java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:48,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:48,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:48,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:48,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:48,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:48,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:48,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:48,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:48,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:48,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:48,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:48,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:48,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:48,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:48,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:48,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:48,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:48,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:48,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:48,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:48,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:48,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:48,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:48,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:48,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:48,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:48,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:48,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:48,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:48,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:48,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:48,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:48,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:48,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:48,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:48,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:48,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:48,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:48,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:48,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:48,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:20:48,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:48,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:48,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:48,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:48,184 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:48,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:48,185 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:48,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:48,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:48,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:48,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:48,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:48,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:48,186 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:48,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:48,186 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:48,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:48,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:48,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:48,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:48,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:48,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:48,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:48,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:48,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:48,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:48,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:48,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:48,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:20:48,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:48,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:48,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:48,486 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:48,487 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:48,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-10-13 21:20:48,554 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7cde77e/fcd766287ad049b8abc67dbf4476ce11/FLAG62cb20635 [2019-10-13 21:20:49,072 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:49,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2019-10-13 21:20:49,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7cde77e/fcd766287ad049b8abc67dbf4476ce11/FLAG62cb20635 [2019-10-13 21:20:49,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7cde77e/fcd766287ad049b8abc67dbf4476ce11 [2019-10-13 21:20:49,334 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:49,336 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:49,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:49,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:49,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:49,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:49" (1/1) ... [2019-10-13 21:20:49,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fde0831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:49, skipping insertion in model container [2019-10-13 21:20:49,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:49" (1/1) ... [2019-10-13 21:20:49,354 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:49,420 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:49,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:49,960 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:50,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:50,108 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:50,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50 WrapperNode [2019-10-13 21:20:50,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:50,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:50,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:50,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:50,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50" (1/1) ... [2019-10-13 21:20:50,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50" (1/1) ... [2019-10-13 21:20:50,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50" (1/1) ... [2019-10-13 21:20:50,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50" (1/1) ... [2019-10-13 21:20:50,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50" (1/1) ... [2019-10-13 21:20:50,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50" (1/1) ... [2019-10-13 21:20:50,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50" (1/1) ... [2019-10-13 21:20:50,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:50,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:50,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:50,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:50,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:20:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:20:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 21:20:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 21:20:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:20:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:20:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:51,481 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:51,481 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:51,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:51 BoogieIcfgContainer [2019-10-13 21:20:51,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:51,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:51,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:51,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:51,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:49" (1/3) ... [2019-10-13 21:20:51,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c302d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:51, skipping insertion in model container [2019-10-13 21:20:51,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:50" (2/3) ... [2019-10-13 21:20:51,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24c302d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:51, skipping insertion in model container [2019-10-13 21:20:51,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:51" (3/3) ... [2019-10-13 21:20:51,494 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2019-10-13 21:20:51,505 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:51,515 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:51,527 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:51,562 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:51,562 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:51,562 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:51,562 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:51,563 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:51,563 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:51,564 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:51,564 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2019-10-13 21:20:51,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:20:51,607 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:51,608 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:51,610 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:51,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:51,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1445624956, now seen corresponding path program 1 times [2019-10-13 21:20:51,623 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:51,623 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455719743] [2019-10-13 21:20:51,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,624 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:51,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:51,982 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455719743] [2019-10-13 21:20:51,983 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:51,984 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:51,984 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206534632] [2019-10-13 21:20:51,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:51,994 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:52,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:52,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:52,013 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2019-10-13 21:20:52,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:52,056 INFO L93 Difference]: Finished difference Result 300 states and 373 transitions. [2019-10-13 21:20:52,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:52,057 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-13 21:20:52,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:52,072 INFO L225 Difference]: With dead ends: 300 [2019-10-13 21:20:52,072 INFO L226 Difference]: Without dead ends: 152 [2019-10-13 21:20:52,078 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:52,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-10-13 21:20:52,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-10-13 21:20:52,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-13 21:20:52,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2019-10-13 21:20:52,142 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 51 [2019-10-13 21:20:52,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:52,143 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2019-10-13 21:20:52,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:52,143 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2019-10-13 21:20:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:52,147 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:52,148 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:52,148 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:52,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:52,149 INFO L82 PathProgramCache]: Analyzing trace with hash 313505704, now seen corresponding path program 1 times [2019-10-13 21:20:52,149 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:52,149 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742638557] [2019-10-13 21:20:52,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:52,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:52,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:52,273 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742638557] [2019-10-13 21:20:52,274 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:52,274 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:52,274 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166371148] [2019-10-13 21:20:52,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:52,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:52,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:52,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:52,278 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2019-10-13 21:20:52,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:52,339 INFO L93 Difference]: Finished difference Result 245 states and 291 transitions. [2019-10-13 21:20:52,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:52,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-13 21:20:52,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:52,346 INFO L225 Difference]: With dead ends: 245 [2019-10-13 21:20:52,346 INFO L226 Difference]: Without dead ends: 143 [2019-10-13 21:20:52,350 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:52,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-13 21:20:52,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-10-13 21:20:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-10-13 21:20:52,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2019-10-13 21:20:52,382 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 52 [2019-10-13 21:20:52,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:52,382 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2019-10-13 21:20:52,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:52,383 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2019-10-13 21:20:52,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:20:52,393 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:52,393 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:52,394 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:52,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:52,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1935207340, now seen corresponding path program 1 times [2019-10-13 21:20:52,394 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:52,395 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055829051] [2019-10-13 21:20:52,395 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:52,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:52,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:52,621 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055829051] [2019-10-13 21:20:52,622 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:52,622 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:52,622 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646735309] [2019-10-13 21:20:52,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:52,623 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:52,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:52,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:52,624 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2019-10-13 21:20:52,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:52,989 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2019-10-13 21:20:52,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:52,990 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 21:20:52,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:52,992 INFO L225 Difference]: With dead ends: 258 [2019-10-13 21:20:52,993 INFO L226 Difference]: Without dead ends: 143 [2019-10-13 21:20:52,994 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:52,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-13 21:20:53,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-10-13 21:20:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-10-13 21:20:53,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2019-10-13 21:20:53,011 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 57 [2019-10-13 21:20:53,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:53,012 INFO L462 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2019-10-13 21:20:53,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:53,012 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2019-10-13 21:20:53,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-13 21:20:53,014 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:53,014 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:53,015 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:53,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:53,015 INFO L82 PathProgramCache]: Analyzing trace with hash 979214064, now seen corresponding path program 1 times [2019-10-13 21:20:53,015 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:53,016 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129067398] [2019-10-13 21:20:53,016 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:53,016 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:53,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:53,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129067398] [2019-10-13 21:20:53,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:53,135 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:20:53,135 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708177857] [2019-10-13 21:20:53,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:53,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:53,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:53,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:20:53,138 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 5 states. [2019-10-13 21:20:53,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:53,621 INFO L93 Difference]: Finished difference Result 367 states and 447 transitions. [2019-10-13 21:20:53,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:53,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-10-13 21:20:53,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:53,625 INFO L225 Difference]: With dead ends: 367 [2019-10-13 21:20:53,625 INFO L226 Difference]: Without dead ends: 252 [2019-10-13 21:20:53,626 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:53,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2019-10-13 21:20:53,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 233. [2019-10-13 21:20:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2019-10-13 21:20:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 266 transitions. [2019-10-13 21:20:53,656 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 266 transitions. Word has length 75 [2019-10-13 21:20:53,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:53,656 INFO L462 AbstractCegarLoop]: Abstraction has 233 states and 266 transitions. [2019-10-13 21:20:53,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 266 transitions. [2019-10-13 21:20:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:20:53,660 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:53,660 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:53,660 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:53,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:53,661 INFO L82 PathProgramCache]: Analyzing trace with hash -919866488, now seen corresponding path program 1 times [2019-10-13 21:20:53,661 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:53,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326243969] [2019-10-13 21:20:53,664 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:53,664 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:53,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:53,784 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326243969] [2019-10-13 21:20:53,785 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:53,785 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:53,785 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136938112] [2019-10-13 21:20:53,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:53,786 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:53,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:53,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:53,787 INFO L87 Difference]: Start difference. First operand 233 states and 266 transitions. Second operand 6 states. [2019-10-13 21:20:53,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:53,994 INFO L93 Difference]: Finished difference Result 625 states and 734 transitions. [2019-10-13 21:20:53,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:53,994 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-10-13 21:20:53,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:53,999 INFO L225 Difference]: With dead ends: 625 [2019-10-13 21:20:53,999 INFO L226 Difference]: Without dead ends: 420 [2019-10-13 21:20:54,001 INFO L600 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 [2019-10-13 21:20:54,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-10-13 21:20:54,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 414. [2019-10-13 21:20:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-13 21:20:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 472 transitions. [2019-10-13 21:20:54,036 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 472 transitions. Word has length 89 [2019-10-13 21:20:54,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:54,036 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 472 transitions. [2019-10-13 21:20:54,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 472 transitions. [2019-10-13 21:20:54,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-13 21:20:54,038 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:54,038 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:54,038 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:54,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:54,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1008826772, now seen corresponding path program 1 times [2019-10-13 21:20:54,039 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:54,039 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093005027] [2019-10-13 21:20:54,039 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,040 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:54,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:54,153 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093005027] [2019-10-13 21:20:54,154 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:54,155 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:54,155 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120200045] [2019-10-13 21:20:54,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:54,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:54,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:54,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:54,157 INFO L87 Difference]: Start difference. First operand 414 states and 472 transitions. Second operand 7 states. [2019-10-13 21:20:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:54,801 INFO L93 Difference]: Finished difference Result 831 states and 972 transitions. [2019-10-13 21:20:54,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:54,802 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2019-10-13 21:20:54,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:54,806 INFO L225 Difference]: With dead ends: 831 [2019-10-13 21:20:54,806 INFO L226 Difference]: Without dead ends: 445 [2019-10-13 21:20:54,808 INFO L600 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 [2019-10-13 21:20:54,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-13 21:20:54,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 413. [2019-10-13 21:20:54,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-13 21:20:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 469 transitions. [2019-10-13 21:20:54,850 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 469 transitions. Word has length 93 [2019-10-13 21:20:54,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:54,853 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 469 transitions. [2019-10-13 21:20:54,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 469 transitions. [2019-10-13 21:20:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 21:20:54,855 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:54,855 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:54,856 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:54,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:54,856 INFO L82 PathProgramCache]: Analyzing trace with hash 390870795, now seen corresponding path program 1 times [2019-10-13 21:20:54,856 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:54,857 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391287840] [2019-10-13 21:20:54,857 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,857 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:54,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:54,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:54,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391287840] [2019-10-13 21:20:54,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:54,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:54,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146808329] [2019-10-13 21:20:54,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:54,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:54,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:54,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:54,930 INFO L87 Difference]: Start difference. First operand 413 states and 469 transitions. Second operand 6 states. [2019-10-13 21:20:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:54,978 INFO L93 Difference]: Finished difference Result 808 states and 932 transitions. [2019-10-13 21:20:54,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:54,979 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2019-10-13 21:20:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:54,984 INFO L225 Difference]: With dead ends: 808 [2019-10-13 21:20:54,984 INFO L226 Difference]: Without dead ends: 423 [2019-10-13 21:20:54,986 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:54,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-13 21:20:55,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2019-10-13 21:20:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2019-10-13 21:20:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 479 transitions. [2019-10-13 21:20:55,022 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 479 transitions. Word has length 94 [2019-10-13 21:20:55,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:55,022 INFO L462 AbstractCegarLoop]: Abstraction has 423 states and 479 transitions. [2019-10-13 21:20:55,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:55,023 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 479 transitions. [2019-10-13 21:20:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 21:20:55,027 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:55,029 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:55,029 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:55,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:55,029 INFO L82 PathProgramCache]: Analyzing trace with hash 318484237, now seen corresponding path program 1 times [2019-10-13 21:20:55,030 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:55,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706106373] [2019-10-13 21:20:55,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:55,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706106373] [2019-10-13 21:20:55,154 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:55,154 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:55,155 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626070578] [2019-10-13 21:20:55,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:55,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:55,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:55,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:55,157 INFO L87 Difference]: Start difference. First operand 423 states and 479 transitions. Second operand 8 states. [2019-10-13 21:20:55,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:55,205 INFO L93 Difference]: Finished difference Result 832 states and 968 transitions. [2019-10-13 21:20:55,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:55,205 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2019-10-13 21:20:55,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:55,208 INFO L225 Difference]: With dead ends: 832 [2019-10-13 21:20:55,209 INFO L226 Difference]: Without dead ends: 437 [2019-10-13 21:20:55,210 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:55,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-10-13 21:20:55,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2019-10-13 21:20:55,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-10-13 21:20:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 487 transitions. [2019-10-13 21:20:55,232 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 487 transitions. Word has length 94 [2019-10-13 21:20:55,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:55,233 INFO L462 AbstractCegarLoop]: Abstraction has 431 states and 487 transitions. [2019-10-13 21:20:55,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 487 transitions. [2019-10-13 21:20:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 21:20:55,236 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:55,236 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:55,236 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:55,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:55,236 INFO L82 PathProgramCache]: Analyzing trace with hash 648249998, now seen corresponding path program 1 times [2019-10-13 21:20:55,237 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:55,237 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047830296] [2019-10-13 21:20:55,237 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,237 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:55,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:55,352 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047830296] [2019-10-13 21:20:55,353 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:55,353 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:55,354 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242820796] [2019-10-13 21:20:55,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:55,354 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:55,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:55,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:55,355 INFO L87 Difference]: Start difference. First operand 431 states and 487 transitions. Second operand 4 states. [2019-10-13 21:20:55,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:55,640 INFO L93 Difference]: Finished difference Result 1306 states and 1552 transitions. [2019-10-13 21:20:55,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:55,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2019-10-13 21:20:55,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:55,646 INFO L225 Difference]: With dead ends: 1306 [2019-10-13 21:20:55,647 INFO L226 Difference]: Without dead ends: 903 [2019-10-13 21:20:55,648 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:55,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2019-10-13 21:20:55,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 573. [2019-10-13 21:20:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2019-10-13 21:20:55,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 642 transitions. [2019-10-13 21:20:55,696 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 642 transitions. Word has length 94 [2019-10-13 21:20:55,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:55,696 INFO L462 AbstractCegarLoop]: Abstraction has 573 states and 642 transitions. [2019-10-13 21:20:55,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:55,697 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 642 transitions. [2019-10-13 21:20:55,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:20:55,699 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:55,699 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:55,699 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:55,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:55,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1149612728, now seen corresponding path program 1 times [2019-10-13 21:20:55,700 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:55,700 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125852096] [2019-10-13 21:20:55,700 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,701 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:55,768 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125852096] [2019-10-13 21:20:55,768 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:55,768 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:55,769 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672604355] [2019-10-13 21:20:55,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:55,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:55,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:55,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:55,770 INFO L87 Difference]: Start difference. First operand 573 states and 642 transitions. Second operand 3 states. [2019-10-13 21:20:55,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:55,827 INFO L93 Difference]: Finished difference Result 898 states and 1022 transitions. [2019-10-13 21:20:55,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:55,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2019-10-13 21:20:55,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:55,833 INFO L225 Difference]: With dead ends: 898 [2019-10-13 21:20:55,833 INFO L226 Difference]: Without dead ends: 895 [2019-10-13 21:20:55,834 INFO L600 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 [2019-10-13 21:20:55,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2019-10-13 21:20:55,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 741. [2019-10-13 21:20:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2019-10-13 21:20:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 841 transitions. [2019-10-13 21:20:55,881 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 841 transitions. Word has length 98 [2019-10-13 21:20:55,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:55,882 INFO L462 AbstractCegarLoop]: Abstraction has 741 states and 841 transitions. [2019-10-13 21:20:55,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:55,882 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 841 transitions. [2019-10-13 21:20:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-13 21:20:55,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:55,887 INFO L380 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, 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] [2019-10-13 21:20:55,887 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:55,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:55,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1054262603, now seen corresponding path program 1 times [2019-10-13 21:20:55,888 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:55,888 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753358767] [2019-10-13 21:20:55,888 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,889 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:55,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:56,004 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:56,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753358767] [2019-10-13 21:20:56,005 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351480021] [2019-10-13 21:20:56,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:56,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:20:56,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:56,412 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:56,412 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:56,671 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:56,671 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-10-13 21:20:56,672 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012449137] [2019-10-13 21:20:56,672 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:56,672 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:56,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:56,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:56,673 INFO L87 Difference]: Start difference. First operand 741 states and 841 transitions. Second operand 3 states. [2019-10-13 21:20:56,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:56,750 INFO L93 Difference]: Finished difference Result 1249 states and 1428 transitions. [2019-10-13 21:20:56,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:56,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-13 21:20:56,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:56,755 INFO L225 Difference]: With dead ends: 1249 [2019-10-13 21:20:56,755 INFO L226 Difference]: Without dead ends: 674 [2019-10-13 21:20:56,756 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:56,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2019-10-13 21:20:56,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 674. [2019-10-13 21:20:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2019-10-13 21:20:56,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 755 transitions. [2019-10-13 21:20:56,800 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 755 transitions. Word has length 162 [2019-10-13 21:20:56,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:56,800 INFO L462 AbstractCegarLoop]: Abstraction has 674 states and 755 transitions. [2019-10-13 21:20:56,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 755 transitions. [2019-10-13 21:20:56,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-13 21:20:56,804 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:56,804 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:57,010 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:57,010 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:57,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:57,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1330390775, now seen corresponding path program 1 times [2019-10-13 21:20:57,011 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:57,011 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413791969] [2019-10-13 21:20:57,011 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:57,012 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:57,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:20:57,170 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413791969] [2019-10-13 21:20:57,170 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557767018] [2019-10-13 21:20:57,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:57,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-13 21:20:57,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:57,481 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:20:57,812 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:57,812 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-10-13 21:20:57,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850525214] [2019-10-13 21:20:57,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:57,813 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:57,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:57,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:57,814 INFO L87 Difference]: Start difference. First operand 674 states and 755 transitions. Second operand 5 states. [2019-10-13 21:20:58,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:58,645 INFO L93 Difference]: Finished difference Result 1720 states and 2085 transitions. [2019-10-13 21:20:58,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:58,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 175 [2019-10-13 21:20:58,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:58,655 INFO L225 Difference]: With dead ends: 1720 [2019-10-13 21:20:58,655 INFO L226 Difference]: Without dead ends: 1212 [2019-10-13 21:20:58,661 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:20:58,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2019-10-13 21:20:58,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1118. [2019-10-13 21:20:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1118 states. [2019-10-13 21:20:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 1118 states and 1288 transitions. [2019-10-13 21:20:58,757 INFO L78 Accepts]: Start accepts. Automaton has 1118 states and 1288 transitions. Word has length 175 [2019-10-13 21:20:58,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:58,758 INFO L462 AbstractCegarLoop]: Abstraction has 1118 states and 1288 transitions. [2019-10-13 21:20:58,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1288 transitions. [2019-10-13 21:20:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-13 21:20:58,762 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:58,763 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:58,967 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:58,968 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:58,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:58,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1747787381, now seen corresponding path program 1 times [2019-10-13 21:20:58,969 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:58,969 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790004983] [2019-10-13 21:20:58,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:58,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:58,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:59,136 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 21:20:59,136 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790004983] [2019-10-13 21:20:59,137 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921500733] [2019-10-13 21:20:59,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:59,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:59,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:59,594 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-13 21:20:59,594 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:00,104 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 21:21:00,104 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:00,104 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:21:00,105 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041279880] [2019-10-13 21:21:00,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:00,106 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:00,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:00,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:21:00,107 INFO L87 Difference]: Start difference. First operand 1118 states and 1288 transitions. Second operand 8 states. [2019-10-13 21:21:00,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:00,470 INFO L93 Difference]: Finished difference Result 1951 states and 2255 transitions. [2019-10-13 21:21:00,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:00,471 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2019-10-13 21:21:00,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:00,472 INFO L225 Difference]: With dead ends: 1951 [2019-10-13 21:21:00,472 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:00,476 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:21:00,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:00,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:00,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:00,477 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2019-10-13 21:21:00,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:00,478 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:00,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:00,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:00,690 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:00,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:01,785 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-10-13 21:21:02,005 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 29 [2019-10-13 21:21:02,546 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 50 [2019-10-13 21:21:02,880 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2019-10-13 21:21:03,082 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2019-10-13 21:21:03,343 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2019-10-13 21:21:03,509 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-10-13 21:21:03,791 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 33 [2019-10-13 21:21:04,059 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2019-10-13 21:21:04,268 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2019-10-13 21:21:04,612 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2019-10-13 21:21:04,814 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2019-10-13 21:21:05,027 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 33 [2019-10-13 21:21:05,214 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2019-10-13 21:21:05,427 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2019-10-13 21:21:05,532 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2019-10-13 21:21:05,699 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-10-13 21:21:05,935 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2019-10-13 21:21:06,157 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2019-10-13 21:21:06,653 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 47 [2019-10-13 21:21:06,901 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 30 [2019-10-13 21:21:07,082 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2019-10-13 21:21:07,332 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2019-10-13 21:21:07,521 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2019-10-13 21:21:07,762 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-10-13 21:21:08,018 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2019-10-13 21:21:08,195 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2019-10-13 21:21:08,470 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-10-13 21:21:08,620 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2019-10-13 21:21:08,882 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2019-10-13 21:21:09,089 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-13 21:21:09,261 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2019-10-13 21:21:09,469 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2019-10-13 21:21:09,676 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2019-10-13 21:21:09,679 INFO L443 ceAbstractionStarter]: For program point L287(lines 264 288) no Hoare annotation was computed. [2019-10-13 21:21:09,679 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 240 295) no Hoare annotation was computed. [2019-10-13 21:21:09,679 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 275) no Hoare annotation was computed. [2019-10-13 21:21:09,680 INFO L443 ceAbstractionStarter]: For program point L271-1(lines 271 275) no Hoare annotation was computed. [2019-10-13 21:21:09,680 INFO L443 ceAbstractionStarter]: For program point L266(line 266) no Hoare annotation was computed. [2019-10-13 21:21:09,680 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 286) no Hoare annotation was computed. [2019-10-13 21:21:09,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 240 295) no Hoare annotation was computed. [2019-10-13 21:21:09,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 240 295) no Hoare annotation was computed. [2019-10-13 21:21:09,681 INFO L443 ceAbstractionStarter]: For program point L322-2(lines 322 347) no Hoare annotation was computed. [2019-10-13 21:21:09,681 INFO L443 ceAbstractionStarter]: For program point L348(lines 321 349) no Hoare annotation was computed. [2019-10-13 21:21:09,681 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 296 355) no Hoare annotation was computed. [2019-10-13 21:21:09,681 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-10-13 21:21:09,681 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-10-13 21:21:09,681 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 296 355) no Hoare annotation was computed. [2019-10-13 21:21:09,681 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 296 355) no Hoare annotation was computed. [2019-10-13 21:21:09,682 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-10-13 21:21:09,682 INFO L443 ceAbstractionStarter]: For program point L328-1(lines 328 332) no Hoare annotation was computed. [2019-10-13 21:21:09,682 INFO L443 ceAbstractionStarter]: For program point L323(line 323) no Hoare annotation was computed. [2019-10-13 21:21:09,682 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 981 987) the Hoare annotation is: true [2019-10-13 21:21:09,682 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 981 987) no Hoare annotation was computed. [2019-10-13 21:21:09,683 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 988 996) no Hoare annotation was computed. [2019-10-13 21:21:09,683 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 988 996) the Hoare annotation is: true [2019-10-13 21:21:09,683 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 988 996) no Hoare annotation was computed. [2019-10-13 21:21:09,684 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,684 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,684 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,684 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,684 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-10-13 21:21:09,684 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2019-10-13 21:21:09,685 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,685 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,685 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-10-13 21:21:09,685 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-10-13 21:21:09,685 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-13 21:21:09,685 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:09,686 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 21:21:09,686 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:09,686 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 21:21:09,686 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:09,686 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 21:21:09,686 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 21:21:09,686 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 21:21:09,686 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 21:21:09,687 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 21:21:09,687 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 21:21:09,687 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 21:21:09,687 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 21:21:09,687 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 21:21:09,687 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 21:21:09,688 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 21:21:09,688 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 21:21:09,688 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 767 775) no Hoare annotation was computed. [2019-10-13 21:21:09,688 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 767 775) the Hoare annotation is: true [2019-10-13 21:21:09,688 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 767 775) no Hoare annotation was computed. [2019-10-13 21:21:09,688 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 831 849) the Hoare annotation is: true [2019-10-13 21:21:09,690 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 844) no Hoare annotation was computed. [2019-10-13 21:21:09,690 INFO L446 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: true [2019-10-13 21:21:09,690 INFO L443 ceAbstractionStarter]: For program point L840-2(lines 840 844) no Hoare annotation was computed. [2019-10-13 21:21:09,690 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 831 849) no Hoare annotation was computed. [2019-10-13 21:21:09,690 INFO L443 ceAbstractionStarter]: For program point L838-1(line 838) no Hoare annotation was computed. [2019-10-13 21:21:09,690 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 831 849) no Hoare annotation was computed. [2019-10-13 21:21:09,690 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 803) no Hoare annotation was computed. [2019-10-13 21:21:09,691 INFO L443 ceAbstractionStarter]: For program point L795-2(lines 795 803) no Hoare annotation was computed. [2019-10-13 21:21:09,691 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 791) no Hoare annotation was computed. [2019-10-13 21:21:09,691 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 776 811) no Hoare annotation was computed. [2019-10-13 21:21:09,691 INFO L443 ceAbstractionStarter]: For program point L783-2(lines 783 791) no Hoare annotation was computed. [2019-10-13 21:21:09,691 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 776 811) no Hoare annotation was computed. [2019-10-13 21:21:09,691 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-10-13 21:21:09,691 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-10-13 21:21:09,691 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 776 811) no Hoare annotation was computed. [2019-10-13 21:21:09,691 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 974 980) no Hoare annotation was computed. [2019-10-13 21:21:09,692 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 974 980) the Hoare annotation is: true [2019-10-13 21:21:09,692 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 194 239) no Hoare annotation was computed. [2019-10-13 21:21:09,693 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 194 239) no Hoare annotation was computed. [2019-10-13 21:21:09,693 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 194 239) no Hoare annotation was computed. [2019-10-13 21:21:09,693 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 507 552) no Hoare annotation was computed. [2019-10-13 21:21:09,693 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 534) no Hoare annotation was computed. [2019-10-13 21:21:09,693 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 507 552) no Hoare annotation was computed. [2019-10-13 21:21:09,693 INFO L443 ceAbstractionStarter]: For program point L521(lines 521 541) no Hoare annotation was computed. [2019-10-13 21:21:09,694 INFO L443 ceAbstractionStarter]: For program point L521-1(lines 521 541) no Hoare annotation was computed. [2019-10-13 21:21:09,694 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 507 552) no Hoare annotation was computed. [2019-10-13 21:21:09,694 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,694 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,694 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-10-13 21:21:09,694 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-10-13 21:21:09,694 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 756 766) the Hoare annotation is: true [2019-10-13 21:21:09,695 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 756 766) no Hoare annotation was computed. [2019-10-13 21:21:09,695 INFO L446 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2019-10-13 21:21:09,695 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-10-13 21:21:09,696 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 756 766) no Hoare annotation was computed. [2019-10-13 21:21:09,696 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 748 755) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2019-10-13 21:21:09,696 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 748 755) no Hoare annotation was computed. [2019-10-13 21:21:09,696 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 748 755) no Hoare annotation was computed. [2019-10-13 21:21:09,696 INFO L443 ceAbstractionStarter]: For program point L943(lines 943 949) no Hoare annotation was computed. [2019-10-13 21:21:09,696 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 939 952) no Hoare annotation was computed. [2019-10-13 21:21:09,696 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 939 952) the Hoare annotation is: true [2019-10-13 21:21:09,697 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 939 952) no Hoare annotation was computed. [2019-10-13 21:21:09,697 INFO L439 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= ~pumpRunning~0 0))) (and (or .cse0 (or .cse1 .cse2)) (or .cse0 .cse3 .cse1) (or .cse4 (or .cse5 .cse1 .cse2)) (or .cse3 (or .cse5 .cse1) (not (= ~methAndRunningLastTime~0 0)) .cse4))) [2019-10-13 21:21:09,697 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2019-10-13 21:21:09,697 INFO L439 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2) (or .cse4 (or .cse2 .cse3) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:09,697 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 715 739) no Hoare annotation was computed. [2019-10-13 21:21:09,698 INFO L439 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3) .cse5) (or .cse4 .cse0 (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8)) .cse2))) [2019-10-13 21:21:09,698 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 715 739) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (or .cse3 .cse4) .cse0) (or .cse5 (or .cse6 .cse3 .cse4)) (or .cse2 (or .cse6 .cse3) (not (= ~methAndRunningLastTime~0 0)) .cse5))) [2019-10-13 21:21:09,698 INFO L443 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2019-10-13 21:21:09,698 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse2) (or .cse5 (or .cse2 .cse3) .cse4))) [2019-10-13 21:21:09,698 INFO L443 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2019-10-13 21:21:09,698 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2019-10-13 21:21:09,699 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 655 661) no Hoare annotation was computed. [2019-10-13 21:21:09,699 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 655 661) the Hoare annotation is: true [2019-10-13 21:21:09,699 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 555 620) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,699 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2019-10-13 21:21:09,699 INFO L439 ceAbstractionStarter]: At program point L603-2(lines 595 608) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4) (and (and .cse0 .cse2 .cse3 .cse5) .cse6) (and (and (and .cse0 .cse3 .cse5) .cse6) .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,699 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2019-10-13 21:21:09,700 INFO L443 ceAbstractionStarter]: For program point L566(lines 565 612) no Hoare annotation was computed. [2019-10-13 21:21:09,700 INFO L439 ceAbstractionStarter]: At program point L597(line 597) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4) (and (and .cse0 .cse2 .cse3 .cse5) .cse6) (and (and (and .cse0 .cse3 .cse5) .cse6) .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,700 INFO L443 ceAbstractionStarter]: For program point L595(lines 595 608) no Hoare annotation was computed. [2019-10-13 21:21:09,700 INFO L439 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (and .cse0 .cse4 .cse2 .cse5) .cse6) (and (and (and .cse0 .cse2 .cse5) .cse6) .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,700 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 591) no Hoare annotation was computed. [2019-10-13 21:21:09,700 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2019-10-13 21:21:09,701 INFO L439 ceAbstractionStarter]: At program point L610(lines 565 612) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (and .cse0 .cse4 .cse2 .cse5) .cse6) (and (and (and .cse0 .cse2 .cse5) .cse6) .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,701 INFO L439 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (and .cse0 .cse4 .cse2 .cse5) .cse6) (and (and (and .cse0 .cse2 .cse5) .cse6) .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2 .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:09,701 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-10-13 21:21:09,701 INFO L443 ceAbstractionStarter]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2019-10-13 21:21:09,701 INFO L443 ceAbstractionStarter]: For program point L567(lines 567 571) no Hoare annotation was computed. [2019-10-13 21:21:09,701 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(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:09,701 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2019-10-13 21:21:09,702 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 488) no Hoare annotation was computed. [2019-10-13 21:21:09,702 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 495) no Hoare annotation was computed. [2019-10-13 21:21:09,702 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 475 495) no Hoare annotation was computed. [2019-10-13 21:21:09,702 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 461 506) no Hoare annotation was computed. [2019-10-13 21:21:09,702 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 461 506) no Hoare annotation was computed. [2019-10-13 21:21:09,702 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 461 506) no Hoare annotation was computed. [2019-10-13 21:21:09,702 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 953 961) no Hoare annotation was computed. [2019-10-13 21:21:09,702 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 953 961) the Hoare annotation is: true [2019-10-13 21:21:09,702 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 953 961) no Hoare annotation was computed. [2019-10-13 21:21:09,703 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 158 186) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 (not (<= 1 ~pumpRunning~0)) .cse5 (not (<= 2 ~waterLevel~0)) .cse2 .cse4))) [2019-10-13 21:21:09,703 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse0 (not (<= 2 ~waterLevel~0)) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 .cse2 .cse4) (or .cse3 (or .cse2 .cse4)))) [2019-10-13 21:21:09,703 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2019-10-13 21:21:09,703 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 180) no Hoare annotation was computed. [2019-10-13 21:21:09,703 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3 .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse6 .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse6 (or .cse2 .cse5)))) [2019-10-13 21:21:09,703 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-10-13 21:21:09,703 INFO L443 ceAbstractionStarter]: For program point L166(lines 166 183) no Hoare annotation was computed. [2019-10-13 21:21:09,704 INFO L443 ceAbstractionStarter]: For program point L166-1(lines 158 186) no Hoare annotation was computed. [2019-10-13 21:21:09,704 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse1 (not (<= 1 ~pumpRunning~0)) .cse5 (not (<= 2 ~waterLevel~0)) .cse2 .cse4))) [2019-10-13 21:21:09,704 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 158 186) no Hoare annotation was computed. [2019-10-13 21:21:09,704 INFO L443 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2019-10-13 21:21:09,704 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 150 157) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:21:09,704 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 150 157) no Hoare annotation was computed. [2019-10-13 21:21:09,704 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 150 157) no Hoare annotation was computed. [2019-10-13 21:21:09,704 INFO L443 ceAbstractionStarter]: For program point L915-2(lines 915 923) no Hoare annotation was computed. [2019-10-13 21:21:09,705 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 907 929) no Hoare annotation was computed. [2019-10-13 21:21:09,705 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 907 929) no Hoare annotation was computed. [2019-10-13 21:21:09,705 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 907 929) no Hoare annotation was computed. [2019-10-13 21:21:09,705 INFO L443 ceAbstractionStarter]: For program point L915(lines 915 923) no Hoare annotation was computed. [2019-10-13 21:21:09,705 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 358 460) no Hoare annotation was computed. [2019-10-13 21:21:09,705 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-10-13 21:21:09,705 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 457) no Hoare annotation was computed. [2019-10-13 21:21:09,705 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-13 21:21:09,705 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 427) no Hoare annotation was computed. [2019-10-13 21:21:09,706 INFO L443 ceAbstractionStarter]: For program point L428(lines 406 429) no Hoare annotation was computed. [2019-10-13 21:21:09,706 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 358 460) no Hoare annotation was computed. [2019-10-13 21:21:09,706 INFO L443 ceAbstractionStarter]: For program point L387(lines 387 403) no Hoare annotation was computed. [2019-10-13 21:21:09,706 INFO L443 ceAbstractionStarter]: For program point L447(lines 447 454) no Hoare annotation was computed. [2019-10-13 21:21:09,706 INFO L443 ceAbstractionStarter]: For program point L408(lines 407 427) no Hoare annotation was computed. [2019-10-13 21:21:09,706 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-13 21:21:09,706 INFO L443 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2019-10-13 21:21:09,706 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 445) no Hoare annotation was computed. [2019-10-13 21:21:09,707 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 358 460) no Hoare annotation was computed. [2019-10-13 21:21:09,707 INFO L443 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-10-13 21:21:09,707 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-13 21:21:09,707 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 964 973) no Hoare annotation was computed. [2019-10-13 21:21:09,708 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 964 973) no Hoare annotation was computed. [2019-10-13 21:21:09,708 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 964 973) no Hoare annotation was computed. [2019-10-13 21:21:09,708 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,708 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:21:09,708 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,708 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 740 747) no Hoare annotation was computed. [2019-10-13 21:21:09,708 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 740 747) no Hoare annotation was computed. [2019-10-13 21:21:09,708 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 740 747) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 21:21:09,709 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 812 830) no Hoare annotation was computed. [2019-10-13 21:21:09,709 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 812 830) the Hoare annotation is: true [2019-10-13 21:21:09,709 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2019-10-13 21:21:09,709 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 812 830) no Hoare annotation was computed. [2019-10-13 21:21:09,709 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-10-13 21:21:09,709 INFO L443 ceAbstractionStarter]: For program point L821-2(lines 821 825) no Hoare annotation was computed. [2019-10-13 21:21:09,709 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-13 21:21:09,710 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 930 938) no Hoare annotation was computed. [2019-10-13 21:21:09,710 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 930 938) no Hoare annotation was computed. [2019-10-13 21:21:09,710 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 930 938) no Hoare annotation was computed. [2019-10-13 21:21:09,711 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 886 897) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (<= 1 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse7 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse5 .cse0 (or .cse2 .cse3) .cse4) (or .cse6 (or .cse1 .cse2) .cse4 .cse7))) [2019-10-13 21:21:09,711 INFO L443 ceAbstractionStarter]: For program point L890-1(lines 886 897) no Hoare annotation was computed. [2019-10-13 21:21:09,711 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 886 897) no Hoare annotation was computed. [2019-10-13 21:21:09,711 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,711 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,711 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,711 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse2 .cse3)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (and .cse2 (= 0 ~methAndRunningLastTime~0) .cse3) .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (or .cse4 .cse7) .cse6) (or .cse1 (or .cse8 .cse4) .cse5) (or (or .cse8 .cse4 .cse7) .cse5)))) [2019-10-13 21:21:09,711 INFO L443 ceAbstractionStarter]: For program point L635(lines 634 653) no Hoare annotation was computed. [2019-10-13 21:21:09,712 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 631 654) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 0) .cse9 .cse10)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse8 .cse10)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (= 1 ~waterLevel~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse7 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse6 (and .cse8 .cse9 .cse10) .cse2 .cse4) (or .cse1 .cse11 .cse2 .cse12 .cse4 .cse3) (or .cse6 (or .cse1 .cse2) .cse4 .cse0) (or .cse5 (or .cse2 .cse3) .cse7) (or .cse6 .cse1 .cse2 .cse12 .cse4 .cse11)))) [2019-10-13 21:21:09,712 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 631 654) no Hoare annotation was computed. [2019-10-13 21:21:09,712 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 631 654) no Hoare annotation was computed. [2019-10-13 21:21:09,712 INFO L439 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (= 1 ~waterLevel~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse2 .cse0 .cse1 .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (or .cse4 .cse6) .cse2) (or (and .cse7 .cse8) (or .cse9 .cse4 .cse6) .cse5) (or .cse1 (or .cse9 .cse4) .cse5 (and .cse7 .cse3 .cse8)) (or .cse1 .cse9 .cse4 .cse10 .cse5 .cse11) (or .cse9 (and .cse11 .cse3) .cse4 .cse10 .cse5 .cse6))) [2019-10-13 21:21:09,712 INFO L439 ceAbstractionStarter]: At program point L642(lines 642 648) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse15 (<= 1 ~methaneLevelCritical~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (= 0 ~methAndRunningLastTime~0))) (let ((.cse13 (and (= 1 ~waterLevel~0) .cse14)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (and .cse9 .cse3)) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not .cse15)) (.cse11 (and .cse4 .cse15 .cse9)) (.cse5 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) .cse7) (or .cse8 .cse9 (or .cse5 .cse6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse8 .cse10 .cse11 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse10 .cse4 .cse5 .cse12 .cse7 .cse13) (or .cse4 .cse13 .cse5 .cse12 .cse7 .cse6) (or .cse10 (or .cse4 .cse5) (and .cse1 .cse2 .cse14 .cse3) .cse7 .cse0) (or .cse8 .cse10 .cse11 .cse5 .cse7)))) [2019-10-13 21:21:09,713 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 21:21:09,713 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 21:21:09,713 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 21:21:09,713 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 21:21:09,713 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 21:21:09,713 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-13 21:21:09,713 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 21:21:09,713 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 21:21:09,714 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 21:21:09,714 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 21:21:09,715 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 898 906) the Hoare annotation is: true [2019-10-13 21:21:09,715 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 898 906) no Hoare annotation was computed. [2019-10-13 21:21:09,715 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 898 906) no Hoare annotation was computed. [2019-10-13 21:21:09,715 INFO L443 ceAbstractionStarter]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2019-10-13 21:21:09,715 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 862 873) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (or .cse4 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3) (or .cse0 (or .cse4 (not (= ~methaneLevelCritical~0 0))) .cse2) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0)))))) [2019-10-13 21:21:09,715 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 862 873) no Hoare annotation was computed. [2019-10-13 21:21:09,715 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 21:21:09,715 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 21:21:09,716 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,716 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-13 21:21:09,716 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:09,716 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:09,716 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2019-10-13 21:21:09,716 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or .cse4 (or .cse1 .cse2 .cse5) .cse3) (or .cse6 (or .cse2 .cse5) .cse4) (or .cse6 .cse0 .cse4 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse6 .cse0 .cse4 .cse2 .cse3))) [2019-10-13 21:21:09,716 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2019-10-13 21:21:09,717 INFO L439 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-10-13 21:21:09,717 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 663 687) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse0 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse2 (or .cse3 .cse0 .cse1)) (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse3 .cse0) (not (= ~methAndRunningLastTime~0 0)) .cse2))) [2019-10-13 21:21:09,717 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 679) no Hoare annotation was computed. [2019-10-13 21:21:09,717 INFO L439 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse0 .cse1)) (or .cse2 (or .cse3 .cse0 .cse1)) (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse3 .cse0) (not (= ~methAndRunningLastTime~0 0)) .cse2))) [2019-10-13 21:21:09,717 INFO L443 ceAbstractionStarter]: For program point L669-1(line 669) no Hoare annotation was computed. [2019-10-13 21:21:09,717 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 663 687) no Hoare annotation was computed. [2019-10-13 21:21:09,717 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 684) no Hoare annotation was computed. [2019-10-13 21:21:09,718 INFO L439 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:09,718 INFO L443 ceAbstractionStarter]: For program point L682-1(lines 663 687) no Hoare annotation was computed. [2019-10-13 21:21:09,718 INFO L439 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~pumpRunning~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse2 .cse3)))) [2019-10-13 21:21:09,718 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 874 885) no Hoare annotation was computed. [2019-10-13 21:21:09,718 INFO L443 ceAbstractionStarter]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2019-10-13 21:21:09,718 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 874 885) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse6 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3 .cse6) (or .cse7 .cse0 .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse7 .cse4 (or .cse2 .cse8) .cse3) (or .cse1 .cse6 .cse2 .cse5 .cse3 .cse8) (or .cse4 (or .cse1 .cse2 .cse8) .cse3))) [2019-10-13 21:21:09,718 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 998 1005) no Hoare annotation was computed. [2019-10-13 21:21:09,719 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 998 1005) the Hoare annotation is: true [2019-10-13 21:21:09,719 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2019-10-13 21:21:09,719 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 998 1005) no Hoare annotation was computed. [2019-10-13 21:21:09,719 INFO L439 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:09,719 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 689 713) no Hoare annotation was computed. [2019-10-13 21:21:09,719 INFO L439 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:09,720 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 689 713) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse0 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or .cse2 (or .cse3 .cse0 .cse1)) (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse3 .cse0) (not (= ~methAndRunningLastTime~0 0)) .cse2))) [2019-10-13 21:21:09,720 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 705) no Hoare annotation was computed. [2019-10-13 21:21:09,720 INFO L439 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:21:09,720 INFO L443 ceAbstractionStarter]: For program point L695-1(line 695) no Hoare annotation was computed. [2019-10-13 21:21:09,720 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 710) no Hoare annotation was computed. [2019-10-13 21:21:09,720 INFO L439 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (or .cse0 .cse1)) (or .cse2 (or .cse3 .cse0 .cse1)) (or (not (<= 1 ~methaneLevelCritical~0)) (or .cse3 .cse0) (not (= ~methAndRunningLastTime~0 0)) .cse2))) [2019-10-13 21:21:09,720 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2019-10-13 21:21:09,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:09 BoogieIcfgContainer [2019-10-13 21:21:09,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:09,760 INFO L168 Benchmark]: Toolchain (without parser) took 20424.23 ms. Allocated memory was 137.9 MB in the beginning and 520.6 MB in the end (delta: 382.7 MB). Free memory was 100.3 MB in the beginning and 90.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 398.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,761 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.91 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.1 MB in the beginning and 170.5 MB in the end (delta: -70.4 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,763 INFO L168 Benchmark]: Boogie Preprocessor took 97.15 ms. Allocated memory is still 202.9 MB. Free memory was 170.5 MB in the beginning and 166.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,763 INFO L168 Benchmark]: RCFGBuilder took 1276.34 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 166.3 MB in the beginning and 193.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,771 INFO L168 Benchmark]: TraceAbstraction took 18272.03 ms. Allocated memory was 234.4 MB in the beginning and 520.6 MB in the end (delta: 286.3 MB). Free memory was 193.9 MB in the beginning and 90.7 MB in the end (delta: 103.2 MB). Peak memory consumption was 395.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:09,777 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.91 ms. Allocated memory was 137.9 MB in the beginning and 202.9 MB in the end (delta: 65.0 MB). Free memory was 100.1 MB in the beginning and 170.5 MB in the end (delta: -70.4 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.15 ms. Allocated memory is still 202.9 MB. Free memory was 170.5 MB in the beginning and 166.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1276.34 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 166.3 MB in the beginning and 193.9 MB in the end (delta: -27.7 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18272.03 ms. Allocated memory was 234.4 MB in the beginning and 520.6 MB in the end (delta: 286.3 MB). Free memory was 193.9 MB in the beginning and 90.7 MB in the end (delta: 103.2 MB). Peak memory consumption was 395.8 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) && 2 <= waterLevel) && 0 == splverifierCounter) && 1 <= methaneLevelCritical) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 1 <= methaneLevelCritical)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || ((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\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(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 254 locations, 1 error locations. Result: SAFE, OverallTime: 18.1s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, HoareTripleCheckerStatistics: 2550 SDtfs, 1328 SDslu, 4699 SDs, 0 SdLazy, 1911 SolverSat, 378 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1154 GetRequests, 1062 SyntacticMatches, 7 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1118occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 641 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2195 PreInvPairs, 2295 NumberOfFragments, 3171 HoareAnnotationTreeSize, 2195 FomulaSimplifications, 12351 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 20753 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1821 NumberOfCodeBlocks, 1821 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2314 ConstructedInterpolants, 0 QuantifiedInterpolants, 511051 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2900 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 424/456 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...