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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:21,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:21,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:21,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:21,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:21,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:21,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:21,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:21,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:21,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:21,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:21,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:21,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:21,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:21,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:21,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:21,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:21,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:21,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:21,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:21,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:21,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:21,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:21,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:21,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:21,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:21,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:21,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:21,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:21,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:21,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:21,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:21,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:21,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:21,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:21,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:21,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:21,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:21,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:21,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:21,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:21,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:17:21,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:21,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:21,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:21,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:21,287 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:21,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:21,287 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:21,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:21,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:21,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:21,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:21,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:21,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:21,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:21,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:21,289 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:21,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:21,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:21,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:21,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:21,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:21,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:21,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:21,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:21,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:21,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:21,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:21,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:21,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:17:21,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:21,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:21,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:21,607 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:21,608 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:21,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-10-07 15:17:21,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9a7dd8a/0c7de78be61e4f9a96d687e4b461baed/FLAGb3459048e [2019-10-07 15:17:22,172 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:22,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-10-07 15:17:22,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9a7dd8a/0c7de78be61e4f9a96d687e4b461baed/FLAGb3459048e [2019-10-07 15:17:22,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf9a7dd8a/0c7de78be61e4f9a96d687e4b461baed [2019-10-07 15:17:22,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:22,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:22,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:22,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:22,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:22,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:22" (1/1) ... [2019-10-07 15:17:22,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af4353f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:22, skipping insertion in model container [2019-10-07 15:17:22,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:22" (1/1) ... [2019-10-07 15:17:22,566 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:22,635 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:23,073 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:23,091 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:23,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:23,285 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:23,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23 WrapperNode [2019-10-07 15:17:23,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:23,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:23,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:23,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:23,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23" (1/1) ... [2019-10-07 15:17:23,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23" (1/1) ... [2019-10-07 15:17:23,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23" (1/1) ... [2019-10-07 15:17:23,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23" (1/1) ... [2019-10-07 15:17:23,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23" (1/1) ... [2019-10-07 15:17:23,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23" (1/1) ... [2019-10-07 15:17:23,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23" (1/1) ... [2019-10-07 15:17:23,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:23,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:23,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:23,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:23,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:23,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:23,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:23,488 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:17:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:17:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:17:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:23,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:17:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:23,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:23,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:23,493 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:23,494 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:23,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:23,496 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:23,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:23,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:23,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:17:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:23,500 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:17:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:23,501 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:17:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:17:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:23,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:23,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:25,292 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:25,292 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:25,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:25 BoogieIcfgContainer [2019-10-07 15:17:25,294 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:25,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:25,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:25,300 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:25,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:22" (1/3) ... [2019-10-07 15:17:25,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12266160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:25, skipping insertion in model container [2019-10-07 15:17:25,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:23" (2/3) ... [2019-10-07 15:17:25,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12266160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:25, skipping insertion in model container [2019-10-07 15:17:25,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:25" (3/3) ... [2019-10-07 15:17:25,304 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2019-10-07 15:17:25,316 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:25,327 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:25,342 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:25,374 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:25,374 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:25,374 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:25,374 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:25,375 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:25,375 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:25,376 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:25,376 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2019-10-07 15:17:25,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:25,429 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:25,430 INFO L385 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] [2019-10-07 15:17:25,434 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:25,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:25,443 INFO L82 PathProgramCache]: Analyzing trace with hash 642409013, now seen corresponding path program 1 times [2019-10-07 15:17:25,450 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:25,450 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:25,451 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:25,451 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:25,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:25,842 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:25,843 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:25,844 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:25,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:25,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:25,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:25,876 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2019-10-07 15:17:25,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:25,953 INFO L93 Difference]: Finished difference Result 252 states and 307 transitions. [2019-10-07 15:17:25,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:25,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:25,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:25,971 INFO L225 Difference]: With dead ends: 252 [2019-10-07 15:17:25,971 INFO L226 Difference]: Without dead ends: 128 [2019-10-07 15:17:25,976 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:25,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-10-07 15:17:26,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-10-07 15:17:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-07 15:17:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2019-10-07 15:17:26,031 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 46 [2019-10-07 15:17:26,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:26,032 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2019-10-07 15:17:26,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:26,032 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2019-10-07 15:17:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:26,036 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:26,037 INFO L385 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] [2019-10-07 15:17:26,037 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:26,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:26,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1842614186, now seen corresponding path program 1 times [2019-10-07 15:17:26,038 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:26,038 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:26,038 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:26,039 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:26,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:26,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:26,158 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:26,158 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:26,158 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:26,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:26,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:26,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:26,161 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2019-10-07 15:17:26,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:26,192 INFO L93 Difference]: Finished difference Result 206 states and 241 transitions. [2019-10-07 15:17:26,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:26,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:26,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:26,197 INFO L225 Difference]: With dead ends: 206 [2019-10-07 15:17:26,197 INFO L226 Difference]: Without dead ends: 120 [2019-10-07 15:17:26,200 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:26,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-07 15:17:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-07 15:17:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-07 15:17:26,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2019-10-07 15:17:26,230 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 47 [2019-10-07 15:17:26,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:26,231 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2019-10-07 15:17:26,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:26,231 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2019-10-07 15:17:26,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:17:26,239 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:26,239 INFO L385 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] [2019-10-07 15:17:26,240 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:26,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:26,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1559539525, now seen corresponding path program 1 times [2019-10-07 15:17:26,241 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:26,241 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:26,241 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:26,242 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:26,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:26,492 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:26,492 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:26,492 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:26,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:26,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:26,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:26,494 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand 7 states. [2019-10-07 15:17:26,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:26,870 INFO L93 Difference]: Finished difference Result 215 states and 252 transitions. [2019-10-07 15:17:26,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:17:26,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:17:26,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:26,875 INFO L225 Difference]: With dead ends: 215 [2019-10-07 15:17:26,875 INFO L226 Difference]: Without dead ends: 120 [2019-10-07 15:17:26,877 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:17:26,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-07 15:17:26,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-07 15:17:26,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-07 15:17:26,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 137 transitions. [2019-10-07 15:17:26,891 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 137 transitions. Word has length 50 [2019-10-07 15:17:26,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:26,893 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 137 transitions. [2019-10-07 15:17:26,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:26,893 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2019-10-07 15:17:26,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-07 15:17:26,896 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:26,901 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:17:26,901 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:26,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:26,902 INFO L82 PathProgramCache]: Analyzing trace with hash 650753450, now seen corresponding path program 1 times [2019-10-07 15:17:26,902 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:26,902 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:26,903 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:26,903 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:27,069 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:27,069 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:27,069 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:17:27,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:17:27,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:17:27,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:17:27,071 INFO L87 Difference]: Start difference. First operand 120 states and 137 transitions. Second operand 5 states. [2019-10-07 15:17:27,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:27,594 INFO L93 Difference]: Finished difference Result 313 states and 375 transitions. [2019-10-07 15:17:27,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:27,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2019-10-07 15:17:27,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:27,600 INFO L225 Difference]: With dead ends: 313 [2019-10-07 15:17:27,600 INFO L226 Difference]: Without dead ends: 218 [2019-10-07 15:17:27,605 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:27,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-10-07 15:17:27,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 201. [2019-10-07 15:17:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-10-07 15:17:27,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 224 transitions. [2019-10-07 15:17:27,673 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 224 transitions. Word has length 67 [2019-10-07 15:17:27,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:27,674 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 224 transitions. [2019-10-07 15:17:27,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:17:27,675 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 224 transitions. [2019-10-07 15:17:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-07 15:17:27,677 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:27,677 INFO L385 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] [2019-10-07 15:17:27,678 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:27,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:27,678 INFO L82 PathProgramCache]: Analyzing trace with hash 478031215, now seen corresponding path program 1 times [2019-10-07 15:17:27,679 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:27,679 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:27,679 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:27,679 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:27,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:27,827 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:27,827 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:27,828 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:27,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:27,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:27,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:27,829 INFO L87 Difference]: Start difference. First operand 201 states and 224 transitions. Second operand 6 states. [2019-10-07 15:17:28,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:28,070 INFO L93 Difference]: Finished difference Result 536 states and 613 transitions. [2019-10-07 15:17:28,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:28,070 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-10-07 15:17:28,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:28,082 INFO L225 Difference]: With dead ends: 536 [2019-10-07 15:17:28,082 INFO L226 Difference]: Without dead ends: 360 [2019-10-07 15:17:28,085 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:17:28,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2019-10-07 15:17:28,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 350. [2019-10-07 15:17:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-10-07 15:17:28,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 388 transitions. [2019-10-07 15:17:28,127 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 388 transitions. Word has length 77 [2019-10-07 15:17:28,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:28,128 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 388 transitions. [2019-10-07 15:17:28,128 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:28,128 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 388 transitions. [2019-10-07 15:17:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-07 15:17:28,130 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:28,130 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:28,130 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:28,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:28,131 INFO L82 PathProgramCache]: Analyzing trace with hash -569872673, now seen corresponding path program 1 times [2019-10-07 15:17:28,131 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:28,131 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:28,131 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:28,131 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:28,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:28,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:28,278 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:28,279 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:28,279 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:28,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:28,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:28,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:28,280 INFO L87 Difference]: Start difference. First operand 350 states and 388 transitions. Second operand 7 states. [2019-10-07 15:17:28,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:28,867 INFO L93 Difference]: Finished difference Result 552 states and 634 transitions. [2019-10-07 15:17:28,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:28,868 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2019-10-07 15:17:28,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:28,872 INFO L225 Difference]: With dead ends: 552 [2019-10-07 15:17:28,872 INFO L226 Difference]: Without dead ends: 376 [2019-10-07 15:17:28,873 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:17:28,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-10-07 15:17:28,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 349. [2019-10-07 15:17:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-10-07 15:17:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 385 transitions. [2019-10-07 15:17:28,905 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 385 transitions. Word has length 80 [2019-10-07 15:17:28,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:28,906 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 385 transitions. [2019-10-07 15:17:28,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 385 transitions. [2019-10-07 15:17:28,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-07 15:17:28,907 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:28,908 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:28,908 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:28,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:28,908 INFO L82 PathProgramCache]: Analyzing trace with hash 714102631, now seen corresponding path program 1 times [2019-10-07 15:17:28,909 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:28,909 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:28,909 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:28,909 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:28,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:28,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:28,970 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:28,970 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:28,970 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:28,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:28,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:28,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:28,972 INFO L87 Difference]: Start difference. First operand 349 states and 385 transitions. Second operand 3 states. [2019-10-07 15:17:29,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:29,014 INFO L93 Difference]: Finished difference Result 500 states and 564 transitions. [2019-10-07 15:17:29,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:29,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-10-07 15:17:29,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:29,018 INFO L225 Difference]: With dead ends: 500 [2019-10-07 15:17:29,018 INFO L226 Difference]: Without dead ends: 497 [2019-10-07 15:17:29,019 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:29,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-10-07 15:17:29,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 484. [2019-10-07 15:17:29,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-10-07 15:17:29,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 544 transitions. [2019-10-07 15:17:29,053 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 544 transitions. Word has length 80 [2019-10-07 15:17:29,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:29,053 INFO L462 AbstractCegarLoop]: Abstraction has 484 states and 544 transitions. [2019-10-07 15:17:29,053 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:29,054 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 544 transitions. [2019-10-07 15:17:29,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-07 15:17:29,057 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:29,057 INFO L385 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, 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] [2019-10-07 15:17:29,057 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:29,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:29,058 INFO L82 PathProgramCache]: Analyzing trace with hash 161903314, now seen corresponding path program 1 times [2019-10-07 15:17:29,058 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:29,058 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:29,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:29,058 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:29,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:17:29,360 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:29,360 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:29,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:29,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-07 15:17:29,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:29,744 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:29,745 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:30,026 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-07 15:17:30,027 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:30,027 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14, 3] total 15 [2019-10-07 15:17:30,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:30,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:30,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:30,030 INFO L87 Difference]: Start difference. First operand 484 states and 544 transitions. Second operand 3 states. [2019-10-07 15:17:30,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:30,124 INFO L93 Difference]: Finished difference Result 893 states and 1007 transitions. [2019-10-07 15:17:30,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:30,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-10-07 15:17:30,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:30,128 INFO L225 Difference]: With dead ends: 893 [2019-10-07 15:17:30,128 INFO L226 Difference]: Without dead ends: 434 [2019-10-07 15:17:30,130 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 270 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2019-10-07 15:17:30,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2019-10-07 15:17:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2019-10-07 15:17:30,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 477 transitions. [2019-10-07 15:17:30,160 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 477 transitions. Word has length 134 [2019-10-07 15:17:30,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:30,161 INFO L462 AbstractCegarLoop]: Abstraction has 434 states and 477 transitions. [2019-10-07 15:17:30,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 477 transitions. [2019-10-07 15:17:30,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 15:17:30,164 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:30,164 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:30,374 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:30,374 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:30,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:30,374 INFO L82 PathProgramCache]: Analyzing trace with hash 946422237, now seen corresponding path program 1 times [2019-10-07 15:17:30,375 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:30,375 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:30,375 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:30,376 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:30,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:30,649 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:17:30,649 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:30,649 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:30,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:30,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:30,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:17:31,054 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:31,553 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 15:17:31,553 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:31,553 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-07 15:17:31,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:31,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:31,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:31,555 INFO L87 Difference]: Start difference. First operand 434 states and 477 transitions. Second operand 11 states. [2019-10-07 15:17:32,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:32,233 INFO L93 Difference]: Finished difference Result 949 states and 1069 transitions. [2019-10-07 15:17:32,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:17:32,234 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2019-10-07 15:17:32,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:32,235 INFO L225 Difference]: With dead ends: 949 [2019-10-07 15:17:32,235 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:17:32,238 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:17:32,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:17:32,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:17:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:17:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:17:32,239 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2019-10-07 15:17:32,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:32,239 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:17:32,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:17:32,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:17:32,445 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:32,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:17:33,217 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2019-10-07 15:17:35,333 INFO L443 ceAbstractionStarter]: For program point L287(lines 264 288) no Hoare annotation was computed. [2019-10-07 15:17:35,333 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 275) no Hoare annotation was computed. [2019-10-07 15:17:35,333 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 286) no Hoare annotation was computed. [2019-10-07 15:17:35,333 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 240 295) no Hoare annotation was computed. [2019-10-07 15:17:35,333 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 240 295) no Hoare annotation was computed. [2019-10-07 15:17:35,334 INFO L443 ceAbstractionStarter]: For program point L322-2(lines 322 347) no Hoare annotation was computed. [2019-10-07 15:17:35,334 INFO L443 ceAbstractionStarter]: For program point L348(lines 321 349) no Hoare annotation was computed. [2019-10-07 15:17:35,334 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 296 355) no Hoare annotation was computed. [2019-10-07 15:17:35,334 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-10-07 15:17:35,334 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-10-07 15:17:35,334 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 296 355) no Hoare annotation was computed. [2019-10-07 15:17:35,334 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 296 355) no Hoare annotation was computed. [2019-10-07 15:17:35,334 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-10-07 15:17:35,335 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2019-10-07 15:17:35,335 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2019-10-07 15:17:35,335 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2019-10-07 15:17:35,335 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2019-10-07 15:17:35,335 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,335 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,336 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,336 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,336 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-10-07 15:17:35,336 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,336 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,336 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-07 15:17:35,337 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-10-07 15:17:35,337 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-07 15:17:35,337 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:17:35,337 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-07 15:17:35,337 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:17:35,337 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-07 15:17:35,337 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-07 15:17:35,337 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-07 15:17:35,338 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-07 15:17:35,338 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-07 15:17:35,338 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-07 15:17:35,338 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-07 15:17:35,338 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-07 15:17:35,338 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-07 15:17:35,338 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-07 15:17:35,338 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-07 15:17:35,339 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-07 15:17:35,339 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-07 15:17:35,339 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-07 15:17:35,339 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2019-10-07 15:17:35,339 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2019-10-07 15:17:35,339 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2019-10-07 15:17:35,339 INFO L446 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2019-10-07 15:17:35,339 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2019-10-07 15:17:35,340 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-10-07 15:17:35,340 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 776 811) no Hoare annotation was computed. [2019-10-07 15:17:35,340 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-07 15:17:35,340 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-10-07 15:17:35,340 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 776 811) no Hoare annotation was computed. [2019-10-07 15:17:35,340 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2019-10-07 15:17:35,340 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2019-10-07 15:17:35,340 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 194 239) no Hoare annotation was computed. [2019-10-07 15:17:35,341 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 194 239) no Hoare annotation was computed. [2019-10-07 15:17:35,341 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 507 552) no Hoare annotation was computed. [2019-10-07 15:17:35,341 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 507 552) no Hoare annotation was computed. [2019-10-07 15:17:35,341 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,341 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,341 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-10-07 15:17:35,342 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-10-07 15:17:35,342 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2019-10-07 15:17:35,342 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2019-10-07 15:17:35,342 INFO L446 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2019-10-07 15:17:35,342 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-10-07 15:17:35,342 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:17:35,342 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2019-10-07 15:17:35,342 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2019-10-07 15:17:35,343 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2019-10-07 15:17:35,343 INFO L439 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:17:35,343 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2019-10-07 15:17:35,343 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-07 15:17:35,343 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2019-10-07 15:17:35,343 INFO L439 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~8) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:35,344 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:35,344 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-10-07 15:17:35,344 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-07 15:17:35,344 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-10-07 15:17:35,344 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-10-07 15:17:35,344 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2019-10-07 15:17:35,344 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2019-10-07 15:17:35,344 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,345 INFO L439 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:35,345 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2019-10-07 15:17:35,345 INFO L443 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2019-10-07 15:17:35,345 INFO L439 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:35,345 INFO L443 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2019-10-07 15:17:35,345 INFO L439 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:35,345 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2019-10-07 15:17:35,346 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2019-10-07 15:17:35,346 INFO L439 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:35,346 INFO L439 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:17:35,346 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-10-07 15:17:35,346 INFO L443 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2019-10-07 15:17:35,346 INFO L439 ceAbstractionStarter]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:17:35,346 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2019-10-07 15:17:35,347 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 461 506) no Hoare annotation was computed. [2019-10-07 15:17:35,347 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 461 506) no Hoare annotation was computed. [2019-10-07 15:17:35,347 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2019-10-07 15:17:35,347 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2019-10-07 15:17:35,347 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:17:35,347 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:35,347 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2019-10-07 15:17:35,347 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2019-10-07 15:17:35,348 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse2 (= 0 ~methAndRunningLastTime~0) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse2 .cse1 .cse0))) [2019-10-07 15:17:35,348 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-10-07 15:17:35,348 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-10-07 15:17:35,348 INFO L443 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2019-10-07 15:17:35,348 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2))) [2019-10-07 15:17:35,348 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2019-10-07 15:17:35,348 INFO L443 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2019-10-07 15:17:35,349 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:17:35,349 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2019-10-07 15:17:35,349 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 907 929) no Hoare annotation was computed. [2019-10-07 15:17:35,349 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 907 929) no Hoare annotation was computed. [2019-10-07 15:17:35,349 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 358 460) no Hoare annotation was computed. [2019-10-07 15:17:35,349 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-10-07 15:17:35,349 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 427) no Hoare annotation was computed. [2019-10-07 15:17:35,349 INFO L443 ceAbstractionStarter]: For program point L428(lines 406 429) no Hoare annotation was computed. [2019-10-07 15:17:35,350 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 358 460) no Hoare annotation was computed. [2019-10-07 15:17:35,350 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 403) no Hoare annotation was computed. [2019-10-07 15:17:35,350 INFO L443 ceAbstractionStarter]: For program point L408(lines 407 427) no Hoare annotation was computed. [2019-10-07 15:17:35,350 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-07 15:17:35,350 INFO L443 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-10-07 15:17:35,350 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 445) no Hoare annotation was computed. [2019-10-07 15:17:35,350 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 358 460) no Hoare annotation was computed. [2019-10-07 15:17:35,350 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-10-07 15:17:35,351 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-07 15:17:35,351 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 964 973) no Hoare annotation was computed. [2019-10-07 15:17:35,351 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 964 973) no Hoare annotation was computed. [2019-10-07 15:17:35,351 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:17:35,351 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:35,351 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2019-10-07 15:17:35,351 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-10-07 15:17:35,351 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2019-10-07 15:17:35,352 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2019-10-07 15:17:35,352 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-10-07 15:17:35,352 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-07 15:17:35,352 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 930 938) no Hoare annotation was computed. [2019-10-07 15:17:35,352 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 930 938) no Hoare annotation was computed. [2019-10-07 15:17:35,352 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1) .cse2 .cse3) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse0 .cse2 .cse3))) [2019-10-07 15:17:35,352 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2019-10-07 15:17:35,352 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:35,353 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:17:35,353 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2))) [2019-10-07 15:17:35,353 INFO L443 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2019-10-07 15:17:35,353 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse2) .cse1 .cse3))) [2019-10-07 15:17:35,353 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2019-10-07 15:17:35,353 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2019-10-07 15:17:35,354 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) .cse1) .cse2 .cse3))) [2019-10-07 15:17:35,354 INFO L439 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse5 (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse2) (or .cse6 .cse0 .cse2 .cse3 .cse4))) [2019-10-07 15:17:35,354 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-07 15:17:35,354 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-07 15:17:35,354 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-07 15:17:35,354 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-07 15:17:35,354 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-07 15:17:35,354 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-07 15:17:35,355 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-07 15:17:35,355 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-07 15:17:35,355 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-07 15:17:35,355 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2019-10-07 15:17:35,355 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2019-10-07 15:17:35,355 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: true [2019-10-07 15:17:35,355 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2019-10-07 15:17:35,355 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-07 15:17:35,356 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-07 15:17:35,356 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:17:35,356 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-07 15:17:35,356 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:17:35,356 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:17:35,356 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2019-10-07 15:17:35,356 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:35,356 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:35,357 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:35,357 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2019-10-07 15:17:35,357 INFO L439 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:35,357 INFO L443 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2019-10-07 15:17:35,357 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2019-10-07 15:17:35,357 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2019-10-07 15:17:35,357 INFO L439 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:35,358 INFO L443 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2019-10-07 15:17:35,358 INFO L439 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:35,358 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2019-10-07 15:17:35,358 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: true [2019-10-07 15:17:35,358 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2019-10-07 15:17:35,358 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2019-10-07 15:17:35,358 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2019-10-07 15:17:35,359 INFO L439 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:35,359 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2019-10-07 15:17:35,359 INFO L439 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:35,359 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:35,359 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2019-10-07 15:17:35,360 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:17:35,360 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-10-07 15:17:35,360 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-10-07 15:17:35,360 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-07 15:17:35,360 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2019-10-07 15:17:35,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:17:35 BoogieIcfgContainer [2019-10-07 15:17:35,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:17:35,377 INFO L168 Benchmark]: Toolchain (without parser) took 12826.75 ms. Allocated memory was 144.2 MB in the beginning and 405.8 MB in the end (delta: 261.6 MB). Free memory was 99.8 MB in the beginning and 303.7 MB in the end (delta: -204.0 MB). Peak memory consumption was 278.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:35,378 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:35,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.20 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.5 MB in the beginning and 169.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:35,379 INFO L168 Benchmark]: Boogie Preprocessor took 118.35 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:35,381 INFO L168 Benchmark]: RCFGBuilder took 1888.95 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 165.5 MB in the beginning and 143.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:35,382 INFO L168 Benchmark]: TraceAbstraction took 10078.41 ms. Allocated memory was 232.8 MB in the beginning and 405.8 MB in the end (delta: 173.0 MB). Free memory was 143.4 MB in the beginning and 303.7 MB in the end (delta: -160.3 MB). Peak memory consumption was 233.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:35,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.20 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.5 MB in the beginning and 169.6 MB in the end (delta: -70.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.35 ms. Allocated memory is still 201.9 MB. Free memory was 169.6 MB in the beginning and 165.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1888.95 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 165.5 MB in the beginning and 143.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10078.41 ms. Allocated memory was 232.8 MB in the beginning and 405.8 MB in the end (delta: 173.0 MB). Free memory was 143.4 MB in the beginning and 303.7 MB in the end (delta: -160.3 MB). Peak memory consumption was 233.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1002]: 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: 565]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) || !(0 == \old(pumpRunning))) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 200 locations, 1 error locations. Result: SAFE, OverallTime: 9.9s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, HoareTripleCheckerStatistics: 1327 SDtfs, 791 SDslu, 2341 SDs, 0 SdLazy, 1369 SolverSat, 267 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 676 GetRequests, 594 SyntacticMatches, 2 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 67 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1090 PreInvPairs, 1143 NumberOfFragments, 1496 HoareAnnotationTreeSize, 1090 FomulaSimplifications, 1538 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 4300 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1007 NumberOfCodeBlocks, 1007 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1274 ConstructedInterpolants, 0 QuantifiedInterpolants, 241105 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1839 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 246/272 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...