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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:21,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:21,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:21,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:21,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:21,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:21,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:21,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:21,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:21,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:21,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:21,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:21,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:21,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:21,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:21,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:21,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:21,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:21,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:21,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:21,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:21,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:21,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:21,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:21,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:21,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:21,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:21,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:21,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:21,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:21,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:21,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:21,420 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:21,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:21,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:21,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:21,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:21,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:21,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:21,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:21,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:21,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:21,453 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:21,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:21,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:21,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:21,456 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:21,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:21,457 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:21,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:21,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:21,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:21,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:21,459 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:21,459 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:21,459 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:21,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:21,460 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:21,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:21,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:21,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:21,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:21,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:21,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:21,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:21,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:21,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:21,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:21,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:21,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:21,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:21,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:21,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:21,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:21,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:21,791 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:21,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2019-10-13 21:21:21,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f431129/6d4e4d8a07c54d1783468b0e7920b343/FLAG28f196f6f [2019-10-13 21:21:22,381 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:22,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product45.cil.c [2019-10-13 21:21:22,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f431129/6d4e4d8a07c54d1783468b0e7920b343/FLAG28f196f6f [2019-10-13 21:21:22,724 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31f431129/6d4e4d8a07c54d1783468b0e7920b343 [2019-10-13 21:21:22,735 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:22,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:22,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:22,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:22,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:22,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:22" (1/1) ... [2019-10-13 21:21:22,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:22, skipping insertion in model container [2019-10-13 21:21:22,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:22" (1/1) ... [2019-10-13 21:21:22,750 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:22,809 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:23,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:23,279 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:23,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:23,395 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:23,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23 WrapperNode [2019-10-13 21:21:23,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:23,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:23,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:23,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:23,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23" (1/1) ... [2019-10-13 21:21:23,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23" (1/1) ... [2019-10-13 21:21:23,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23" (1/1) ... [2019-10-13 21:21:23,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23" (1/1) ... [2019-10-13 21:21:23,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23" (1/1) ... [2019-10-13 21:21:23,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23" (1/1) ... [2019-10-13 21:21:23,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23" (1/1) ... [2019-10-13 21:21:23,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:23,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:23,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:23,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:23,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:21:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:21:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:23,555 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:23,559 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:21:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:21:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:23,560 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:23,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:23,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:23,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:24,635 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:24,636 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:24,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:24 BoogieIcfgContainer [2019-10-13 21:21:24,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:24,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:24,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:24,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:24,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:22" (1/3) ... [2019-10-13 21:21:24,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ff0fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:24, skipping insertion in model container [2019-10-13 21:21:24,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:23" (2/3) ... [2019-10-13 21:21:24,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ff0fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:24, skipping insertion in model container [2019-10-13 21:21:24,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:24" (3/3) ... [2019-10-13 21:21:24,646 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45.cil.c [2019-10-13 21:21:24,655 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:24,664 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:24,675 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:24,701 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:24,701 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:24,701 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:24,701 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:24,702 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:24,702 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:24,702 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:24,702 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:24,726 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2019-10-13 21:21:24,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:24,737 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:24,738 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:24,740 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:24,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:24,746 INFO L82 PathProgramCache]: Analyzing trace with hash -2079927920, now seen corresponding path program 1 times [2019-10-13 21:21:24,756 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:24,757 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176522053] [2019-10-13 21:21:24,757 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:24,757 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:24,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:25,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:25,140 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176522053] [2019-10-13 21:21:25,141 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:25,142 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:25,142 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154829079] [2019-10-13 21:21:25,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:25,149 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:25,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:25,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:25,168 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2019-10-13 21:21:25,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:25,216 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2019-10-13 21:21:25,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:25,218 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 21:21:25,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:25,233 INFO L225 Difference]: With dead ends: 272 [2019-10-13 21:21:25,233 INFO L226 Difference]: Without dead ends: 136 [2019-10-13 21:21:25,238 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:25,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-10-13 21:21:25,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-10-13 21:21:25,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-13 21:21:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 161 transitions. [2019-10-13 21:21:25,303 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 161 transitions. Word has length 52 [2019-10-13 21:21:25,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:25,304 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 161 transitions. [2019-10-13 21:21:25,304 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:25,304 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2019-10-13 21:21:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 21:21:25,309 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:25,309 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:25,310 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:25,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:25,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1292445192, now seen corresponding path program 1 times [2019-10-13 21:21:25,310 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:25,311 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081407410] [2019-10-13 21:21:25,311 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:25,311 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:25,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:25,422 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081407410] [2019-10-13 21:21:25,423 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:25,423 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:25,423 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906508324] [2019-10-13 21:21:25,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:25,426 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:25,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:25,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:25,426 INFO L87 Difference]: Start difference. First operand 136 states and 161 transitions. Second operand 3 states. [2019-10-13 21:21:25,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:25,452 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2019-10-13 21:21:25,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:25,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 21:21:25,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:25,455 INFO L225 Difference]: With dead ends: 221 [2019-10-13 21:21:25,456 INFO L226 Difference]: Without dead ends: 127 [2019-10-13 21:21:25,458 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:25,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-13 21:21:25,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-13 21:21:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-13 21:21:25,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2019-10-13 21:21:25,475 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 53 [2019-10-13 21:21:25,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:25,475 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2019-10-13 21:21:25,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:25,476 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2019-10-13 21:21:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:21:25,478 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:25,478 INFO L380 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] [2019-10-13 21:21:25,479 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:25,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:25,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1103725481, now seen corresponding path program 1 times [2019-10-13 21:21:25,479 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:25,480 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642319992] [2019-10-13 21:21:25,480 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:25,480 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:25,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:25,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642319992] [2019-10-13 21:21:25,646 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:25,646 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:25,646 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577188111] [2019-10-13 21:21:25,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:25,647 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:25,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:25,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:25,648 INFO L87 Difference]: Start difference. First operand 127 states and 149 transitions. Second operand 7 states. [2019-10-13 21:21:25,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:25,978 INFO L93 Difference]: Finished difference Result 230 states and 275 transitions. [2019-10-13 21:21:25,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:25,979 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 21:21:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:25,982 INFO L225 Difference]: With dead ends: 230 [2019-10-13 21:21:25,982 INFO L226 Difference]: Without dead ends: 127 [2019-10-13 21:21:25,986 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:25,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-13 21:21:26,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-13 21:21:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-13 21:21:26,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2019-10-13 21:21:26,017 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 57 [2019-10-13 21:21:26,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:26,018 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2019-10-13 21:21:26,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2019-10-13 21:21:26,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:21:26,030 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:26,030 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:26,030 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:26,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:26,031 INFO L82 PathProgramCache]: Analyzing trace with hash -2144023801, now seen corresponding path program 1 times [2019-10-13 21:21:26,031 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:26,032 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516292398] [2019-10-13 21:21:26,032 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:26,032 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:26,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:26,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:26,241 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516292398] [2019-10-13 21:21:26,242 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:26,242 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:26,242 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626467917] [2019-10-13 21:21:26,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:26,243 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:26,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:26,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:26,244 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 5 states. [2019-10-13 21:21:26,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:26,801 INFO L93 Difference]: Finished difference Result 343 states and 414 transitions. [2019-10-13 21:21:26,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:26,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-13 21:21:26,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:26,810 INFO L225 Difference]: With dead ends: 343 [2019-10-13 21:21:26,810 INFO L226 Difference]: Without dead ends: 240 [2019-10-13 21:21:26,814 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:26,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2019-10-13 21:21:26,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 222. [2019-10-13 21:21:26,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-10-13 21:21:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 254 transitions. [2019-10-13 21:21:26,866 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 254 transitions. Word has length 70 [2019-10-13 21:21:26,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:26,869 INFO L462 AbstractCegarLoop]: Abstraction has 222 states and 254 transitions. [2019-10-13 21:21:26,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 254 transitions. [2019-10-13 21:21:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:21:26,873 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:26,874 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:26,874 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:26,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:26,878 INFO L82 PathProgramCache]: Analyzing trace with hash 568030072, now seen corresponding path program 1 times [2019-10-13 21:21:26,878 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:26,878 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331997382] [2019-10-13 21:21:26,878 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:26,879 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:26,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:27,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331997382] [2019-10-13 21:21:27,009 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:27,009 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:27,009 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183362685] [2019-10-13 21:21:27,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:27,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:27,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:27,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:27,011 INFO L87 Difference]: Start difference. First operand 222 states and 254 transitions. Second operand 6 states. [2019-10-13 21:21:27,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:27,214 INFO L93 Difference]: Finished difference Result 546 states and 657 transitions. [2019-10-13 21:21:27,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:27,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-13 21:21:27,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:27,220 INFO L225 Difference]: With dead ends: 546 [2019-10-13 21:21:27,220 INFO L226 Difference]: Without dead ends: 348 [2019-10-13 21:21:27,221 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:27,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2019-10-13 21:21:27,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 344. [2019-10-13 21:21:27,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-10-13 21:21:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 400 transitions. [2019-10-13 21:21:27,275 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 400 transitions. Word has length 84 [2019-10-13 21:21:27,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:27,276 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 400 transitions. [2019-10-13 21:21:27,276 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 400 transitions. [2019-10-13 21:21:27,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:27,278 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:27,279 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:27,279 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:27,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:27,279 INFO L82 PathProgramCache]: Analyzing trace with hash 538208210, now seen corresponding path program 1 times [2019-10-13 21:21:27,280 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:27,280 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798621867] [2019-10-13 21:21:27,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:27,383 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798621867] [2019-10-13 21:21:27,384 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:27,384 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:27,384 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972896195] [2019-10-13 21:21:27,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:27,385 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:27,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:27,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:27,386 INFO L87 Difference]: Start difference. First operand 344 states and 400 transitions. Second operand 6 states. [2019-10-13 21:21:27,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:27,649 INFO L93 Difference]: Finished difference Result 735 states and 889 transitions. [2019-10-13 21:21:27,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:27,651 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-13 21:21:27,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:27,663 INFO L225 Difference]: With dead ends: 735 [2019-10-13 21:21:27,663 INFO L226 Difference]: Without dead ends: 537 [2019-10-13 21:21:27,665 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:27,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-10-13 21:21:27,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 519. [2019-10-13 21:21:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2019-10-13 21:21:27,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 617 transitions. [2019-10-13 21:21:27,723 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 617 transitions. Word has length 88 [2019-10-13 21:21:27,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:27,725 INFO L462 AbstractCegarLoop]: Abstraction has 519 states and 617 transitions. [2019-10-13 21:21:27,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 617 transitions. [2019-10-13 21:21:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:27,730 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:27,730 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:27,731 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:27,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:27,731 INFO L82 PathProgramCache]: Analyzing trace with hash -384475373, now seen corresponding path program 1 times [2019-10-13 21:21:27,731 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:27,731 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562753759] [2019-10-13 21:21:27,732 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,732 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:27,835 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562753759] [2019-10-13 21:21:27,836 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:27,836 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:27,836 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849496494] [2019-10-13 21:21:27,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:27,837 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:27,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:27,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:27,838 INFO L87 Difference]: Start difference. First operand 519 states and 617 transitions. Second operand 5 states. [2019-10-13 21:21:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:27,893 INFO L93 Difference]: Finished difference Result 902 states and 1094 transitions. [2019-10-13 21:21:27,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:27,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-10-13 21:21:27,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:27,898 INFO L225 Difference]: With dead ends: 902 [2019-10-13 21:21:27,899 INFO L226 Difference]: Without dead ends: 529 [2019-10-13 21:21:27,900 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:27,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2019-10-13 21:21:27,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2019-10-13 21:21:27,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2019-10-13 21:21:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 620 transitions. [2019-10-13 21:21:27,945 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 620 transitions. Word has length 88 [2019-10-13 21:21:27,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:27,945 INFO L462 AbstractCegarLoop]: Abstraction has 523 states and 620 transitions. [2019-10-13 21:21:27,946 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 620 transitions. [2019-10-13 21:21:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:27,948 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:27,948 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:27,952 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:27,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:27,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1228480875, now seen corresponding path program 1 times [2019-10-13 21:21:27,954 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:27,954 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993740834] [2019-10-13 21:21:27,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:27,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:28,089 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993740834] [2019-10-13 21:21:28,089 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:28,089 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:21:28,089 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905073725] [2019-10-13 21:21:28,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:28,090 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:28,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:28,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:28,091 INFO L87 Difference]: Start difference. First operand 523 states and 620 transitions. Second operand 9 states. [2019-10-13 21:21:28,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:28,163 INFO L93 Difference]: Finished difference Result 1039 states and 1258 transitions. [2019-10-13 21:21:28,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:28,163 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-10-13 21:21:28,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:28,167 INFO L225 Difference]: With dead ends: 1039 [2019-10-13 21:21:28,168 INFO L226 Difference]: Without dead ends: 540 [2019-10-13 21:21:28,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:28,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2019-10-13 21:21:28,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 530. [2019-10-13 21:21:28,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2019-10-13 21:21:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 627 transitions. [2019-10-13 21:21:28,201 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 627 transitions. Word has length 88 [2019-10-13 21:21:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:28,202 INFO L462 AbstractCegarLoop]: Abstraction has 530 states and 627 transitions. [2019-10-13 21:21:28,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 627 transitions. [2019-10-13 21:21:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 21:21:28,204 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:28,204 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:21:28,205 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:28,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:28,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1576561429, now seen corresponding path program 1 times [2019-10-13 21:21:28,205 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:28,206 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118340935] [2019-10-13 21:21:28,206 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,206 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:28,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:28,303 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118340935] [2019-10-13 21:21:28,303 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667951515] [2019-10-13 21:21:28,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:28,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-13 21:21:28,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:28,631 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:29,152 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:29,153 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-13 21:21:29,153 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832187216] [2019-10-13 21:21:29,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:29,154 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:29,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:29,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:29,155 INFO L87 Difference]: Start difference. First operand 530 states and 627 transitions. Second operand 8 states. [2019-10-13 21:21:29,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:29,681 INFO L93 Difference]: Finished difference Result 1529 states and 1849 transitions. [2019-10-13 21:21:29,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:29,682 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2019-10-13 21:21:29,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:29,688 INFO L225 Difference]: With dead ends: 1529 [2019-10-13 21:21:29,688 INFO L226 Difference]: Without dead ends: 1023 [2019-10-13 21:21:29,691 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2019-10-13 21:21:29,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1020. [2019-10-13 21:21:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1020 states. [2019-10-13 21:21:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1210 transitions. [2019-10-13 21:21:29,752 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1210 transitions. Word has length 100 [2019-10-13 21:21:29,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:29,753 INFO L462 AbstractCegarLoop]: Abstraction has 1020 states and 1210 transitions. [2019-10-13 21:21:29,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:29,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1210 transitions. [2019-10-13 21:21:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:21:29,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:29,757 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:21:29,961 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:29,962 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:29,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:29,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1589016711, now seen corresponding path program 1 times [2019-10-13 21:21:29,963 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:29,963 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073970688] [2019-10-13 21:21:29,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,963 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:30,113 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073970688] [2019-10-13 21:21:30,113 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,113 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:30,113 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670615815] [2019-10-13 21:21:30,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:30,114 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:30,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:30,115 INFO L87 Difference]: Start difference. First operand 1020 states and 1210 transitions. Second operand 10 states. [2019-10-13 21:21:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,451 INFO L93 Difference]: Finished difference Result 1966 states and 2377 transitions. [2019-10-13 21:21:30,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:30,452 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-10-13 21:21:30,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,458 INFO L225 Difference]: With dead ends: 1966 [2019-10-13 21:21:30,459 INFO L226 Difference]: Without dead ends: 970 [2019-10-13 21:21:30,462 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:30,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2019-10-13 21:21:30,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 954. [2019-10-13 21:21:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2019-10-13 21:21:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1118 transitions. [2019-10-13 21:21:30,513 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1118 transitions. Word has length 104 [2019-10-13 21:21:30,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,514 INFO L462 AbstractCegarLoop]: Abstraction has 954 states and 1118 transitions. [2019-10-13 21:21:30,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1118 transitions. [2019-10-13 21:21:30,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:21:30,517 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,517 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 21:21:30,517 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,518 INFO L82 PathProgramCache]: Analyzing trace with hash -109534195, now seen corresponding path program 1 times [2019-10-13 21:21:30,518 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,518 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908184573] [2019-10-13 21:21:30,518 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,519 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,519 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:30,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908184573] [2019-10-13 21:21:30,624 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,625 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:30,625 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891275273] [2019-10-13 21:21:30,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:30,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:30,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:30,626 INFO L87 Difference]: Start difference. First operand 954 states and 1118 transitions. Second operand 10 states. [2019-10-13 21:21:30,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,895 INFO L93 Difference]: Finished difference Result 1890 states and 2218 transitions. [2019-10-13 21:21:30,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:30,896 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-10-13 21:21:30,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,903 INFO L225 Difference]: With dead ends: 1890 [2019-10-13 21:21:30,903 INFO L226 Difference]: Without dead ends: 960 [2019-10-13 21:21:30,906 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:30,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2019-10-13 21:21:30,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 932. [2019-10-13 21:21:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2019-10-13 21:21:30,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1059 transitions. [2019-10-13 21:21:30,960 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1059 transitions. Word has length 104 [2019-10-13 21:21:30,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,961 INFO L462 AbstractCegarLoop]: Abstraction has 932 states and 1059 transitions. [2019-10-13 21:21:30,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1059 transitions. [2019-10-13 21:21:30,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-13 21:21:30,966 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,966 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:30,966 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,967 INFO L82 PathProgramCache]: Analyzing trace with hash 201521217, now seen corresponding path program 1 times [2019-10-13 21:21:30,967 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,967 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725830328] [2019-10-13 21:21:30,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 21:21:31,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725830328] [2019-10-13 21:21:31,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896501432] [2019-10-13 21:21:31,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:31,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-13 21:21:31,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:31,460 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-13 21:21:31,460 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:31,687 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:31,710 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:31,804 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 21:21:31,805 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:31,805 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-10-13 21:21:31,805 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450824905] [2019-10-13 21:21:31,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:31,806 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:31,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:31,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:31,807 INFO L87 Difference]: Start difference. First operand 932 states and 1059 transitions. Second operand 9 states. [2019-10-13 21:21:32,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:32,222 INFO L93 Difference]: Finished difference Result 1691 states and 2006 transitions. [2019-10-13 21:21:32,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:32,223 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2019-10-13 21:21:32,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:32,224 INFO L225 Difference]: With dead ends: 1691 [2019-10-13 21:21:32,224 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:32,229 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 282 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-10-13 21:21:32,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:32,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:32,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:32,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:32,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2019-10-13 21:21:32,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:32,230 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:32,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:32,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:32,436 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:32,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:33,144 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2019-10-13 21:21:33,348 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-10-13 21:21:33,750 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2019-10-13 21:21:33,861 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 20 [2019-10-13 21:21:33,974 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-10-13 21:21:34,292 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2019-10-13 21:21:34,717 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2019-10-13 21:21:34,970 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2019-10-13 21:21:35,145 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2019-10-13 21:21:35,300 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 26 [2019-10-13 21:21:35,822 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2019-10-13 21:21:36,167 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 39 [2019-10-13 21:21:36,301 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2019-10-13 21:21:36,405 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2019-10-13 21:21:36,585 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-10-13 21:21:36,840 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2019-10-13 21:21:36,974 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-13 21:21:37,217 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2019-10-13 21:21:37,359 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-13 21:21:37,523 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-10-13 21:21:37,782 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2019-10-13 21:21:37,949 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-13 21:21:38,690 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2019-10-13 21:21:38,945 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-13 21:21:38,947 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 672) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point L668-1(lines 668 672) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point L663(line 663) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point L662-2(lines 662 683) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 637 692) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point L684(lines 661 685) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 637 692) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 637 692) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 693 752) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2019-10-13 21:21:38,948 INFO L443 ceAbstractionStarter]: For program point L725-1(lines 725 729) no Hoare annotation was computed. [2019-10-13 21:21:38,949 INFO L443 ceAbstractionStarter]: For program point L720(line 720) no Hoare annotation was computed. [2019-10-13 21:21:38,949 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 693 752) no Hoare annotation was computed. [2019-10-13 21:21:38,949 INFO L443 ceAbstractionStarter]: For program point L719-2(lines 719 744) no Hoare annotation was computed. [2019-10-13 21:21:38,949 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 693 752) no Hoare annotation was computed. [2019-10-13 21:21:38,949 INFO L443 ceAbstractionStarter]: For program point L745(lines 718 746) no Hoare annotation was computed. [2019-10-13 21:21:38,949 INFO L443 ceAbstractionStarter]: For program point L738(line 738) no Hoare annotation was computed. [2019-10-13 21:21:38,949 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 559 565) the Hoare annotation is: true [2019-10-13 21:21:38,949 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 559 565) no Hoare annotation was computed. [2019-10-13 21:21:38,949 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 566 574) no Hoare annotation was computed. [2019-10-13 21:21:38,950 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 566 574) the Hoare annotation is: true [2019-10-13 21:21:38,950 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 566 574) no Hoare annotation was computed. [2019-10-13 21:21:38,950 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:38,950 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2019-10-13 21:21:38,950 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2019-10-13 21:21:38,950 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:38,951 INFO L439 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:38,951 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2019-10-13 21:21:38,951 INFO L443 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2019-10-13 21:21:38,951 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-10-13 21:21:38,951 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:38,952 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:38,952 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:38,952 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-13 21:21:38,952 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-13 21:21:38,952 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2019-10-13 21:21:38,952 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-13 21:21:38,952 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-13 21:21:38,952 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-13 21:21:38,953 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2019-10-13 21:21:38,953 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-10-13 21:21:38,953 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2019-10-13 21:21:38,953 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-13 21:21:38,953 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-10-13 21:21:38,953 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-13 21:21:38,953 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-10-13 21:21:38,953 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-13 21:21:38,953 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-13 21:21:38,954 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-13 21:21:38,954 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-13 21:21:38,954 INFO L443 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2019-10-13 21:21:38,954 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 337) no Hoare annotation was computed. [2019-10-13 21:21:38,954 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 316 340) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse5 .cse7 .cse6 .cse4) (or .cse1 .cse2 .cse4 .cse8 .cse3))) [2019-10-13 21:21:38,954 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:38,954 INFO L443 ceAbstractionStarter]: For program point L335-1(lines 316 340) no Hoare annotation was computed. [2019-10-13 21:21:38,954 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 316 340) no Hoare annotation was computed. [2019-10-13 21:21:38,954 INFO L439 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not .cse8)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (and .cse8 (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse6 .cse2 .cse5)))) [2019-10-13 21:21:38,955 INFO L439 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (and .cse9 .cse10)) (.cse4 (and (= processEnvironment__wrappee__methaneQuery_~tmp~2 1) .cse10)) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not .cse9)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3 .cse7) (or .cse8 .cse5 .cse6 .cse2 .cse7 .cse4) (or .cse8 .cse0 .cse1 .cse2)))) [2019-10-13 21:21:38,955 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 332) no Hoare annotation was computed. [2019-10-13 21:21:38,955 INFO L439 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse4 .cse7 .cse3))) [2019-10-13 21:21:38,955 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 411 419) no Hoare annotation was computed. [2019-10-13 21:21:38,955 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 411 419) the Hoare annotation is: true [2019-10-13 21:21:38,955 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 411 419) no Hoare annotation was computed. [2019-10-13 21:21:38,955 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-10-13 21:21:38,955 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 447) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point L439-2(lines 439 447) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 420 455) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point L427(lines 427 435) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point L427-2(lines 427 435) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 420 455) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 420 455) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 552 558) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 552 558) the Hoare annotation is: true [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 591 636) no Hoare annotation was computed. [2019-10-13 21:21:38,956 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 591 636) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 591 636) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 931) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 904 949) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 938) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 918 938) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 904 949) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 904 949) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 400 410) the Hoare annotation is: true [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 400 410) no Hoare annotation was computed. [2019-10-13 21:21:38,957 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 400 410) no Hoare annotation was computed. [2019-10-13 21:21:38,958 INFO L446 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2019-10-13 21:21:38,958 INFO L443 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2019-10-13 21:21:38,958 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 392 399) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:38,958 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 392 399) no Hoare annotation was computed. [2019-10-13 21:21:38,958 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 392 399) no Hoare annotation was computed. [2019-10-13 21:21:38,958 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 172) no Hoare annotation was computed. [2019-10-13 21:21:38,958 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 162 175) no Hoare annotation was computed. [2019-10-13 21:21:38,958 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 162 175) the Hoare annotation is: true [2019-10-13 21:21:38,958 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 162 175) no Hoare annotation was computed. [2019-10-13 21:21:38,958 INFO L439 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:38,958 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 358) no Hoare annotation was computed. [2019-10-13 21:21:38,959 INFO L439 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:38,959 INFO L443 ceAbstractionStarter]: For program point L348-1(line 348) no Hoare annotation was computed. [2019-10-13 21:21:38,959 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 363) no Hoare annotation was computed. [2019-10-13 21:21:38,959 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 342 366) no Hoare annotation was computed. [2019-10-13 21:21:38,959 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 342 366) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse5 .cse7 .cse6 .cse4) (or .cse1 .cse2 .cse4 .cse8 .cse3))) [2019-10-13 21:21:38,959 INFO L439 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse4 .cse7 .cse3))) [2019-10-13 21:21:38,959 INFO L443 ceAbstractionStarter]: For program point L361-1(lines 342 366) no Hoare annotation was computed. [2019-10-13 21:21:38,960 INFO L439 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:38,960 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 308 314) no Hoare annotation was computed. [2019-10-13 21:21:38,960 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 308 314) the Hoare annotation is: true [2019-10-13 21:21:38,960 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 476 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:38,960 INFO L439 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse0 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:38,960 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2019-10-13 21:21:38,960 INFO L443 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2019-10-13 21:21:38,960 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 476 539) no Hoare annotation was computed. [2019-10-13 21:21:38,961 INFO L439 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 (<= ~waterLevel~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse0 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:38,961 INFO L439 ceAbstractionStarter]: At program point L529(lines 486 531) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 (<= ~waterLevel~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse0 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:38,961 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-10-13 21:21:38,961 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2019-10-13 21:21:38,961 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2019-10-13 21:21:38,961 INFO L439 ceAbstractionStarter]: At program point L532(lines 485 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:38,961 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 526) no Hoare annotation was computed. [2019-10-13 21:21:38,961 INFO L439 ceAbstractionStarter]: At program point L522-2(lines 516 527) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse0 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:38,961 INFO L443 ceAbstractionStarter]: For program point L487(lines 486 531) no Hoare annotation was computed. [2019-10-13 21:21:38,961 INFO L443 ceAbstractionStarter]: For program point L516(lines 516 527) no Hoare annotation was computed. [2019-10-13 21:21:38,961 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 476 539) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 858 903) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 858 903) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 858 903) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 885) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point L872(lines 872 892) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point L872-1(lines 872 892) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 367 374) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 367 374) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 367 374) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point L138(lines 138 146) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 130 152) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point L138-2(lines 138 146) no Hoare annotation was computed. [2019-10-13 21:21:38,962 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 130 152) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 130 152) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 542 551) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 542 551) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 542 551) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 842) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 755 857) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 854) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 810) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 755 857) no Hoare annotation was computed. [2019-10-13 21:21:38,963 INFO L443 ceAbstractionStarter]: For program point L804-2(lines 804 824) no Hoare annotation was computed. [2019-10-13 21:21:38,964 INFO L443 ceAbstractionStarter]: For program point L825(lines 803 826) no Hoare annotation was computed. [2019-10-13 21:21:38,964 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 755 857) no Hoare annotation was computed. [2019-10-13 21:21:38,964 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 800) no Hoare annotation was computed. [2019-10-13 21:21:38,964 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 851) no Hoare annotation was computed. [2019-10-13 21:21:38,964 INFO L443 ceAbstractionStarter]: For program point L805(lines 804 824) no Hoare annotation was computed. [2019-10-13 21:21:38,964 INFO L443 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2019-10-13 21:21:38,964 INFO L443 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2019-10-13 21:21:38,964 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:38,965 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|))) [2019-10-13 21:21:38,965 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:38,965 INFO L443 ceAbstractionStarter]: For program point L386-1(lines 375 391) no Hoare annotation was computed. [2019-10-13 21:21:38,965 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 388) no Hoare annotation was computed. [2019-10-13 21:21:38,965 INFO L439 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:21:38,965 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 375 391) no Hoare annotation was computed. [2019-10-13 21:21:38,965 INFO L443 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2019-10-13 21:21:38,966 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 375 391) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:21:38,966 INFO L439 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or (and .cse2 (= ~methaneLevelCritical~0 activatePump_~tmp~4)) .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:21:38,966 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 153 161) the Hoare annotation is: true [2019-10-13 21:21:38,966 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 153 161) no Hoare annotation was computed. [2019-10-13 21:21:38,966 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 153 161) no Hoare annotation was computed. [2019-10-13 21:21:38,966 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-10-13 21:21:38,966 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2019-10-13 21:21:38,966 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-10-13 21:21:38,966 INFO L443 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2019-10-13 21:21:38,967 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-13 21:21:38,967 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2019-10-13 21:21:38,967 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2019-10-13 21:21:38,967 INFO L443 ceAbstractionStarter]: For program point L113-1(lines 109 120) no Hoare annotation was computed. [2019-10-13 21:21:38,967 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 109 120) the Hoare annotation is: (let ((.cse2 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4)) (or .cse2 .cse5 .cse0 .cse1 .cse4) (or .cse6 .cse0 (or .cse3 .cse4 .cse7)) (or .cse5 .cse0 .cse4 .cse7 .cse6))) [2019-10-13 21:21:38,967 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 109 120) no Hoare annotation was computed. [2019-10-13 21:21:38,967 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:38,967 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:38,967 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:38,968 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 121 129) the Hoare annotation is: true [2019-10-13 21:21:38,968 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 121 129) no Hoare annotation was computed. [2019-10-13 21:21:38,968 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 121 129) no Hoare annotation was computed. [2019-10-13 21:21:38,968 INFO L443 ceAbstractionStarter]: For program point L288(lines 287 306) no Hoare annotation was computed. [2019-10-13 21:21:38,968 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 284 307) the Hoare annotation is: (let ((.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse14 (< ~waterLevel~0 3)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse7 (or .cse0 .cse11 .cse3)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse9 (and .cse14 (= ~pumpRunning~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< |old(~waterLevel~0)| 3))) (.cse10 (and .cse14 (= ~pumpRunning~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 1)) (.cse13 (or .cse11 .cse3 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse7) (or .cse0 .cse5 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse8 .cse10 .cse3) (or .cse2 .cse11 .cse3 .cse4 .cse12) (or .cse1 .cse2 .cse3 .cse4 .cse12) (or .cse5 .cse1 .cse6 .cse3 .cse12) (or .cse0 .cse2 .cse11 .cse3 .cse4) (or .cse9 .cse8 .cse13) (or .cse1 .cse8 .cse3 .cse12 .cse10) (or .cse5 .cse6 .cse13)))) [2019-10-13 21:21:38,968 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 284 307) no Hoare annotation was computed. [2019-10-13 21:21:38,968 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse10 (<= ~waterLevel~0 1))) (let ((.cse6 (and .cse10 (= ~pumpRunning~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse11 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse7 .cse3 .cse8)) (or .cse5 .cse6 (or .cse0 .cse7 .cse3)) (or .cse0 .cse9 .cse1 .cse3 .cse10) (or .cse0 .cse1 .cse5 .cse11 .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse8) (or .cse9 .cse1 .cse10 .cse3 .cse8) (or .cse1 .cse5 .cse3 .cse8 .cse11)))) [2019-10-13 21:21:38,969 INFO L439 ceAbstractionStarter]: At program point L295(lines 295 301) the Hoare annotation is: (let ((.cse13 (< ~waterLevel~0 3)) (.cse15 (= ~pumpRunning~0 1)) (.cse10 (<= ~waterLevel~0 1)) (.cse14 (= ~pumpRunning~0 0))) (let ((.cse11 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and .cse10 .cse14)) (.cse1 (and .cse10 .cse15)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (and .cse13 .cse15))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse7 .cse5 .cse0 .cse3 .cse4) (or .cse8 .cse9 .cse10 .cse6 .cse3) (or .cse6 .cse11 .cse3 .cse12 .cse4) (or .cse11 .cse8 .cse6 .cse3 .cse12) (or .cse9 .cse6 .cse10 .cse3 .cse4) (or .cse5 .cse0 .cse1 (or .cse8 .cse2 .cse3)) (or .cse8 .cse6 .cse0 (and .cse13 .cse14) .cse3 .cse7)))) [2019-10-13 21:21:38,969 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 284 307) no Hoare annotation was computed. [2019-10-13 21:21:38,969 INFO L439 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (or .cse0 .cse8 .cse3)) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse11 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (<= ~waterLevel~0 1)) (.cse12 (or .cse8 .cse3 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse8 .cse3 .cse9 .cse7 .cse10) (or .cse11 .cse2 .cse6) (or .cse2 .cse12 .cse11) (or .cse0 .cse10 .cse8 .cse3 .cse9) (or .cse4 .cse5 .cse12)))) [2019-10-13 21:21:38,969 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-10-13 21:21:38,969 INFO L446 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2019-10-13 21:21:38,969 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2019-10-13 21:21:38,970 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-13 21:21:38,970 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2019-10-13 21:21:38,970 INFO L446 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2019-10-13 21:21:38,970 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-10-13 21:21:38,970 INFO L443 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2019-10-13 21:21:38,970 INFO L446 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2019-10-13 21:21:38,970 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-13 21:21:38,970 INFO L443 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2019-10-13 21:21:38,970 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 .cse2 .cse3 .cse6) (or .cse5 .cse4 .cse3 .cse6))) [2019-10-13 21:21:38,971 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2019-10-13 21:21:38,971 INFO L443 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2019-10-13 21:21:38,971 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2019-10-13 21:21:38,971 INFO L443 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2019-10-13 21:21:38,971 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2019-10-13 21:21:38,971 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2))) [2019-10-13 21:21:38,971 INFO L443 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2019-10-13 21:21:38,972 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2019-10-13 21:21:38,972 INFO L446 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2019-10-13 21:21:38,972 INFO L443 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2019-10-13 21:21:38,972 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (< ~waterLevel~0 3))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse0 .cse2) (or (not (<= ~waterLevel~0 1)) .cse5 .cse2 .cse3))) [2019-10-13 21:21:38,972 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 85 96) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (<= ~waterLevel~0 1)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< ~waterLevel~0 3)) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse6 .cse3 .cse7 .cse4) (or .cse5 .cse8 .cse3 .cse0 .cse9) (or .cse3 .cse0 .cse9 .cse4 .cse8) (or .cse0 .cse5 .cse7 .cse6 .cse3))) [2019-10-13 21:21:38,972 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 85 96) no Hoare annotation was computed. [2019-10-13 21:21:38,973 INFO L443 ceAbstractionStarter]: For program point L89-1(lines 85 96) no Hoare annotation was computed. [2019-10-13 21:21:38,973 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2019-10-13 21:21:38,973 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2019-10-13 21:21:38,973 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:38,973 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:21:38,973 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:38,973 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:38,973 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 97 108) no Hoare annotation was computed. [2019-10-13 21:21:38,974 INFO L443 ceAbstractionStarter]: For program point L101-1(lines 97 108) no Hoare annotation was computed. [2019-10-13 21:21:38,974 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 97 108) the Hoare annotation is: (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse0 (< ~waterLevel~0 3)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse10 (<= ~waterLevel~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse7 (= 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse0 .cse3) (or .cse6 .cse7 .cse3 .cse8 .cse4) (or .cse5 .cse9 .cse6 .cse3 .cse10) (or .cse7 .cse2 .cse3 .cse8 .cse4) (or .cse5 .cse7 .cse2 .cse3 .cse8) (or .cse9 .cse6 .cse10 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse5 .cse9 .cse10 .cse2 .cse3) (or .cse9 .cse2 .cse10 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8))) [2019-10-13 21:21:38,974 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 576 583) no Hoare annotation was computed. [2019-10-13 21:21:38,974 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 576 583) the Hoare annotation is: true [2019-10-13 21:21:38,974 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 576 583) no Hoare annotation was computed. [2019-10-13 21:21:38,974 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2019-10-13 21:21:38,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:38 BoogieIcfgContainer [2019-10-13 21:21:38,990 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:38,992 INFO L168 Benchmark]: Toolchain (without parser) took 16255.44 ms. Allocated memory was 142.6 MB in the beginning and 439.9 MB in the end (delta: 297.3 MB). Free memory was 98.2 MB in the beginning and 149.2 MB in the end (delta: -51.0 MB). Peak memory consumption was 315.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:38,993 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:38,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.81 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 98.0 MB in the beginning and 168.9 MB in the end (delta: -71.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:38,994 INFO L168 Benchmark]: Boogie Preprocessor took 87.33 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:38,995 INFO L168 Benchmark]: RCFGBuilder took 1153.99 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 164.7 MB in the beginning and 197.9 MB in the end (delta: -33.1 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:38,996 INFO L168 Benchmark]: TraceAbstraction took 14351.21 ms. Allocated memory was 229.6 MB in the beginning and 439.9 MB in the end (delta: 210.2 MB). Free memory was 197.9 MB in the beginning and 149.2 MB in the end (delta: 48.6 MB). Peak memory consumption was 328.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:39,000 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.81 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 98.0 MB in the beginning and 168.9 MB in the end (delta: -71.0 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.33 ms. Allocated memory is still 200.8 MB. Free memory was 168.9 MB in the beginning and 164.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1153.99 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 164.7 MB in the beginning and 197.9 MB in the end (delta: -33.1 MB). Peak memory consumption was 87.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14351.21 ms. Allocated memory was 229.6 MB in the beginning and 439.9 MB in the end (delta: 210.2 MB). Free memory was 197.9 MB in the beginning and 149.2 MB in the end (delta: 48.6 MB). Peak memory consumption was 328.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 485]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: (((((((((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 0) && 1 == methaneLevelCritical) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 235 locations, 1 error locations. Result: SAFE, OverallTime: 14.2s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, HoareTripleCheckerStatistics: 2046 SDtfs, 1123 SDslu, 7243 SDs, 0 SdLazy, 1383 SolverSat, 237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 615 GetRequests, 512 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1020occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 103 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2414 PreInvPairs, 2548 NumberOfFragments, 2974 HoareAnnotationTreeSize, 2414 FomulaSimplifications, 1890 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 13228 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1282 NumberOfCodeBlocks, 1282 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1513 ConstructedInterpolants, 0 QuantifiedInterpolants, 279935 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1631 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 137/147 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...