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_spec4_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:11,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:11,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:11,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:11,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:11,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:11,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:11,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:11,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:11,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:11,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:11,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:11,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:11,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:11,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:11,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:11,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:11,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:11,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:11,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:11,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:11,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:11,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:11,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:11,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:11,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:11,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:11,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:11,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:11,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:11,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:11,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:11,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:11,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:11,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:11,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:11,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:11,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:11,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:11,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:11,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:11,214 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 21:22:11,245 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:11,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:11,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:11,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:11,248 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:11,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:11,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:11,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:11,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:11,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:11,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:11,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:11,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:11,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:11,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:11,252 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:11,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:11,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:11,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:11,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:11,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:11,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:11,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:11,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:11,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:11,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:11,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:11,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:11,255 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 21:22:11,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:11,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:11,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:11,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:11,582 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:11,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product64.cil.c [2019-10-13 21:22:11,654 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba310ed5/020335dc20984f20898019394acea6e0/FLAG1373926b2 [2019-10-13 21:22:12,166 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:12,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product64.cil.c [2019-10-13 21:22:12,181 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba310ed5/020335dc20984f20898019394acea6e0/FLAG1373926b2 [2019-10-13 21:22:12,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dba310ed5/020335dc20984f20898019394acea6e0 [2019-10-13 21:22:12,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:12,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:12,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:12,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:12,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:12,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:12" (1/1) ... [2019-10-13 21:22:12,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d6bfa44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:12, skipping insertion in model container [2019-10-13 21:22:12,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:12" (1/1) ... [2019-10-13 21:22:12,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:12,558 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:13,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:13,041 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:13,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:13,184 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:13,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13 WrapperNode [2019-10-13 21:22:13,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:13,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:13,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:13,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:13,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13" (1/1) ... [2019-10-13 21:22:13,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13" (1/1) ... [2019-10-13 21:22:13,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13" (1/1) ... [2019-10-13 21:22:13,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13" (1/1) ... [2019-10-13 21:22:13,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13" (1/1) ... [2019-10-13 21:22:13,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13" (1/1) ... [2019-10-13 21:22:13,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13" (1/1) ... [2019-10-13 21:22:13,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:13,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:13,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:13,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:13,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13" (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 21:22:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:13,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:13,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:13,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:13,325 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:13,325 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:13,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:13,325 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:13,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:13,327 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:13,328 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:13,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:13,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:13,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:13,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:13,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:13,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:13,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:13,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:13,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:13,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:13,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:13,330 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:13,334 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:13,335 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:13,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:13,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:13,338 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:13,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:14,420 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:14,421 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:14,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:14 BoogieIcfgContainer [2019-10-13 21:22:14,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:14,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:14,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:14,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:14,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:12" (1/3) ... [2019-10-13 21:22:14,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5482eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:14, skipping insertion in model container [2019-10-13 21:22:14,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:13" (2/3) ... [2019-10-13 21:22:14,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5482eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:14, skipping insertion in model container [2019-10-13 21:22:14,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:14" (3/3) ... [2019-10-13 21:22:14,433 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2019-10-13 21:22:14,444 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:14,454 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:14,465 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:14,497 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:14,497 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:14,497 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:14,497 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:14,498 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:14,498 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:14,498 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:14,498 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-13 21:22:14,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:22:14,546 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:14,548 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] [2019-10-13 21:22:14,552 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:14,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:14,557 INFO L82 PathProgramCache]: Analyzing trace with hash 22774911, now seen corresponding path program 1 times [2019-10-13 21:22:14,567 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:14,568 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504715906] [2019-10-13 21:22:14,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,920 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 21:22:14,921 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504715906] [2019-10-13 21:22:14,922 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:14,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:14,924 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546991877] [2019-10-13 21:22:14,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:14,934 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:14,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:14,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:14,953 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2019-10-13 21:22:15,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:15,039 INFO L93 Difference]: Finished difference Result 326 states and 403 transitions. [2019-10-13 21:22:15,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:15,041 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:22:15,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:15,067 INFO L225 Difference]: With dead ends: 326 [2019-10-13 21:22:15,067 INFO L226 Difference]: Without dead ends: 163 [2019-10-13 21:22:15,076 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 21:22:15,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2019-10-13 21:22:15,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2019-10-13 21:22:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-10-13 21:22:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2019-10-13 21:22:15,131 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 46 [2019-10-13 21:22:15,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:15,131 INFO L462 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2019-10-13 21:22:15,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2019-10-13 21:22:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:22:15,136 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:15,136 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] [2019-10-13 21:22:15,136 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:15,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:15,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1731168874, now seen corresponding path program 1 times [2019-10-13 21:22:15,137 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:15,137 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983504513] [2019-10-13 21:22:15,137 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,138 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,138 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:15,277 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 21:22:15,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983504513] [2019-10-13 21:22:15,278 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:15,278 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:15,279 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609804758] [2019-10-13 21:22:15,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:15,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:15,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:15,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:15,283 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 3 states. [2019-10-13 21:22:15,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:15,313 INFO L93 Difference]: Finished difference Result 265 states and 313 transitions. [2019-10-13 21:22:15,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:15,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:22:15,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:15,318 INFO L225 Difference]: With dead ends: 265 [2019-10-13 21:22:15,318 INFO L226 Difference]: Without dead ends: 154 [2019-10-13 21:22:15,322 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 21:22:15,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-13 21:22:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-10-13 21:22:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-13 21:22:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2019-10-13 21:22:15,348 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 47 [2019-10-13 21:22:15,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:15,349 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2019-10-13 21:22:15,349 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2019-10-13 21:22:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:22:15,351 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:15,352 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 21:22:15,352 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:15,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:15,352 INFO L82 PathProgramCache]: Analyzing trace with hash -976432514, now seen corresponding path program 1 times [2019-10-13 21:22:15,353 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:15,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415630284] [2019-10-13 21:22:15,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:15,506 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 21:22:15,506 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415630284] [2019-10-13 21:22:15,506 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:15,507 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:15,507 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725857254] [2019-10-13 21:22:15,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:15,508 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:15,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:15,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:15,508 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand 7 states. [2019-10-13 21:22:16,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:16,160 INFO L93 Difference]: Finished difference Result 464 states and 563 transitions. [2019-10-13 21:22:16,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:16,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:22:16,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:16,167 INFO L225 Difference]: With dead ends: 464 [2019-10-13 21:22:16,167 INFO L226 Difference]: Without dead ends: 334 [2019-10-13 21:22:16,172 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 21:22:16,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-10-13 21:22:16,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 322. [2019-10-13 21:22:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2019-10-13 21:22:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 390 transitions. [2019-10-13 21:22:16,229 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 390 transitions. Word has length 52 [2019-10-13 21:22:16,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:16,229 INFO L462 AbstractCegarLoop]: Abstraction has 322 states and 390 transitions. [2019-10-13 21:22:16,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 390 transitions. [2019-10-13 21:22:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:22:16,232 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:16,233 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 21:22:16,233 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:16,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1952402222, now seen corresponding path program 1 times [2019-10-13 21:22:16,234 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:16,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147286692] [2019-10-13 21:22:16,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:16,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:16,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:16,394 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 21:22:16,394 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147286692] [2019-10-13 21:22:16,395 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:16,395 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:22:16,395 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866903106] [2019-10-13 21:22:16,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:22:16,396 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:16,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:22:16,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:16,397 INFO L87 Difference]: Start difference. First operand 322 states and 390 transitions. Second operand 10 states. [2019-10-13 21:22:17,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:17,188 INFO L93 Difference]: Finished difference Result 1168 states and 1516 transitions. [2019-10-13 21:22:17,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:17,189 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-13 21:22:17,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:17,205 INFO L225 Difference]: With dead ends: 1168 [2019-10-13 21:22:17,205 INFO L226 Difference]: Without dead ends: 870 [2019-10-13 21:22:17,210 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:17,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2019-10-13 21:22:17,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 858. [2019-10-13 21:22:17,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2019-10-13 21:22:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1078 transitions. [2019-10-13 21:22:17,329 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1078 transitions. Word has length 57 [2019-10-13 21:22:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:17,330 INFO L462 AbstractCegarLoop]: Abstraction has 858 states and 1078 transitions. [2019-10-13 21:22:17,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1078 transitions. [2019-10-13 21:22:17,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:22:17,343 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:17,343 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] [2019-10-13 21:22:17,343 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:17,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:17,344 INFO L82 PathProgramCache]: Analyzing trace with hash 474058772, now seen corresponding path program 1 times [2019-10-13 21:22:17,344 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:17,345 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582968381] [2019-10-13 21:22:17,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:17,345 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:17,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:17,492 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582968381] [2019-10-13 21:22:17,492 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:17,492 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:17,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813990212] [2019-10-13 21:22:17,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:17,493 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:17,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:17,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:17,494 INFO L87 Difference]: Start difference. First operand 858 states and 1078 transitions. Second operand 4 states. [2019-10-13 21:22:17,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:17,946 INFO L93 Difference]: Finished difference Result 2155 states and 2911 transitions. [2019-10-13 21:22:17,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:22:17,947 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-13 21:22:17,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:17,957 INFO L225 Difference]: With dead ends: 2155 [2019-10-13 21:22:17,957 INFO L226 Difference]: Without dead ends: 1321 [2019-10-13 21:22:17,961 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:17,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2019-10-13 21:22:18,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 1183. [2019-10-13 21:22:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2019-10-13 21:22:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1468 transitions. [2019-10-13 21:22:18,064 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1468 transitions. Word has length 61 [2019-10-13 21:22:18,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:18,064 INFO L462 AbstractCegarLoop]: Abstraction has 1183 states and 1468 transitions. [2019-10-13 21:22:18,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:18,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1468 transitions. [2019-10-13 21:22:18,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:22:18,069 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:18,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:18,070 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:18,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:18,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1364424505, now seen corresponding path program 1 times [2019-10-13 21:22:18,071 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:18,071 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254836482] [2019-10-13 21:22:18,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:18,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:18,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:22:18,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254836482] [2019-10-13 21:22:18,237 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015195780] [2019-10-13 21:22:18,237 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 21:22:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:18,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:22:18,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:18,591 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:18,713 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:18,834 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [391072724] [2019-10-13 21:22:18,841 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-10-13 21:22:18,907 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:18,908 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:18,971 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:18,973 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:18,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:18,978 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:19,020 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:19,021 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:19,024 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-10-13 21:22:19,024 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:19,025 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:19,025 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:22:19,025 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819979676] [2019-10-13 21:22:19,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:19,026 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:19,027 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:19,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:19,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:19,027 INFO L87 Difference]: Start difference. First operand 1183 states and 1468 transitions. Second operand 2 states. [2019-10-13 21:22:19,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:19,045 INFO L93 Difference]: Finished difference Result 1183 states and 1468 transitions. [2019-10-13 21:22:19,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:19,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-10-13 21:22:19,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:19,046 INFO L225 Difference]: With dead ends: 1183 [2019-10-13 21:22:19,046 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:19,049 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 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 21:22:19,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:19,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:19,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:19,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:19,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 21:22:19,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:19,051 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:19,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:19,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:19,256 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:19,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:19,678 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 609) no Hoare annotation was computed. [2019-10-13 21:22:19,678 INFO L443 ceAbstractionStarter]: For program point L605-1(lines 605 609) no Hoare annotation was computed. [2019-10-13 21:22:19,679 INFO L443 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2019-10-13 21:22:19,679 INFO L443 ceAbstractionStarter]: For program point L599-2(lines 599 620) no Hoare annotation was computed. [2019-10-13 21:22:19,679 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 574 629) no Hoare annotation was computed. [2019-10-13 21:22:19,679 INFO L443 ceAbstractionStarter]: For program point L621(lines 598 622) no Hoare annotation was computed. [2019-10-13 21:22:19,679 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 574 629) no Hoare annotation was computed. [2019-10-13 21:22:19,679 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 574 629) no Hoare annotation was computed. [2019-10-13 21:22:19,679 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 666) no Hoare annotation was computed. [2019-10-13 21:22:19,679 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 630 689) no Hoare annotation was computed. [2019-10-13 21:22:19,680 INFO L443 ceAbstractionStarter]: For program point L662-1(lines 662 666) no Hoare annotation was computed. [2019-10-13 21:22:19,680 INFO L443 ceAbstractionStarter]: For program point L657(line 657) no Hoare annotation was computed. [2019-10-13 21:22:19,680 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 630 689) no Hoare annotation was computed. [2019-10-13 21:22:19,680 INFO L443 ceAbstractionStarter]: For program point L656-2(lines 656 681) no Hoare annotation was computed. [2019-10-13 21:22:19,681 INFO L443 ceAbstractionStarter]: For program point L682(lines 655 683) no Hoare annotation was computed. [2019-10-13 21:22:19,681 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 630 689) no Hoare annotation was computed. [2019-10-13 21:22:19,682 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-10-13 21:22:19,682 INFO L443 ceAbstractionStarter]: For program point L675-1(line 675) no Hoare annotation was computed. [2019-10-13 21:22:19,682 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1009 1015) the Hoare annotation is: true [2019-10-13 21:22:19,682 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1009 1015) no Hoare annotation was computed. [2019-10-13 21:22:19,682 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1016 1024) no Hoare annotation was computed. [2019-10-13 21:22:19,682 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1016 1024) the Hoare annotation is: true [2019-10-13 21:22:19,683 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1016 1024) no Hoare annotation was computed. [2019-10-13 21:22:19,683 INFO L446 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2019-10-13 21:22:19,683 INFO L443 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2019-10-13 21:22:19,683 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2019-10-13 21:22:19,683 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2019-10-13 21:22:19,683 INFO L446 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: true [2019-10-13 21:22:19,683 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2019-10-13 21:22:19,684 INFO L446 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: true [2019-10-13 21:22:19,684 INFO L443 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2019-10-13 21:22:19,684 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2019-10-13 21:22:19,684 INFO L443 ceAbstractionStarter]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2019-10-13 21:22:19,684 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:22:19,684 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 21:22:19,684 INFO L446 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: true [2019-10-13 21:22:19,684 INFO L446 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: true [2019-10-13 21:22:19,685 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: true [2019-10-13 21:22:19,685 INFO L446 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: true [2019-10-13 21:22:19,685 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:22:19,685 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:22:19,685 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true [2019-10-13 21:22:19,685 INFO L446 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: true [2019-10-13 21:22:19,685 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:22:19,685 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:22:19,686 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 21:22:19,686 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:22:19,686 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 21:22:19,686 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:22:19,686 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 21:22:19,686 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 21:22:19,686 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 21:22:19,686 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 21:22:19,687 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 21:22:19,687 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 21:22:19,687 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 21:22:19,687 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 21:22:19,687 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 21:22:19,687 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 21:22:19,687 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 21:22:19,687 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 21:22:19,687 INFO L446 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2019-10-13 21:22:19,688 INFO L443 ceAbstractionStarter]: For program point L339-1(lines 320 344) no Hoare annotation was computed. [2019-10-13 21:22:19,688 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 320 344) the Hoare annotation is: true [2019-10-13 21:22:19,688 INFO L446 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: true [2019-10-13 21:22:19,688 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 320 344) no Hoare annotation was computed. [2019-10-13 21:22:19,688 INFO L446 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: true [2019-10-13 21:22:19,688 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 336) no Hoare annotation was computed. [2019-10-13 21:22:19,688 INFO L446 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: true [2019-10-13 21:22:19,688 INFO L443 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2019-10-13 21:22:19,689 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 341) no Hoare annotation was computed. [2019-10-13 21:22:19,689 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2019-10-13 21:22:19,689 INFO L446 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: true [2019-10-13 21:22:19,689 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-10-13 21:22:19,689 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: true [2019-10-13 21:22:19,689 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2019-10-13 21:22:19,689 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 415 423) no Hoare annotation was computed. [2019-10-13 21:22:19,689 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 415 423) the Hoare annotation is: true [2019-10-13 21:22:19,689 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 415 423) no Hoare annotation was computed. [2019-10-13 21:22:19,690 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2019-10-13 21:22:19,690 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2019-10-13 21:22:19,690 INFO L446 ceAbstractionStarter]: At program point L486(line 486) the Hoare annotation is: true [2019-10-13 21:22:19,690 INFO L443 ceAbstractionStarter]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2019-10-13 21:22:19,690 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2019-10-13 21:22:19,690 INFO L443 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2019-10-13 21:22:19,690 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2019-10-13 21:22:19,690 INFO L443 ceAbstractionStarter]: For program point L443(lines 443 451) no Hoare annotation was computed. [2019-10-13 21:22:19,690 INFO L443 ceAbstractionStarter]: For program point L443-2(lines 443 451) no Hoare annotation was computed. [2019-10-13 21:22:19,691 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 439) no Hoare annotation was computed. [2019-10-13 21:22:19,691 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 424 459) no Hoare annotation was computed. [2019-10-13 21:22:19,691 INFO L443 ceAbstractionStarter]: For program point L431-2(lines 431 439) no Hoare annotation was computed. [2019-10-13 21:22:19,691 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 424 459) no Hoare annotation was computed. [2019-10-13 21:22:19,691 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-13 21:22:19,691 INFO L443 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2019-10-13 21:22:19,691 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 424 459) no Hoare annotation was computed. [2019-10-13 21:22:19,691 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 1002 1008) no Hoare annotation was computed. [2019-10-13 21:22:19,692 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 1002 1008) the Hoare annotation is: true [2019-10-13 21:22:19,692 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 528 573) no Hoare annotation was computed. [2019-10-13 21:22:19,692 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 528 573) no Hoare annotation was computed. [2019-10-13 21:22:19,692 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 528 573) no Hoare annotation was computed. [2019-10-13 21:22:19,692 INFO L443 ceAbstractionStarter]: For program point L861(lines 861 868) no Hoare annotation was computed. [2019-10-13 21:22:19,692 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 841 886) no Hoare annotation was computed. [2019-10-13 21:22:19,692 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 875) no Hoare annotation was computed. [2019-10-13 21:22:19,692 INFO L443 ceAbstractionStarter]: For program point L855-1(lines 855 875) no Hoare annotation was computed. [2019-10-13 21:22:19,692 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 841 886) no Hoare annotation was computed. [2019-10-13 21:22:19,693 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 841 886) no Hoare annotation was computed. [2019-10-13 21:22:19,693 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: true [2019-10-13 21:22:19,693 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:22:19,693 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:22:19,693 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 404 414) the Hoare annotation is: true [2019-10-13 21:22:19,693 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 404 414) no Hoare annotation was computed. [2019-10-13 21:22:19,693 INFO L446 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: true [2019-10-13 21:22:19,693 INFO L443 ceAbstractionStarter]: For program point L409-1(line 409) no Hoare annotation was computed. [2019-10-13 21:22:19,694 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 404 414) no Hoare annotation was computed. [2019-10-13 21:22:19,694 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 396 403) the Hoare annotation is: true [2019-10-13 21:22:19,694 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 396 403) no Hoare annotation was computed. [2019-10-13 21:22:19,694 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 396 403) no Hoare annotation was computed. [2019-10-13 21:22:19,694 INFO L443 ceAbstractionStarter]: For program point L971(lines 971 977) no Hoare annotation was computed. [2019-10-13 21:22:19,694 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 967 980) no Hoare annotation was computed. [2019-10-13 21:22:19,694 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 967 980) the Hoare annotation is: true [2019-10-13 21:22:19,694 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 967 980) no Hoare annotation was computed. [2019-10-13 21:22:19,695 INFO L446 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: true [2019-10-13 21:22:19,695 INFO L443 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2019-10-13 21:22:19,695 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 367) no Hoare annotation was computed. [2019-10-13 21:22:19,695 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 346 370) no Hoare annotation was computed. [2019-10-13 21:22:19,695 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 346 370) the Hoare annotation is: true [2019-10-13 21:22:19,695 INFO L446 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: true [2019-10-13 21:22:19,695 INFO L443 ceAbstractionStarter]: For program point L365-1(lines 346 370) no Hoare annotation was computed. [2019-10-13 21:22:19,695 INFO L446 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2019-10-13 21:22:19,696 INFO L446 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: true [2019-10-13 21:22:19,696 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 362) no Hoare annotation was computed. [2019-10-13 21:22:19,696 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2019-10-13 21:22:19,696 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2019-10-13 21:22:19,696 INFO L446 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: true [2019-10-13 21:22:19,696 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: true [2019-10-13 21:22:19,696 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2019-10-13 21:22:19,696 INFO L446 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: true [2019-10-13 21:22:19,697 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2019-10-13 21:22:19,697 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2019-10-13 21:22:19,697 INFO L443 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2019-10-13 21:22:19,697 INFO L446 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: true [2019-10-13 21:22:19,697 INFO L446 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2019-10-13 21:22:19,697 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2019-10-13 21:22:19,697 INFO L443 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2019-10-13 21:22:19,697 INFO L443 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2019-10-13 21:22:19,698 INFO L446 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: true [2019-10-13 21:22:19,698 INFO L446 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2019-10-13 21:22:19,698 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2019-10-13 21:22:19,698 INFO L446 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: true [2019-10-13 21:22:19,698 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2019-10-13 21:22:19,698 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2019-10-13 21:22:19,698 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 795 840) no Hoare annotation was computed. [2019-10-13 21:22:19,699 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 795 840) no Hoare annotation was computed. [2019-10-13 21:22:19,699 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 795 840) no Hoare annotation was computed. [2019-10-13 21:22:19,699 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 822) no Hoare annotation was computed. [2019-10-13 21:22:19,699 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 829) no Hoare annotation was computed. [2019-10-13 21:22:19,699 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 809 829) no Hoare annotation was computed. [2019-10-13 21:22:19,699 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 371 378) the Hoare annotation is: true [2019-10-13 21:22:19,699 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 371 378) no Hoare annotation was computed. [2019-10-13 21:22:19,699 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 371 378) no Hoare annotation was computed. [2019-10-13 21:22:19,699 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 981 989) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 981 989) the Hoare annotation is: true [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 981 989) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point L943(lines 943 951) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point L943-2(lines 943 951) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 935 957) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 935 957) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 935 957) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 692 794) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point L762(lines 740 763) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point L721(lines 721 737) no Hoare annotation was computed. [2019-10-13 21:22:19,700 INFO L443 ceAbstractionStarter]: For program point L781(lines 781 788) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point L742(lines 741 761) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 692 794) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point L773(line 773) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point L773-1(line 773) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 779) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point L757(line 757) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point L757-1(line 757) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 692 794) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 720) no Hoare annotation was computed. [2019-10-13 21:22:19,701 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 791) no Hoare annotation was computed. [2019-10-13 21:22:19,702 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 747) no Hoare annotation was computed. [2019-10-13 21:22:19,702 INFO L443 ceAbstractionStarter]: For program point L741-2(lines 741 761) no Hoare annotation was computed. [2019-10-13 21:22:19,702 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 992 1001) no Hoare annotation was computed. [2019-10-13 21:22:19,702 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 992 1001) no Hoare annotation was computed. [2019-10-13 21:22:19,702 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 992 1001) no Hoare annotation was computed. [2019-10-13 21:22:19,702 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:19,702 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:22:19,703 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:19,703 INFO L446 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: true [2019-10-13 21:22:19,703 INFO L443 ceAbstractionStarter]: For program point L384-1(line 384) no Hoare annotation was computed. [2019-10-13 21:22:19,703 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 379 395) no Hoare annotation was computed. [2019-10-13 21:22:19,703 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 379 395) the Hoare annotation is: true [2019-10-13 21:22:19,703 INFO L446 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: true [2019-10-13 21:22:19,703 INFO L443 ceAbstractionStarter]: For program point L390-1(lines 379 395) no Hoare annotation was computed. [2019-10-13 21:22:19,703 INFO L443 ceAbstractionStarter]: For program point L386(lines 386 392) no Hoare annotation was computed. [2019-10-13 21:22:19,704 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 958 966) the Hoare annotation is: true [2019-10-13 21:22:19,704 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 958 966) no Hoare annotation was computed. [2019-10-13 21:22:19,704 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 958 966) no Hoare annotation was computed. [2019-10-13 21:22:19,704 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 460 478) no Hoare annotation was computed. [2019-10-13 21:22:19,704 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 460 478) the Hoare annotation is: true [2019-10-13 21:22:19,704 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-13 21:22:19,704 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 460 478) no Hoare annotation was computed. [2019-10-13 21:22:19,704 INFO L446 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: true [2019-10-13 21:22:19,705 INFO L443 ceAbstractionStarter]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2019-10-13 21:22:19,705 INFO L443 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2019-10-13 21:22:19,705 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 914 925) the Hoare annotation is: true [2019-10-13 21:22:19,705 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 914 925) no Hoare annotation was computed. [2019-10-13 21:22:19,705 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2019-10-13 21:22:19,705 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:19,705 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:19,705 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:19,705 INFO L446 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: true [2019-10-13 21:22:19,706 INFO L446 ceAbstractionStarter]: At program point L273(lines 273 279) the Hoare annotation is: true [2019-10-13 21:22:19,706 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: true [2019-10-13 21:22:19,706 INFO L446 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: true [2019-10-13 21:22:19,706 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2019-10-13 21:22:19,706 INFO L443 ceAbstractionStarter]: For program point L266(lines 265 284) no Hoare annotation was computed. [2019-10-13 21:22:19,706 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2019-10-13 21:22:19,706 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 21:22:19,706 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 21:22:19,707 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 21:22:19,707 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 21:22:19,707 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 21:22:19,707 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-13 21:22:19,707 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 21:22:19,707 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 21:22:19,707 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 21:22:19,707 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 21:22:19,708 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 926 934) the Hoare annotation is: true [2019-10-13 21:22:19,708 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 926 934) no Hoare annotation was computed. [2019-10-13 21:22:19,708 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 926 934) no Hoare annotation was computed. [2019-10-13 21:22:19,708 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 890 901) the Hoare annotation is: true [2019-10-13 21:22:19,708 INFO L443 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2019-10-13 21:22:19,708 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 890 901) no Hoare annotation was computed. [2019-10-13 21:22:19,708 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 21:22:19,708 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 21:22:19,708 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:19,709 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:19,709 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:19,709 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:19,709 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 513 520) no Hoare annotation was computed. [2019-10-13 21:22:19,709 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 513 520) the Hoare annotation is: true [2019-10-13 21:22:19,709 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 513 520) no Hoare annotation was computed. [2019-10-13 21:22:19,709 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 294 318) the Hoare annotation is: true [2019-10-13 21:22:19,709 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 294 318) no Hoare annotation was computed. [2019-10-13 21:22:19,709 INFO L446 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2019-10-13 21:22:19,710 INFO L443 ceAbstractionStarter]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2019-10-13 21:22:19,710 INFO L446 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: true [2019-10-13 21:22:19,710 INFO L446 ceAbstractionStarter]: At program point L304(line 304) the Hoare annotation is: true [2019-10-13 21:22:19,710 INFO L443 ceAbstractionStarter]: For program point L302(lines 302 310) no Hoare annotation was computed. [2019-10-13 21:22:19,710 INFO L446 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: true [2019-10-13 21:22:19,710 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-13 21:22:19,710 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 315) no Hoare annotation was computed. [2019-10-13 21:22:19,710 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 902 913) no Hoare annotation was computed. [2019-10-13 21:22:19,710 INFO L443 ceAbstractionStarter]: For program point L906-1(lines 902 913) no Hoare annotation was computed. [2019-10-13 21:22:19,711 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 902 913) the Hoare annotation is: true [2019-10-13 21:22:19,711 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2019-10-13 21:22:19,711 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2019-10-13 21:22:19,711 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2019-10-13 21:22:19,711 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2019-10-13 21:22:19,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:19 BoogieIcfgContainer [2019-10-13 21:22:19,722 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:19,725 INFO L168 Benchmark]: Toolchain (without parser) took 7250.97 ms. Allocated memory was 142.6 MB in the beginning and 303.6 MB in the end (delta: 161.0 MB). Free memory was 99.5 MB in the beginning and 222.0 MB in the end (delta: -122.5 MB). Peak memory consumption was 182.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:19,726 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:19,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.60 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 99.3 MB in the beginning and 165.0 MB in the end (delta: -65.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:19,728 INFO L168 Benchmark]: Boogie Preprocessor took 78.43 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 160.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:19,729 INFO L168 Benchmark]: RCFGBuilder took 1158.49 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 160.6 MB in the beginning and 188.1 MB in the end (delta: -27.5 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:19,730 INFO L168 Benchmark]: TraceAbstraction took 5298.73 ms. Allocated memory was 228.6 MB in the beginning and 303.6 MB in the end (delta: 75.0 MB). Free memory was 188.1 MB in the beginning and 222.0 MB in the end (delta: -33.9 MB). Peak memory consumption was 185.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:19,733 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.60 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 99.3 MB in the beginning and 165.0 MB in the end (delta: -65.6 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.43 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 160.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1158.49 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 160.6 MB in the beginning and 188.1 MB in the end (delta: -27.5 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5298.73 ms. Allocated memory was 228.6 MB in the beginning and 303.6 MB in the end (delta: 75.0 MB). Free memory was 188.1 MB in the beginning and 222.0 MB in the end (delta: -33.9 MB). Peak memory consumption was 185.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 193]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 262 locations, 1 error locations. Result: SAFE, OverallTime: 5.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1003 SDtfs, 846 SDslu, 2321 SDs, 0 SdLazy, 914 SolverSat, 153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1183occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 162 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 1248 PreInvPairs, 1249 NumberOfFragments, 76 HoareAnnotationTreeSize, 1248 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 74 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 137, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...