07:00,181 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-09-20 13:07:00,181 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-09-20 13:07:00,181 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:07:00,182 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-09-20 13:07:00,182 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-09-20 13:07:00,182 INFO L439 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-09-20 13:07:00,182 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2019-09-20 13:07:00,182 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2019-09-20 13:07:00,182 INFO L439 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-09-20 13:07:00,182 INFO L443 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2019-09-20 13:07:00,182 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2019-09-20 13:07:00,182 INFO L443 ceAbstractionStarter]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2019-09-20 13:07:00,182 INFO L446 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: true [2019-09-20 13:07:00,183 INFO L443 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2019-09-20 13:07:00,183 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2019-09-20 13:07:00,183 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,183 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2019-09-20 13:07:00,183 INFO L439 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,183 INFO L439 ceAbstractionStarter]: At program point L501-1(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,183 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-09-20 13:07:00,183 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2019-09-20 13:07:00,183 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-09-20 13:07:00,184 INFO L439 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,184 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,184 INFO L439 ceAbstractionStarter]: At program point L495-1(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,184 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed. [2019-09-20 13:07:00,184 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 448 471) no Hoare annotation was computed. [2019-09-20 13:07:00,184 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 448 471) no Hoare annotation was computed. [2019-09-20 13:07:00,184 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 448 471) no Hoare annotation was computed. [2019-09-20 13:07:00,184 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-09-20 13:07:00,184 INFO L443 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2019-09-20 13:07:00,184 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-09-20 13:07:00,185 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 401 415) no Hoare annotation was computed. [2019-09-20 13:07:00,186 INFO L439 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0))))) [2019-09-20 13:07:00,186 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 401 415) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) .cse1)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse2))) [2019-09-20 13:07:00,186 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-09-20 13:07:00,186 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 401 415) no Hoare annotation was computed. [2019-09-20 13:07:00,186 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 318 326) no Hoare annotation was computed. [2019-09-20 13:07:00,186 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 318 326) the Hoare annotation is: true [2019-09-20 13:07:00,186 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 318 326) no Hoare annotation was computed. [2019-09-20 13:07:00,186 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 382 400) the Hoare annotation is: true [2019-09-20 13:07:00,186 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-09-20 13:07:00,187 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 382 400) no Hoare annotation was computed. [2019-09-20 13:07:00,187 INFO L446 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: true [2019-09-20 13:07:00,187 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2019-09-20 13:07:00,187 INFO L443 ceAbstractionStarter]: For program point L389-1(line 389) no Hoare annotation was computed. [2019-09-20 13:07:00,187 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 382 400) no Hoare annotation was computed. [2019-09-20 13:07:00,187 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 354) no Hoare annotation was computed. [2019-09-20 13:07:00,187 INFO L443 ceAbstractionStarter]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2019-09-20 13:07:00,187 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 327 362) no Hoare annotation was computed. [2019-09-20 13:07:00,188 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 342) no Hoare annotation was computed. [2019-09-20 13:07:00,188 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 342) no Hoare annotation was computed. [2019-09-20 13:07:00,188 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 327 362) no Hoare annotation was computed. [2019-09-20 13:07:00,188 INFO L443 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2019-09-20 13:07:00,188 INFO L443 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2019-09-20 13:07:00,188 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 327 362) no Hoare annotation was computed. [2019-09-20 13:07:00,188 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-09-20 13:07:00,189 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-09-20 13:07:00,189 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 631 676) no Hoare annotation was computed. [2019-09-20 13:07:00,189 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 631 676) no Hoare annotation was computed. [2019-09-20 13:07:00,189 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 631 676) no Hoare annotation was computed. [2019-09-20 13:07:00,189 INFO L443 ceAbstractionStarter]: For program point L958(lines 958 978) no Hoare annotation was computed. [2019-09-20 13:07:00,189 INFO L443 ceAbstractionStarter]: For program point L958-1(lines 958 978) no Hoare annotation was computed. [2019-09-20 13:07:00,189 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 944 989) no Hoare annotation was computed. [2019-09-20 13:07:00,189 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 944 989) no Hoare annotation was computed. [2019-09-20 13:07:00,189 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 944 989) no Hoare annotation was computed. [2019-09-20 13:07:00,190 INFO L443 ceAbstractionStarter]: For program point L964(lines 964 971) no Hoare annotation was computed. [2019-09-20 13:07:00,190 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 479 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,190 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 479 488) no Hoare annotation was computed. [2019-09-20 13:07:00,190 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 479 488) no Hoare annotation was computed. [2019-09-20 13:07:00,190 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 307 317) the Hoare annotation is: true [2019-09-20 13:07:00,190 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 307 317) no Hoare annotation was computed. [2019-09-20 13:07:00,190 INFO L446 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: true [2019-09-20 13:07:00,191 INFO L443 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2019-09-20 13:07:00,191 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 307 317) no Hoare annotation was computed. [2019-09-20 13:07:00,191 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 299 306) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:00,191 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 299 306) no Hoare annotation was computed. [2019-09-20 13:07:00,191 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 299 306) no Hoare annotation was computed. [2019-09-20 13:07:00,191 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 592 605) no Hoare annotation was computed. [2019-09-20 13:07:00,191 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-09-20 13:07:00,191 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 592 605) the Hoare annotation is: true [2019-09-20 13:07:00,192 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 592 605) no Hoare annotation was computed. [2019-09-20 13:07:00,192 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-09-20 13:07:00,192 INFO L439 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:00,192 INFO L443 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2019-09-20 13:07:00,192 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 269) no Hoare annotation was computed. [2019-09-20 13:07:00,192 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 248 272) no Hoare annotation was computed. [2019-09-20 13:07:00,192 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 248 272) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:00,193 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-09-20 13:07:00,193 INFO L443 ceAbstractionStarter]: For program point L267-1(lines 248 272) no Hoare annotation was computed. [2019-09-20 13:07:00,193 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:00,193 INFO L439 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~3)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:00,193 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 214 220) no Hoare annotation was computed. [2019-09-20 13:07:00,193 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 214 220) the Hoare annotation is: true [2019-09-20 13:07:00,193 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 112 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,193 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 128) no Hoare annotation was computed. [2019-09-20 13:07:00,194 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 112 177) no Hoare annotation was computed. [2019-09-20 13:07:00,194 INFO L439 ceAbstractionStarter]: At program point L170(lines 121 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,194 INFO L439 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) (and .cse0 (not (= 0 ~systemActive~0)))) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:00,194 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-09-20 13:07:00,194 INFO L439 ceAbstractionStarter]: At program point L158-1(lines 152 165) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:00,194 INFO L443 ceAbstractionStarter]: For program point L123(lines 122 169) no Hoare annotation was computed. [2019-09-20 13:07:00,194 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 165) no Hoare annotation was computed. [2019-09-20 13:07:00,195 INFO L439 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:00,195 INFO L443 ceAbstractionStarter]: For program point L142(lines 142 148) no Hoare annotation was computed. [2019-09-20 13:07:00,195 INFO L443 ceAbstractionStarter]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2019-09-20 13:07:00,195 INFO L439 ceAbstractionStarter]: At program point L167(lines 122 169) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-20 13:07:00,195 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-20 13:07:00,195 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-09-20 13:07:00,195 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2019-09-20 13:07:00,196 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 112 177) no Hoare annotation was computed. [2019-09-20 13:07:00,196 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 898 943) no Hoare annotation was computed. [2019-09-20 13:07:00,196 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 925) no Hoare annotation was computed. [2019-09-20 13:07:00,196 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 898 943) no Hoare annotation was computed. [2019-09-20 13:07:00,196 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 898 943) no Hoare annotation was computed. [2019-09-20 13:07:00,196 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2019-09-20 13:07:00,196 INFO L443 ceAbstractionStarter]: For program point L912-1(lines 912 932) no Hoare annotation was computed. [2019-09-20 13:07:00,196 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 273 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:00,196 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 273 280) no Hoare annotation was computed. [2019-09-20 13:07:00,197 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 273 280) no Hoare annotation was computed. [2019-09-20 13:07:00,197 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 606 614) no Hoare annotation was computed. [2019-09-20 13:07:00,197 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 606 614) the Hoare annotation is: true [2019-09-20 13:07:00,197 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 606 614) no Hoare annotation was computed. [2019-09-20 13:07:00,197 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 560 582) no Hoare annotation was computed. [2019-09-20 13:07:00,197 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 576) no Hoare annotation was computed. [2019-09-20 13:07:00,197 INFO L443 ceAbstractionStarter]: For program point L568-2(lines 568 576) no Hoare annotation was computed. [2019-09-20 13:07:00,197 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 560 582) no Hoare annotation was computed. [2019-09-20 13:07:00,198 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 560 582) no Hoare annotation was computed. [2019-09-20 13:07:00,198 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:07:00,198 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:07:00,198 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-09-20 13:07:00,198 INFO L443 ceAbstractionStarter]: For program point L865(lines 843 866) no Hoare annotation was computed. [2019-09-20 13:07:00,198 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 795 897) no Hoare annotation was computed. [2019-09-20 13:07:00,198 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 840) no Hoare annotation was computed. [2019-09-20 13:07:00,198 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 891) no Hoare annotation was computed. [2019-09-20 13:07:00,198 INFO L443 ceAbstractionStarter]: For program point L845(lines 844 864) no Hoare annotation was computed. [2019-09-20 13:07:00,199 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-09-20 13:07:00,199 INFO L443 ceAbstractionStarter]: For program point L876-1(line 876) no Hoare annotation was computed. [2019-09-20 13:07:00,199 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 882) no Hoare annotation was computed. [2019-09-20 13:07:00,199 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 795 897) no Hoare annotation was computed. [2019-09-20 13:07:00,199 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-09-20 13:07:00,199 INFO L443 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-09-20 13:07:00,199 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2019-09-20 13:07:00,199 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 894) no Hoare annotation was computed. [2019-09-20 13:07:00,200 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 795 897) no Hoare annotation was computed. [2019-09-20 13:07:00,200 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 850) no Hoare annotation was computed. [2019-09-20 13:07:00,200 INFO L443 ceAbstractionStarter]: For program point L844-2(lines 844 864) no Hoare annotation was computed. [2019-09-20 13:07:00,200 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,200 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:07:00,200 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,200 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-09-20 13:07:00,200 INFO L439 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:00,201 INFO L443 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2019-09-20 13:07:00,201 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 282 298) no Hoare annotation was computed. [2019-09-20 13:07:00,201 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 282 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:00,201 INFO L439 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:00,201 INFO L443 ceAbstractionStarter]: For program point L293-1(lines 282 298) no Hoare annotation was computed. [2019-09-20 13:07:00,201 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 583 591) the Hoare annotation is: true [2019-09-20 13:07:00,201 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 583 591) no Hoare annotation was computed. [2019-09-20 13:07:00,201 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 583 591) no Hoare annotation was computed. [2019-09-20 13:07:00,202 INFO L443 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2019-09-20 13:07:00,202 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 363 381) no Hoare annotation was computed. [2019-09-20 13:07:00,202 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 363 381) the Hoare annotation is: true [2019-09-20 13:07:00,202 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 363 381) no Hoare annotation was computed. [2019-09-20 13:07:00,202 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-09-20 13:07:00,202 INFO L446 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: true [2019-09-20 13:07:00,202 INFO L443 ceAbstractionStarter]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2019-09-20 13:07:00,202 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 539 550) no Hoare annotation was computed. [2019-09-20 13:07:00,203 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 539 550) the Hoare annotation is: true [2019-09-20 13:07:00,203 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 539 550) no Hoare annotation was computed. [2019-09-20 13:07:00,203 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,203 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,203 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,203 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-20 13:07:00,203 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0)))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (let ((.cse1 (+ ~waterLevel~0 1))) (and (<= .cse1 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse1))) (= ~systemActive~0 0) (and .cse2 .cse0) (not (<= 2 |old(~waterLevel~0)|)))))) [2019-09-20 13:07:00,203 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2019-09-20 13:07:00,204 INFO L439 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse7 .cse9 (not (= 0 ~systemActive~0)))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse9 .cse6))) (and (or (or .cse0 .cse1) .cse2 .cse3) (let ((.cse8 (+ ~waterLevel~0 1))) (let ((.cse4 (<= .cse8 |old(~waterLevel~0)|)) (.cse5 (<= |old(~waterLevel~0)| .cse8))) (or (= ~systemActive~0 0) .cse2 .cse1 (and .cse4 .cse5 .cse6) (and .cse4 .cse7 .cse5)))) (or .cse0 .cse3 (not (= |old(~waterLevel~0)| 1)))))) [2019-09-20 13:07:00,204 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2019-09-20 13:07:00,204 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or (= ~systemActive~0 0) .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1))) [2019-09-20 13:07:00,204 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 212) no Hoare annotation was computed. [2019-09-20 13:07:00,204 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2019-09-20 13:07:00,204 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2019-09-20 13:07:00,205 INFO L446 ceAbstractionStarter]: At program point L443(lines 418 447) the Hoare annotation is: true [2019-09-20 13:07:00,205 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-09-20 13:07:00,205 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-09-20 13:07:00,205 INFO L446 ceAbstractionStarter]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2019-09-20 13:07:00,205 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-09-20 13:07:00,205 INFO L446 ceAbstractionStarter]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2019-09-20 13:07:00,205 INFO L446 ceAbstractionStarter]: At program point L424(line 424) the Hoare annotation is: true [2019-09-20 13:07:00,205 INFO L443 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2019-09-20 13:07:00,206 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 551 559) the Hoare annotation is: true [2019-09-20 13:07:00,206 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 551 559) no Hoare annotation was computed. [2019-09-20 13:07:00,206 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 551 559) no Hoare annotation was computed. [2019-09-20 13:07:00,206 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 515 526) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:07:00,206 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 515 526) no Hoare annotation was computed. [2019-09-20 13:07:00,206 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2019-09-20 13:07:00,206 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 472 478) no Hoare annotation was computed. [2019-09-20 13:07:00,206 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 472 478) the Hoare annotation is: true [2019-09-20 13:07:00,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,207 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:07:00,207 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:07:00,207 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,207 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 222 246) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:00,207 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 222 246) no Hoare annotation was computed. [2019-09-20 13:07:00,207 INFO L439 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:00,207 INFO L443 ceAbstractionStarter]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2019-09-20 13:07:00,208 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:00,208 INFO L439 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:07:00,208 INFO L443 ceAbstractionStarter]: For program point L230(lines 230 238) no Hoare annotation was computed. [2019-09-20 13:07:00,208 INFO L439 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:00,208 INFO L443 ceAbstractionStarter]: For program point L228-1(line 228) no Hoare annotation was computed. [2019-09-20 13:07:00,208 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 243) no Hoare annotation was computed. [2019-09-20 13:07:00,208 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 527 538) no Hoare annotation was computed. [2019-09-20 13:07:00,209 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 527 538) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-20 13:07:00,209 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2019-09-20 13:07:00,209 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 616 623) no Hoare annotation was computed. [2019-09-20 13:07:00,209 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 616 623) the Hoare annotation is: true [2019-09-20 13:07:00,209 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-09-20 13:07:00,209 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 616 623) no Hoare annotation was computed. [2019-09-20 13:07:00,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:07:00 BoogieIcfgContainer [2019-09-20 13:07:00,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:07:00,225 INFO L168 Benchmark]: Toolchain (without parser) took 21737.78 ms. Allocated memory was 140.0 MB in the beginning and 551.6 MB in the end (delta: 411.6 MB). Free memory was 85.0 MB in the beginning and 209.8 MB in the end (delta: -124.7 MB). Peak memory consumption was 420.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,226 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 917.13 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 84.8 MB in the beginning and 164.3 MB in the end (delta: -79.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,227 INFO L168 Benchmark]: Boogie Preprocessor took 110.04 ms. Allocated memory is still 201.3 MB. Free memory was 164.3 MB in the beginning and 159.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,228 INFO L168 Benchmark]: RCFGBuilder took 1276.10 ms. Allocated memory was 201.3 MB in the beginning and 226.0 MB in the end (delta: 24.6 MB). Free memory was 159.9 MB in the beginning and 190.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,229 INFO L168 Benchmark]: TraceAbstraction took 19426.77 ms. Allocated memory was 226.0 MB in the beginning and 551.6 MB in the end (delta: 325.6 MB). Free memory was 189.5 MB in the beginning and 209.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 438.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 917.13 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 84.8 MB in the beginning and 164.3 MB in the end (delta: -79.4 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.04 ms. Allocated memory is still 201.3 MB. Free memory was 164.3 MB in the beginning and 159.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1276.10 ms. Allocated memory was 201.3 MB in the beginning and 226.0 MB in the end (delta: 24.6 MB). Free memory was 159.9 MB in the beginning and 190.9 MB in the end (delta: -30.9 MB). Peak memory consumption was 87.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19426.77 ms. Allocated memory was 226.0 MB in the beginning and 551.6 MB in the end (delta: 325.6 MB). Free memory was 189.5 MB in the beginning and 209.8 MB in the end (delta: -20.2 MB). Peak memory consumption was 438.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: 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: 121]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. SAFE Result, 19.3s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 10.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2053 SDtfs, 2631 SDslu, 6619 SDs, 0 SdLazy, 6712 SolverSat, 1592 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1143 GetRequests, 986 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2060occurred 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: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 879 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4111 PreInvPairs, 4230 NumberOfFragments, 1056 HoareAnnotationTreeSize, 4111 FomulaSimplifications, 18147 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 67 FomulaSimplificationsInter, 11527 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2144 NumberOfCodeBlocks, 2144 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2127 ConstructedInterpolants, 0 QuantifiedInterpolants, 472607 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5402 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 586/650 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...