java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:10:42,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:10:42,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:10:42,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:10:42,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:10:42,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:10:42,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:10:42,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:10:42,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:10:42,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:10:42,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:10:42,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:10:42,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:10:42,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:10:42,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:10:42,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:10:42,591 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:10:42,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:10:42,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:10:42,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:10:42,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:10:42,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:10:42,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:10:42,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:10:42,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:10:42,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:10:42,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:10:42,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:10:42,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:10:42,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:10:42,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:10:42,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:10:42,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:10:42,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:10:42,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:10:42,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:10:42,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:10:42,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:10:42,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:10:42,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:10:42,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:10:42,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 06:10:42,626 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:10:42,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:10:42,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:10:42,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:10:42,629 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:10:42,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:10:42,629 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:10:42,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:10:42,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:10:42,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:10:42,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:10:42,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:10:42,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:10:42,631 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:10:42,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:10:42,631 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:10:42,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:10:42,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:10:42,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:10:42,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:10:42,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:10:42,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:10:42,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:10:42,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:10:42,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:10:42,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:10:42,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:10:42,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:10:42,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:10:42,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:10:42,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:10:42,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:10:42,690 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:10:42,690 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:10:42,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-09-08 06:10:42,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5046399fa/41386c4e34964b999382482060a3eb8c/FLAGec89100d7 [2019-09-08 06:10:43,311 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:10:43,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-09-08 06:10:43,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5046399fa/41386c4e34964b999382482060a3eb8c/FLAGec89100d7 [2019-09-08 06:10:43,600 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5046399fa/41386c4e34964b999382482060a3eb8c [2019-09-08 06:10:43,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:10:43,613 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:10:43,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:43,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:10:43,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:10:43,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:43" (1/1) ... [2019-09-08 06:10:43,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b77fff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:43, skipping insertion in model container [2019-09-08 06:10:43,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:43" (1/1) ... [2019-09-08 06:10:43,628 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:10:43,682 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:10:44,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:44,172 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:10:44,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:44,333 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:10:44,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44 WrapperNode [2019-09-08 06:10:44,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:44,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:10:44,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:10:44,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:10:44,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44" (1/1) ... [2019-09-08 06:10:44,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44" (1/1) ... [2019-09-08 06:10:44,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44" (1/1) ... [2019-09-08 06:10:44,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44" (1/1) ... [2019-09-08 06:10:44,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44" (1/1) ... [2019-09-08 06:10:44,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44" (1/1) ... [2019-09-08 06:10:44,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44" (1/1) ... [2019-09-08 06:10:44,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:10:44,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:10:44,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:10:44,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:10:44,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:10:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:10:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:10:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:10:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:10:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:10:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:10:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:10:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:10:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:10:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:10:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:10:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:10:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:10:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:10:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:10:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:10:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:10:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:10:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:10:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:10:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:10:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:10:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:10:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:10:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:10:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:10:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:10:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:10:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:10:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:10:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:10:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:10:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:10:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:10:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:10:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:10:44,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:10:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:10:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:10:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:10:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:10:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:10:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:10:44,513 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:10:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:10:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:10:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:10:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:10:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:10:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:10:44,514 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:10:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:10:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:10:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:10:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:10:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:10:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:10:44,515 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:10:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:10:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:10:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:10:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:10:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:44,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:10:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:10:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:10:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:10:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:10:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:10:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:10:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:10:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:10:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:10:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:10:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:10:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:10:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:10:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:10:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:10:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:10:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:10:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:10:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:10:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:10:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:10:45,605 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:10:45,606 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:10:45,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:45 BoogieIcfgContainer [2019-09-08 06:10:45,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:10:45,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:10:45,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:10:45,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:10:45,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:10:43" (1/3) ... [2019-09-08 06:10:45,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f1f5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:45, skipping insertion in model container [2019-09-08 06:10:45,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:44" (2/3) ... [2019-09-08 06:10:45,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f1f5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:45, skipping insertion in model container [2019-09-08 06:10:45,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:45" (3/3) ... [2019-09-08 06:10:45,616 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2019-09-08 06:10:45,626 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:10:45,633 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:10:45,651 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:10:45,705 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:10:45,706 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:10:45,706 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:10:45,706 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:10:45,706 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:10:45,706 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:10:45,706 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:10:45,707 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:10:45,707 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:10:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-09-08 06:10:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-08 06:10:45,745 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:45,746 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:45,748 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:45,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:45,753 INFO L82 PathProgramCache]: Analyzing trace with hash 916136138, now seen corresponding path program 1 times [2019-09-08 06:10:45,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:45,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:45,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:45,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:45,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:46,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:46,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:10:46,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:10:46,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:10:46,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:10:46,159 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-09-08 06:10:46,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:46,244 INFO L93 Difference]: Finished difference Result 256 states and 317 transitions. [2019-09-08 06:10:46,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:10:46,246 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-08 06:10:46,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:46,271 INFO L225 Difference]: With dead ends: 256 [2019-09-08 06:10:46,271 INFO L226 Difference]: Without dead ends: 128 [2019-09-08 06:10:46,281 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:10:46,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-09-08 06:10:46,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-09-08 06:10:46,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-08 06:10:46,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2019-09-08 06:10:46,349 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 46 [2019-09-08 06:10:46,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:46,350 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2019-09-08 06:10:46,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:10:46,350 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2019-09-08 06:10:46,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 06:10:46,353 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:46,354 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:46,354 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:46,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:46,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1104947330, now seen corresponding path program 1 times [2019-09-08 06:10:46,355 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:46,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:46,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:46,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:46,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:46,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:46,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:10:46,476 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:10:46,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:10:46,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:10:46,478 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 3 states. [2019-09-08 06:10:46,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:46,517 INFO L93 Difference]: Finished difference Result 205 states and 239 transitions. [2019-09-08 06:10:46,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:10:46,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-08 06:10:46,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:46,521 INFO L225 Difference]: With dead ends: 205 [2019-09-08 06:10:46,522 INFO L226 Difference]: Without dead ends: 119 [2019-09-08 06:10:46,525 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:10:46,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-08 06:10:46,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-08 06:10:46,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-08 06:10:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2019-09-08 06:10:46,540 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 47 [2019-09-08 06:10:46,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:46,541 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2019-09-08 06:10:46,544 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:10:46,544 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2019-09-08 06:10:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 06:10:46,547 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:46,547 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:46,548 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:46,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:46,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1852359913, now seen corresponding path program 1 times [2019-09-08 06:10:46,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:46,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:46,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:46,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:46,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:46,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:46,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:46,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:10:46,739 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:10:46,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:10:46,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:10:46,740 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 7 states. [2019-09-08 06:10:47,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:47,189 INFO L93 Difference]: Finished difference Result 214 states and 253 transitions. [2019-09-08 06:10:47,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:10:47,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-08 06:10:47,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:47,195 INFO L225 Difference]: With dead ends: 214 [2019-09-08 06:10:47,195 INFO L226 Difference]: Without dead ends: 119 [2019-09-08 06:10:47,201 INFO L628 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 [2019-09-08 06:10:47,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-08 06:10:47,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-08 06:10:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-08 06:10:47,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2019-09-08 06:10:47,226 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 51 [2019-09-08 06:10:47,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:47,227 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2019-09-08 06:10:47,227 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:10:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2019-09-08 06:10:47,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-08 06:10:47,240 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:47,240 INFO L399 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] [2019-09-08 06:10:47,241 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:47,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:47,241 INFO L82 PathProgramCache]: Analyzing trace with hash 458129541, now seen corresponding path program 1 times [2019-09-08 06:10:47,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:47,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:47,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:47,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:47,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:47,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:47,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 06:10:47,377 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 06:10:47,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 06:10:47,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:10:47,378 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 5 states. [2019-09-08 06:10:47,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:47,926 INFO L93 Difference]: Finished difference Result 308 states and 371 transitions. [2019-09-08 06:10:47,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:10:47,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-08 06:10:47,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:47,935 INFO L225 Difference]: With dead ends: 308 [2019-09-08 06:10:47,935 INFO L226 Difference]: Without dead ends: 213 [2019-09-08 06:10:47,936 INFO L628 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 [2019-09-08 06:10:47,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-09-08 06:10:47,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 195. [2019-09-08 06:10:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-09-08 06:10:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 222 transitions. [2019-09-08 06:10:47,973 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 222 transitions. Word has length 64 [2019-09-08 06:10:47,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:47,973 INFO L475 AbstractCegarLoop]: Abstraction has 195 states and 222 transitions. [2019-09-08 06:10:47,973 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 06:10:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 222 transitions. [2019-09-08 06:10:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-08 06:10:47,975 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:47,975 INFO L399 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] [2019-09-08 06:10:47,975 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:47,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:47,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1170867649, now seen corresponding path program 1 times [2019-09-08 06:10:47,976 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:47,976 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:47,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:47,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:47,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:48,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:48,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:48,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 06:10:48,129 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 06:10:48,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 06:10:48,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:10:48,131 INFO L87 Difference]: Start difference. First operand 195 states and 222 transitions. Second operand 10 states. [2019-09-08 06:10:48,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:48,791 INFO L93 Difference]: Finished difference Result 618 states and 772 transitions. [2019-09-08 06:10:48,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 06:10:48,791 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2019-09-08 06:10:48,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:48,800 INFO L225 Difference]: With dead ends: 618 [2019-09-08 06:10:48,800 INFO L226 Difference]: Without dead ends: 447 [2019-09-08 06:10:48,803 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-08 06:10:48,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-09-08 06:10:48,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 437. [2019-09-08 06:10:48,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2019-09-08 06:10:48,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 517 transitions. [2019-09-08 06:10:48,854 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 517 transitions. Word has length 78 [2019-09-08 06:10:48,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:48,854 INFO L475 AbstractCegarLoop]: Abstraction has 437 states and 517 transitions. [2019-09-08 06:10:48,854 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 06:10:48,855 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 517 transitions. [2019-09-08 06:10:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 06:10:48,858 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:48,858 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:48,858 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:48,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:48,859 INFO L82 PathProgramCache]: Analyzing trace with hash -772272072, now seen corresponding path program 1 times [2019-09-08 06:10:48,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:48,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:48,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:48,860 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:48,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,016 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 06:10:49,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:49,017 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:10:49,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 06:10:49,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:49,291 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-08 06:10:49,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:49,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-09-08 06:10:49,298 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:10:49,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:10:49,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:10:49,299 INFO L87 Difference]: Start difference. First operand 437 states and 517 transitions. Second operand 6 states. [2019-09-08 06:10:49,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:49,360 INFO L93 Difference]: Finished difference Result 865 states and 1045 transitions. [2019-09-08 06:10:49,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:10:49,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2019-09-08 06:10:49,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:49,368 INFO L225 Difference]: With dead ends: 865 [2019-09-08 06:10:49,368 INFO L226 Difference]: Without dead ends: 452 [2019-09-08 06:10:49,371 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:10:49,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-09-08 06:10:49,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2019-09-08 06:10:49,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-09-08 06:10:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 533 transitions. [2019-09-08 06:10:49,445 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 533 transitions. Word has length 128 [2019-09-08 06:10:49,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:49,446 INFO L475 AbstractCegarLoop]: Abstraction has 452 states and 533 transitions. [2019-09-08 06:10:49,446 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:10:49,447 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 533 transitions. [2019-09-08 06:10:49,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-08 06:10:49,454 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:49,454 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:49,455 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:49,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:49,455 INFO L82 PathProgramCache]: Analyzing trace with hash -532032326, now seen corresponding path program 1 times [2019-09-08 06:10:49,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:49,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:49,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:49,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-08 06:10:49,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:49,599 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:49,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 06:10:49,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-08 06:10:49,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:49,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-08 06:10:49,865 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 06:10:49,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 06:10:49,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:10:49,866 INFO L87 Difference]: Start difference. First operand 452 states and 533 transitions. Second operand 11 states. [2019-09-08 06:10:49,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:49,922 INFO L93 Difference]: Finished difference Result 812 states and 983 transitions. [2019-09-08 06:10:49,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:10:49,922 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 128 [2019-09-08 06:10:49,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:49,927 INFO L225 Difference]: With dead ends: 812 [2019-09-08 06:10:49,927 INFO L226 Difference]: Without dead ends: 384 [2019-09-08 06:10:49,929 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:10:49,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2019-09-08 06:10:49,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2019-09-08 06:10:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-09-08 06:10:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2019-09-08 06:10:49,960 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 128 [2019-09-08 06:10:49,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:49,961 INFO L475 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2019-09-08 06:10:49,961 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 06:10:49,961 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2019-09-08 06:10:49,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-08 06:10:49,968 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:49,968 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:49,969 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:49,971 INFO L82 PathProgramCache]: Analyzing trace with hash 759278389, now seen corresponding path program 1 times [2019-09-08 06:10:49,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:49,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:49,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:49,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-08 06:10:50,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:50,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:10:50,071 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:10:50,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:10:50,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:10:50,071 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 6 states. [2019-09-08 06:10:50,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:50,114 INFO L93 Difference]: Finished difference Result 697 states and 822 transitions. [2019-09-08 06:10:50,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:10:50,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2019-09-08 06:10:50,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:50,119 INFO L225 Difference]: With dead ends: 697 [2019-09-08 06:10:50,119 INFO L226 Difference]: Without dead ends: 394 [2019-09-08 06:10:50,121 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:10:50,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-09-08 06:10:50,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2019-09-08 06:10:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-09-08 06:10:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 456 transitions. [2019-09-08 06:10:50,151 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 456 transitions. Word has length 132 [2019-09-08 06:10:50,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:50,151 INFO L475 AbstractCegarLoop]: Abstraction has 394 states and 456 transitions. [2019-09-08 06:10:50,152 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:10:50,153 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 456 transitions. [2019-09-08 06:10:50,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-08 06:10:50,157 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:50,157 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 06:10:50,157 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:50,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:50,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1348720775, now seen corresponding path program 1 times [2019-09-08 06:10:50,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:50,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:50,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:50,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:50,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-08 06:10:50,269 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:50,269 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:10:50,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:50,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 841 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 06:10:50,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:50,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:50,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-08 06:10:50,539 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:10:50,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:10:50,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:10:50,540 INFO L87 Difference]: Start difference. First operand 394 states and 456 transitions. Second operand 6 states. [2019-09-08 06:10:51,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:51,305 INFO L93 Difference]: Finished difference Result 826 states and 996 transitions. [2019-09-08 06:10:51,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:10:51,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2019-09-08 06:10:51,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:51,309 INFO L225 Difference]: With dead ends: 826 [2019-09-08 06:10:51,309 INFO L226 Difference]: Without dead ends: 513 [2019-09-08 06:10:51,311 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:10:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2019-09-08 06:10:51,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 469. [2019-09-08 06:10:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2019-09-08 06:10:51,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 548 transitions. [2019-09-08 06:10:51,342 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 548 transitions. Word has length 136 [2019-09-08 06:10:51,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:51,343 INFO L475 AbstractCegarLoop]: Abstraction has 469 states and 548 transitions. [2019-09-08 06:10:51,343 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:10:51,343 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 548 transitions. [2019-09-08 06:10:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-08 06:10:51,345 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:51,346 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:51,346 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:51,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:51,346 INFO L82 PathProgramCache]: Analyzing trace with hash 249805299, now seen corresponding path program 1 times [2019-09-08 06:10:51,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:51,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:51,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:51,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:51,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:51,425 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-08 06:10:51,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:51,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:10:51,426 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:10:51,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:10:51,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:10:51,427 INFO L87 Difference]: Start difference. First operand 469 states and 548 transitions. Second operand 6 states. [2019-09-08 06:10:51,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:51,601 INFO L93 Difference]: Finished difference Result 480 states and 559 transitions. [2019-09-08 06:10:51,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:10:51,602 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2019-09-08 06:10:51,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:51,604 INFO L225 Difference]: With dead ends: 480 [2019-09-08 06:10:51,605 INFO L226 Difference]: Without dead ends: 477 [2019-09-08 06:10:51,605 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:10:51,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-09-08 06:10:51,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 469. [2019-09-08 06:10:51,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2019-09-08 06:10:51,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 546 transitions. [2019-09-08 06:10:51,632 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 546 transitions. Word has length 132 [2019-09-08 06:10:51,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:51,634 INFO L475 AbstractCegarLoop]: Abstraction has 469 states and 546 transitions. [2019-09-08 06:10:51,634 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:10:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 546 transitions. [2019-09-08 06:10:51,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-08 06:10:51,636 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:51,636 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:51,637 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:51,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:51,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1295460868, now seen corresponding path program 1 times [2019-09-08 06:10:51,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:51,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:51,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:51,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:51,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:51,760 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-08 06:10:51,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:51,761 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:51,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:51,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 06:10:51,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:52,010 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:10:52,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-08 06:10:52,010 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 06:10:52,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 06:10:52,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:10:52,011 INFO L87 Difference]: Start difference. First operand 469 states and 546 transitions. Second operand 11 states. [2019-09-08 06:10:53,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:53,391 INFO L93 Difference]: Finished difference Result 1089 states and 1408 transitions. [2019-09-08 06:10:53,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 06:10:53,392 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2019-09-08 06:10:53,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:53,397 INFO L225 Difference]: With dead ends: 1089 [2019-09-08 06:10:53,398 INFO L226 Difference]: Without dead ends: 703 [2019-09-08 06:10:53,400 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-08 06:10:53,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2019-09-08 06:10:53,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 558. [2019-09-08 06:10:53,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2019-09-08 06:10:53,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 650 transitions. [2019-09-08 06:10:53,440 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 650 transitions. Word has length 136 [2019-09-08 06:10:53,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:53,443 INFO L475 AbstractCegarLoop]: Abstraction has 558 states and 650 transitions. [2019-09-08 06:10:53,443 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 06:10:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 650 transitions. [2019-09-08 06:10:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-08 06:10:53,446 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:53,446 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:53,446 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:53,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:53,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1491934830, now seen corresponding path program 2 times [2019-09-08 06:10:53,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:53,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:53,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:53,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:53,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-08 06:10:53,703 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:53,703 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:53,714 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 06:10:53,887 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 06:10:53,888 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 06:10:53,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-08 06:10:53,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:53,987 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 06:10:54,082 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-08 06:10:54,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:54,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-08 06:10:54,090 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 06:10:54,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 06:10:54,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-08 06:10:54,091 INFO L87 Difference]: Start difference. First operand 558 states and 650 transitions. Second operand 16 states. [2019-09-08 06:10:56,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:56,626 INFO L93 Difference]: Finished difference Result 1438 states and 1789 transitions. [2019-09-08 06:10:56,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 06:10:56,627 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 189 [2019-09-08 06:10:56,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:56,634 INFO L225 Difference]: With dead ends: 1438 [2019-09-08 06:10:56,634 INFO L226 Difference]: Without dead ends: 961 [2019-09-08 06:10:56,636 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-08 06:10:56,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2019-09-08 06:10:56,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 883. [2019-09-08 06:10:56,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2019-09-08 06:10:56,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1031 transitions. [2019-09-08 06:10:56,710 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1031 transitions. Word has length 189 [2019-09-08 06:10:56,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:56,711 INFO L475 AbstractCegarLoop]: Abstraction has 883 states and 1031 transitions. [2019-09-08 06:10:56,711 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 06:10:56,711 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1031 transitions. [2019-09-08 06:10:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-08 06:10:56,714 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:56,715 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:56,715 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:56,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:56,716 INFO L82 PathProgramCache]: Analyzing trace with hash 384547988, now seen corresponding path program 1 times [2019-09-08 06:10:56,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:56,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:56,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:56,718 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 06:10:56,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:56,828 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-09-08 06:10:56,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:56,829 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:56,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:56,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 06:10:56,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-08 06:10:57,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:57,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-08 06:10:57,069 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 06:10:57,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 06:10:57,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:10:57,070 INFO L87 Difference]: Start difference. First operand 883 states and 1031 transitions. Second operand 13 states. [2019-09-08 06:10:57,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:57,133 INFO L93 Difference]: Finished difference Result 1111 states and 1294 transitions. [2019-09-08 06:10:57,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 06:10:57,134 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 189 [2019-09-08 06:10:57,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:57,138 INFO L225 Difference]: With dead ends: 1111 [2019-09-08 06:10:57,138 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 06:10:57,140 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-08 06:10:57,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 06:10:57,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 06:10:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 06:10:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 06:10:57,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2019-09-08 06:10:57,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:57,142 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 06:10:57,142 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 06:10:57,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 06:10:57,142 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 06:10:57,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 06:10:57,713 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2019-09-08 06:10:58,360 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2019-09-08 06:10:58,537 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2019-09-08 06:10:58,836 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2019-09-08 06:10:59,476 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 21 [2019-09-08 06:10:59,800 INFO L443 ceAbstractionStarter]: For program point L672(lines 672 676) no Hoare annotation was computed. [2019-09-08 06:10:59,800 INFO L443 ceAbstractionStarter]: For program point L672-1(lines 672 676) no Hoare annotation was computed. [2019-09-08 06:10:59,801 INFO L443 ceAbstractionStarter]: For program point L667(line 667) no Hoare annotation was computed. [2019-09-08 06:10:59,801 INFO L443 ceAbstractionStarter]: For program point L666-2(lines 666 687) no Hoare annotation was computed. [2019-09-08 06:10:59,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 641 696) no Hoare annotation was computed. [2019-09-08 06:10:59,801 INFO L443 ceAbstractionStarter]: For program point L688(lines 665 689) no Hoare annotation was computed. [2019-09-08 06:10:59,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 641 696) no Hoare annotation was computed. [2019-09-08 06:10:59,801 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 641 696) no Hoare annotation was computed. [2019-09-08 06:10:59,801 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-09-08 06:10:59,801 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 729 733) no Hoare annotation was computed. [2019-09-08 06:10:59,802 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 697 756) no Hoare annotation was computed. [2019-09-08 06:10:59,802 INFO L443 ceAbstractionStarter]: For program point L724(line 724) no Hoare annotation was computed. [2019-09-08 06:10:59,802 INFO L443 ceAbstractionStarter]: For program point L723-2(lines 723 748) no Hoare annotation was computed. [2019-09-08 06:10:59,802 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 697 756) no Hoare annotation was computed. [2019-09-08 06:10:59,802 INFO L443 ceAbstractionStarter]: For program point L749(lines 722 750) no Hoare annotation was computed. [2019-09-08 06:10:59,802 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 697 756) no Hoare annotation was computed. [2019-09-08 06:10:59,802 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-09-08 06:10:59,802 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-09-08 06:10:59,803 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 546 552) the Hoare annotation is: true [2019-09-08 06:10:59,803 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 546 552) no Hoare annotation was computed. [2019-09-08 06:10:59,803 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 553 561) no Hoare annotation was computed. [2019-09-08 06:10:59,803 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 553 561) the Hoare annotation is: true [2019-09-08 06:10:59,803 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 553 561) no Hoare annotation was computed. [2019-09-08 06:10:59,803 INFO L439 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-08 06:10:59,803 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-09-08 06:10:59,803 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 563 587) the Hoare annotation is: true [2019-09-08 06:10:59,804 INFO L439 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-09-08 06:10:59,804 INFO L443 ceAbstractionStarter]: For program point L573-1(line 573) no Hoare annotation was computed. [2019-09-08 06:10:59,804 INFO L443 ceAbstractionStarter]: For program point L571(lines 571 584) no Hoare annotation was computed. [2019-09-08 06:10:59,804 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 563 587) no Hoare annotation was computed. [2019-09-08 06:10:59,804 INFO L446 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: true [2019-09-08 06:10:59,804 INFO L443 ceAbstractionStarter]: For program point L569-1(line 569) no Hoare annotation was computed. [2019-09-08 06:10:59,804 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 563 587) no Hoare annotation was computed. [2019-09-08 06:10:59,804 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:10:59,805 INFO L439 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:10:59,805 INFO L439 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:10:59,805 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2019-09-08 06:10:59,805 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-09-08 06:10:59,805 INFO L443 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2019-09-08 06:10:59,805 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-09-08 06:10:59,805 INFO L439 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:10:59,806 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:10:59,806 INFO L439 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:10:59,806 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2019-09-08 06:10:59,806 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2019-09-08 06:10:59,806 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2019-09-08 06:10:59,806 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2019-09-08 06:10:59,806 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-09-08 06:10:59,806 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-09-08 06:10:59,807 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-09-08 06:10:59,807 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-09-08 06:10:59,807 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-09-08 06:10:59,807 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-09-08 06:10:59,807 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-09-08 06:10:59,807 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-09-08 06:10:59,807 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-09-08 06:10:59,807 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-08 06:10:59,807 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-09-08 06:10:59,808 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-09-08 06:10:59,808 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-09-08 06:10:59,808 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-09-08 06:10:59,808 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 379 387) no Hoare annotation was computed. [2019-09-08 06:10:59,808 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 379 387) the Hoare annotation is: true [2019-09-08 06:10:59,808 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 379 387) no Hoare annotation was computed. [2019-09-08 06:10:59,808 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-09-08 06:10:59,808 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2019-09-08 06:10:59,808 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2019-09-08 06:10:59,809 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-09-08 06:10:59,809 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-09-08 06:10:59,809 INFO L443 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-09-08 06:10:59,809 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2019-09-08 06:10:59,809 INFO L443 ceAbstractionStarter]: For program point L418-1(line 418) no Hoare annotation was computed. [2019-09-08 06:10:59,809 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 415) no Hoare annotation was computed. [2019-09-08 06:10:59,810 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2019-09-08 06:10:59,810 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 388 423) no Hoare annotation was computed. [2019-09-08 06:10:59,810 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2019-09-08 06:10:59,810 INFO L443 ceAbstractionStarter]: For program point L395-2(lines 395 403) no Hoare annotation was computed. [2019-09-08 06:10:59,810 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 388 423) no Hoare annotation was computed. [2019-09-08 06:10:59,810 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 388 423) no Hoare annotation was computed. [2019-09-08 06:10:59,810 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-09-08 06:10:59,810 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 539 545) no Hoare annotation was computed. [2019-09-08 06:10:59,811 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 539 545) the Hoare annotation is: true [2019-09-08 06:10:59,811 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 595 640) no Hoare annotation was computed. [2019-09-08 06:10:59,811 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 595 640) no Hoare annotation was computed. [2019-09-08 06:10:59,811 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 595 640) no Hoare annotation was computed. [2019-09-08 06:10:59,811 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 935) no Hoare annotation was computed. [2019-09-08 06:10:59,811 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 942) no Hoare annotation was computed. [2019-09-08 06:10:59,811 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 908 953) no Hoare annotation was computed. [2019-09-08 06:10:59,811 INFO L443 ceAbstractionStarter]: For program point L922-1(lines 922 942) no Hoare annotation was computed. [2019-09-08 06:10:59,811 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 908 953) no Hoare annotation was computed. [2019-09-08 06:10:59,812 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 908 953) no Hoare annotation was computed. [2019-09-08 06:10:59,812 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:10:59,812 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2019-09-08 06:10:59,812 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2019-09-08 06:10:59,812 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 368 378) no Hoare annotation was computed. [2019-09-08 06:10:59,812 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 368 378) no Hoare annotation was computed. [2019-09-08 06:10:59,812 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 368 378) no Hoare annotation was computed. [2019-09-08 06:10:59,812 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-09-08 06:10:59,812 INFO L443 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2019-09-08 06:10:59,812 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 360 367) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-09-08 06:10:59,812 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 360 367) no Hoare annotation was computed. [2019-09-08 06:10:59,813 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 360 367) no Hoare annotation was computed. [2019-09-08 06:10:59,813 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-09-08 06:10:59,813 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2019-09-08 06:10:59,813 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2019-09-08 06:10:59,813 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2019-09-08 06:10:59,813 INFO L439 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (= 0 |old(~pumpRunning~0)|)) (or .cse1 (or .cse0 (not (= ~waterLevel~0 1)))) (or (or (not (<= 2 ~waterLevel~0)) .cse0) .cse1))) [2019-09-08 06:10:59,813 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2019-09-08 06:10:59,813 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 327 351) no Hoare annotation was computed. [2019-09-08 06:10:59,814 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-08 06:10:59,814 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 327 351) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-09-08 06:10:59,814 INFO L439 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2)) (not (<= 1 ~waterLevel~0)) .cse1))) [2019-09-08 06:10:59,814 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 343) no Hoare annotation was computed. [2019-09-08 06:10:59,814 INFO L439 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) .cse1))) [2019-09-08 06:10:59,814 INFO L443 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2019-09-08 06:10:59,814 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 348) no Hoare annotation was computed. [2019-09-08 06:10:59,814 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 293 299) no Hoare annotation was computed. [2019-09-08 06:10:59,815 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 293 299) the Hoare annotation is: true [2019-09-08 06:10:59,815 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 463 526) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:10:59,815 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-09-08 06:10:59,815 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 463 526) no Hoare annotation was computed. [2019-09-08 06:10:59,815 INFO L439 ceAbstractionStarter]: At program point L519(lines 472 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:10:59,815 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 513) no Hoare annotation was computed. [2019-09-08 06:10:59,815 INFO L439 ceAbstractionStarter]: At program point L509-2(lines 503 514) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2019-09-08 06:10:59,816 INFO L443 ceAbstractionStarter]: For program point L474(lines 473 518) no Hoare annotation was computed. [2019-09-08 06:10:59,816 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 514) no Hoare annotation was computed. [2019-09-08 06:10:59,816 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2019-09-08 06:10:59,816 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 499) no Hoare annotation was computed. [2019-09-08 06:10:59,816 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 493 499) no Hoare annotation was computed. [2019-09-08 06:10:59,816 INFO L439 ceAbstractionStarter]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2019-09-08 06:10:59,816 INFO L439 ceAbstractionStarter]: At program point L516(lines 473 518) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-08 06:10:59,816 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 489) no Hoare annotation was computed. [2019-09-08 06:10:59,817 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 463 526) no Hoare annotation was computed. [2019-09-08 06:10:59,817 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 483 489) no Hoare annotation was computed. [2019-09-08 06:10:59,817 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 862 907) no Hoare annotation was computed. [2019-09-08 06:10:59,817 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 862 907) no Hoare annotation was computed. [2019-09-08 06:10:59,817 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 889) no Hoare annotation was computed. [2019-09-08 06:10:59,817 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 862 907) no Hoare annotation was computed. [2019-09-08 06:10:59,817 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 896) no Hoare annotation was computed. [2019-09-08 06:10:59,817 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 876 896) no Hoare annotation was computed. [2019-09-08 06:10:59,817 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point L112(lines 112 120) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 529 538) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 529 538) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 529 538) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 759 861) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-09-08 06:10:59,818 INFO L443 ceAbstractionStarter]: For program point L824-1(line 824) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 787) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 858) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 814) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L808-2(lines 808 828) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 759 861) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L829(lines 807 830) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L788(lines 788 804) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 759 861) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 855) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L809(lines 808 828) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 846) no Hoare annotation was computed. [2019-09-08 06:10:59,819 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:10:59,820 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-08 06:10:59,820 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:10:59,820 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2019-09-08 06:10:59,820 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2019-09-08 06:10:59,820 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 352 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-09-08 06:10:59,820 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 127 135) the Hoare annotation is: true [2019-09-08 06:10:59,820 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2019-09-08 06:10:59,820 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2019-09-08 06:10:59,820 INFO L443 ceAbstractionStarter]: For program point L433(lines 433 437) no Hoare annotation was computed. [2019-09-08 06:10:59,821 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 424 442) no Hoare annotation was computed. [2019-09-08 06:10:59,821 INFO L446 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: true [2019-09-08 06:10:59,821 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2019-09-08 06:10:59,821 INFO L443 ceAbstractionStarter]: For program point L431-1(line 431) no Hoare annotation was computed. [2019-09-08 06:10:59,821 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 424 442) the Hoare annotation is: true [2019-09-08 06:10:59,821 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 424 442) no Hoare annotation was computed. [2019-09-08 06:10:59,821 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2019-09-08 06:10:59,821 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2019-09-08 06:10:59,821 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2019-09-08 06:10:59,821 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:10:59,821 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-08 06:10:59,821 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:10:59,822 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 95 103) no Hoare annotation was computed. [2019-09-08 06:10:59,822 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2019-09-08 06:10:59,822 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2019-09-08 06:10:59,822 INFO L439 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (and (= 1 ~systemActive~0) .cse5 (<= 2 ~waterLevel~0) .cse0 .cse1))) (and (or (and .cse0 .cse1) (or .cse2 .cse3 (not (= |old(~waterLevel~0)| 1)))) (or (let ((.cse4 (+ ~waterLevel~0 1))) (and (<= .cse4 |old(~waterLevel~0)|) .cse5 (<= |old(~waterLevel~0)| .cse4))) (or .cse6 .cse3) .cse7) (or (or .cse2 .cse6 .cse3) .cse7)))) [2019-09-08 06:10:59,822 INFO L439 ceAbstractionStarter]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse4))) (and (or (let ((.cse0 (+ ~waterLevel~0 1))) (and (<= .cse0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse0) .cse1)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2) .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse2 (and .cse4 .cse1) .cse3)))) [2019-09-08 06:10:59,822 INFO L439 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2019-09-08 06:10:59,822 INFO L443 ceAbstractionStarter]: For program point L273(lines 272 291) no Hoare annotation was computed. [2019-09-08 06:10:59,822 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 269 292) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and .cse0 (= ~pumpRunning~0 0)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= |old(~waterLevel~0)| 1)))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2019-09-08 06:10:59,822 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 269 292) no Hoare annotation was computed. [2019-09-08 06:10:59,823 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 269 292) no Hoare annotation was computed. [2019-09-08 06:10:59,823 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2019-09-08 06:10:59,823 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2019-09-08 06:10:59,823 INFO L446 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2019-09-08 06:10:59,823 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-09-08 06:10:59,823 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-09-08 06:10:59,823 INFO L446 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2019-09-08 06:10:59,823 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-09-08 06:10:59,823 INFO L446 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2019-09-08 06:10:59,824 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-09-08 06:10:59,824 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-09-08 06:10:59,824 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (<= 2 |old(~waterLevel~0)|)) (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0))) [2019-09-08 06:10:59,824 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2019-09-08 06:10:59,824 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2019-09-08 06:10:59,824 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2019-09-08 06:10:59,824 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2019-09-08 06:10:59,824 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:10:59,824 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-08 06:10:59,825 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 06:10:59,825 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:10:59,825 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 301 325) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 1)))))) [2019-09-08 06:10:59,825 INFO L439 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-08 06:10:59,825 INFO L443 ceAbstractionStarter]: For program point L320-1(lines 301 325) no Hoare annotation was computed. [2019-09-08 06:10:59,825 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 301 325) no Hoare annotation was computed. [2019-09-08 06:10:59,825 INFO L439 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (or (or .cse1 .cse2 (not (= ~waterLevel~0 1))) .cse0))) [2019-09-08 06:10:59,825 INFO L439 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1))) [2019-09-08 06:10:59,825 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 317) no Hoare annotation was computed. [2019-09-08 06:10:59,825 INFO L439 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 1)))))) [2019-09-08 06:10:59,825 INFO L443 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2019-09-08 06:10:59,826 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 322) no Hoare annotation was computed. [2019-09-08 06:10:59,826 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2019-09-08 06:10:59,826 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2019-09-08 06:10:59,826 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse1 (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= |old(~waterLevel~0)| 1)))))) [2019-09-08 06:10:59,826 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-09-08 06:10:59,826 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-09-08 06:10:59,826 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-09-08 06:10:59,826 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-09-08 06:10:59,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:10:59 BoogieIcfgContainer [2019-09-08 06:10:59,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:10:59,842 INFO L168 Benchmark]: Toolchain (without parser) took 16229.12 ms. Allocated memory was 136.8 MB in the beginning and 485.5 MB in the end (delta: 348.7 MB). Free memory was 83.2 MB in the beginning and 202.3 MB in the end (delta: -119.1 MB). Peak memory consumption was 366.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:59,843 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 136.8 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:10:59,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.51 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 83.0 MB in the beginning and 162.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:59,844 INFO L168 Benchmark]: Boogie Preprocessor took 99.02 ms. Allocated memory is still 198.2 MB. Free memory was 162.3 MB in the beginning and 157.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:59,845 INFO L168 Benchmark]: RCFGBuilder took 1173.46 ms. Allocated memory is still 198.2 MB. Free memory was 157.6 MB in the beginning and 73.4 MB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:59,846 INFO L168 Benchmark]: TraceAbstraction took 14231.32 ms. Allocated memory was 198.2 MB in the beginning and 485.5 MB in the end (delta: 287.3 MB). Free memory was 72.7 MB in the beginning and 202.3 MB in the end (delta: -129.6 MB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:59,850 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 136.8 MB. Free memory was 103.0 MB in the beginning and 102.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 720.51 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 83.0 MB in the beginning and 162.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.02 ms. Allocated memory is still 198.2 MB. Free memory was 162.3 MB in the beginning and 157.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1173.46 ms. Allocated memory is still 198.2 MB. Free memory was 157.6 MB in the beginning and 73.4 MB in the end (delta: 84.3 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14231.32 ms. Allocated memory was 198.2 MB in the beginning and 485.5 MB in the end (delta: 287.3 MB). Free memory was 72.7 MB in the beginning and 202.3 MB in the end (delta: -129.6 MB). Peak memory consumption was 294.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (2 <= waterLevel && 0 == splverifierCounter)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. SAFE Result, 14.1s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 7.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2061 SDtfs, 1781 SDslu, 6461 SDs, 0 SdLazy, 4419 SolverSat, 946 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1071 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=883occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 303 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1591 PreInvPairs, 1632 NumberOfFragments, 993 HoareAnnotationTreeSize, 1591 FomulaSimplifications, 4596 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 58 FomulaSimplificationsInter, 5100 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2362 NumberOfCodeBlocks, 2362 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2343 ConstructedInterpolants, 0 QuantifiedInterpolants, 469635 SizeOfPredicates, 15 NumberOfNonLiveVariables, 5236 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 635/692 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...