java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:18:28,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:18:28,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:18:28,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:18:28,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:18:28,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:18:28,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:18:28,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:18:28,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:18:28,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:18:28,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:18:28,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:18:28,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:18:28,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:18:28,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:18:28,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:18:28,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:18:28,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:18:28,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:18:28,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:18:28,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:18:28,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:18:28,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:18:28,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:18:28,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:18:28,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:18:28,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:18:28,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:18:28,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:18:28,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:18:28,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:18:28,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:18:28,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:18:28,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:18:28,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:18:28,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:18:28,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:18:28,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:18:28,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:18:28,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:18:28,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:18:28,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:18:28,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:18:28,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:18:28,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:18:28,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:18:28,292 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:18:28,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:18:28,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:18:28,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:18:28,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:18:28,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:18:28,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:18:28,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:18:28,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:18:28,296 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:18:28,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:18:28,297 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:18:28,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:18:28,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:18:28,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:18:28,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:18:28,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:18:28,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:28,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:18:28,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:18:28,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:18:28,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:18:28,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:18:28,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:18:28,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:18:28,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:18:28,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:18:28,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:18:28,611 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:18:28,612 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:18:28,612 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2019-10-07 15:18:28,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/846528227/fccea1664fc34576b1060b0279282856/FLAGbf93bc1e3 [2019-10-07 15:18:29,241 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:18:29,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2019-10-07 15:18:29,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/846528227/fccea1664fc34576b1060b0279282856/FLAGbf93bc1e3 [2019-10-07 15:18:29,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/846528227/fccea1664fc34576b1060b0279282856 [2019-10-07 15:18:29,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:18:29,522 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:18:29,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:29,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:18:29,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:18:29,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:29" (1/1) ... [2019-10-07 15:18:29,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437675f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:29, skipping insertion in model container [2019-10-07 15:18:29,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:18:29" (1/1) ... [2019-10-07 15:18:29,542 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:18:29,614 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:18:30,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:30,258 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:18:30,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:18:30,399 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:18:30,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30 WrapperNode [2019-10-07 15:18:30,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:18:30,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:18:30,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:18:30,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:18:30,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30" (1/1) ... [2019-10-07 15:18:30,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30" (1/1) ... [2019-10-07 15:18:30,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30" (1/1) ... [2019-10-07 15:18:30,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30" (1/1) ... [2019-10-07 15:18:30,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30" (1/1) ... [2019-10-07 15:18:30,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30" (1/1) ... [2019-10-07 15:18:30,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30" (1/1) ... [2019-10-07 15:18:30,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:18:30,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:18:30,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:18:30,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:18:30,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:18:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:18:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:18:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:30,567 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:18:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:18:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:18:30,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:18:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:18:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:18:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:18:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:18:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:18:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:18:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:18:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:18:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:18:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:18:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:18:30,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:18:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:18:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:18:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:18:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:18:30,572 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:18:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:18:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:18:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:30,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:18:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:18:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:18:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:18:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:18:30,574 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:18:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:18:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:18:30,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:18:30,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:18:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:18:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:18:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:18:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:18:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:18:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:18:30,576 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:18:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:18:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:18:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:18:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:18:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:18:30,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-07 15:18:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:18:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:18:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:18:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:18:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:18:30,578 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:18:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:18:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:18:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:18:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:18:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:18:30,579 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:18:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:18:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:18:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:18:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:18:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:18:30,580 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:18:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:18:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:18:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:18:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:18:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:18:30,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:18:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:18:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:18:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:18:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:18:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:18:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:18:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:18:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:18:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:18:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:18:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:18:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:18:30,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:18:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:18:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:18:30,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:18:32,345 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:18:32,346 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:18:32,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:32 BoogieIcfgContainer [2019-10-07 15:18:32,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:18:32,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:18:32,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:18:32,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:18:32,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:18:29" (1/3) ... [2019-10-07 15:18:32,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432bbf86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:32, skipping insertion in model container [2019-10-07 15:18:32,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:18:30" (2/3) ... [2019-10-07 15:18:32,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@432bbf86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:18:32, skipping insertion in model container [2019-10-07 15:18:32,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:18:32" (3/3) ... [2019-10-07 15:18:32,358 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2019-10-07 15:18:32,369 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:18:32,380 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:18:32,395 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:18:32,442 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:18:32,442 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:18:32,442 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:18:32,443 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:18:32,443 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:18:32,443 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:18:32,443 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:18:32,443 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:18:32,476 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2019-10-07 15:18:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:18:32,493 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:32,495 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:32,497 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:32,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:32,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1463739575, now seen corresponding path program 1 times [2019-10-07 15:18:32,518 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:32,519 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:32,519 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:32,520 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:32,923 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:32,924 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:32,926 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:18:32,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:18:32,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:18:32,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:32,946 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2019-10-07 15:18:33,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:33,008 INFO L93 Difference]: Finished difference Result 221 states and 264 transitions. [2019-10-07 15:18:33,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:18:33,011 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-07 15:18:33,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:33,024 INFO L225 Difference]: With dead ends: 221 [2019-10-07 15:18:33,025 INFO L226 Difference]: Without dead ends: 111 [2019-10-07 15:18:33,029 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:18:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-10-07 15:18:33,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-10-07 15:18:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-07 15:18:33,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2019-10-07 15:18:33,088 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 47 [2019-10-07 15:18:33,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:33,089 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2019-10-07 15:18:33,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:18:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2019-10-07 15:18:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-07 15:18:33,093 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:33,093 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:33,094 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:33,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:33,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1198354271, now seen corresponding path program 1 times [2019-10-07 15:18:33,095 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:33,095 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:33,095 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:33,095 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:33,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:33,248 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:33,249 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:33,250 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:18:33,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:18:33,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:18:33,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:33,254 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand 3 states. [2019-10-07 15:18:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:33,293 INFO L93 Difference]: Finished difference Result 179 states and 203 transitions. [2019-10-07 15:18:33,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:18:33,294 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-07 15:18:33,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:33,297 INFO L225 Difference]: With dead ends: 179 [2019-10-07 15:18:33,297 INFO L226 Difference]: Without dead ends: 103 [2019-10-07 15:18:33,299 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:18:33,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-07 15:18:33,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-07 15:18:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 15:18:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 115 transitions. [2019-10-07 15:18:33,314 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 115 transitions. Word has length 48 [2019-10-07 15:18:33,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:33,314 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 115 transitions. [2019-10-07 15:18:33,314 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:18:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2019-10-07 15:18:33,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-07 15:18:33,317 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:33,317 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:33,318 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:33,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:33,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1735176434, now seen corresponding path program 1 times [2019-10-07 15:18:33,319 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:33,319 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:33,319 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:33,319 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:33,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:33,510 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:33,510 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:33,510 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:18:33,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:18:33,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:18:33,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:18:33,512 INFO L87 Difference]: Start difference. First operand 103 states and 115 transitions. Second operand 7 states. [2019-10-07 15:18:33,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:33,848 INFO L93 Difference]: Finished difference Result 184 states and 209 transitions. [2019-10-07 15:18:33,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:18:33,849 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-07 15:18:33,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:33,851 INFO L225 Difference]: With dead ends: 184 [2019-10-07 15:18:33,852 INFO L226 Difference]: Without dead ends: 103 [2019-10-07 15:18:33,853 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:33,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-07 15:18:33,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-07 15:18:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-07 15:18:33,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 114 transitions. [2019-10-07 15:18:33,866 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 114 transitions. Word has length 50 [2019-10-07 15:18:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:33,867 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 114 transitions. [2019-10-07 15:18:33,867 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:18:33,867 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 114 transitions. [2019-10-07 15:18:33,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-07 15:18:33,869 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:33,869 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:33,870 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:33,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:33,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1989853821, now seen corresponding path program 1 times [2019-10-07 15:18:33,870 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:33,870 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:33,871 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:33,871 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:33,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:33,971 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:33,971 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:33,971 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:18:33,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:18:33,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:18:33,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:18:33,973 INFO L87 Difference]: Start difference. First operand 103 states and 114 transitions. Second operand 5 states. [2019-10-07 15:18:34,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:34,454 INFO L93 Difference]: Finished difference Result 276 states and 321 transitions. [2019-10-07 15:18:34,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:34,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-10-07 15:18:34,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:34,457 INFO L225 Difference]: With dead ends: 276 [2019-10-07 15:18:34,457 INFO L226 Difference]: Without dead ends: 195 [2019-10-07 15:18:34,462 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:18:34,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-10-07 15:18:34,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 180. [2019-10-07 15:18:34,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2019-10-07 15:18:34,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 198 transitions. [2019-10-07 15:18:34,505 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 198 transitions. Word has length 63 [2019-10-07 15:18:34,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:34,505 INFO L462 AbstractCegarLoop]: Abstraction has 180 states and 198 transitions. [2019-10-07 15:18:34,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:18:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 198 transitions. [2019-10-07 15:18:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-07 15:18:34,508 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:34,508 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:34,508 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:34,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:34,508 INFO L82 PathProgramCache]: Analyzing trace with hash 2005661954, now seen corresponding path program 1 times [2019-10-07 15:18:34,509 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:34,509 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:34,509 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:34,509 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:34,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:34,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:34,651 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:34,651 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:34,651 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:18:34,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:18:34,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:18:34,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:18:34,653 INFO L87 Difference]: Start difference. First operand 180 states and 198 transitions. Second operand 6 states. [2019-10-07 15:18:34,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:34,833 INFO L93 Difference]: Finished difference Result 432 states and 491 transitions. [2019-10-07 15:18:34,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:18:34,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-10-07 15:18:34,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:34,840 INFO L225 Difference]: With dead ends: 432 [2019-10-07 15:18:34,840 INFO L226 Difference]: Without dead ends: 274 [2019-10-07 15:18:34,842 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:18:34,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-10-07 15:18:34,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 264. [2019-10-07 15:18:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2019-10-07 15:18:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 294 transitions. [2019-10-07 15:18:34,896 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 294 transitions. Word has length 72 [2019-10-07 15:18:34,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:34,896 INFO L462 AbstractCegarLoop]: Abstraction has 264 states and 294 transitions. [2019-10-07 15:18:34,896 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:18:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 294 transitions. [2019-10-07 15:18:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 15:18:34,899 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:34,899 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:34,899 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:34,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:34,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1043730917, now seen corresponding path program 1 times [2019-10-07 15:18:34,900 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:34,900 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:34,900 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:34,900 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:34,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:35,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:35,073 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:35,073 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:35,073 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:18:35,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:18:35,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:18:35,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:18:35,075 INFO L87 Difference]: Start difference. First operand 264 states and 294 transitions. Second operand 10 states. [2019-10-07 15:18:35,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:35,383 INFO L93 Difference]: Finished difference Result 512 states and 573 transitions. [2019-10-07 15:18:35,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 15:18:35,384 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2019-10-07 15:18:35,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:35,390 INFO L225 Difference]: With dead ends: 512 [2019-10-07 15:18:35,391 INFO L226 Difference]: Without dead ends: 270 [2019-10-07 15:18:35,392 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:18:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-10-07 15:18:35,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 253. [2019-10-07 15:18:35,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2019-10-07 15:18:35,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 271 transitions. [2019-10-07 15:18:35,429 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 271 transitions. Word has length 75 [2019-10-07 15:18:35,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:35,430 INFO L462 AbstractCegarLoop]: Abstraction has 253 states and 271 transitions. [2019-10-07 15:18:35,430 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:18:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 271 transitions. [2019-10-07 15:18:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-07 15:18:35,431 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:35,432 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:35,432 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:35,432 INFO L82 PathProgramCache]: Analyzing trace with hash 111194752, now seen corresponding path program 1 times [2019-10-07 15:18:35,433 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:35,433 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:35,433 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:35,433 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:35,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:35,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:18:35,683 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:35,684 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:18:35,684 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-07 15:18:35,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-07 15:18:35,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-07 15:18:35,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-07 15:18:35,685 INFO L87 Difference]: Start difference. First operand 253 states and 271 transitions. Second operand 14 states. [2019-10-07 15:18:36,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:36,012 INFO L93 Difference]: Finished difference Result 505 states and 557 transitions. [2019-10-07 15:18:36,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:18:36,013 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 75 [2019-10-07 15:18:36,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:36,016 INFO L225 Difference]: With dead ends: 505 [2019-10-07 15:18:36,016 INFO L226 Difference]: Without dead ends: 347 [2019-10-07 15:18:36,017 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-10-07 15:18:36,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2019-10-07 15:18:36,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 316. [2019-10-07 15:18:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-10-07 15:18:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 341 transitions. [2019-10-07 15:18:36,041 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 341 transitions. Word has length 75 [2019-10-07 15:18:36,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:36,042 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 341 transitions. [2019-10-07 15:18:36,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-07 15:18:36,042 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 341 transitions. [2019-10-07 15:18:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-07 15:18:36,045 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:18:36,045 INFO L385 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:18:36,045 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:18:36,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:18:36,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1657350063, now seen corresponding path program 1 times [2019-10-07 15:18:36,046 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:18:36,046 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,046 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,046 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:18:36,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:18:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-07 15:18:36,157 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:18:36,158 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:18:36,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:18:36,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-07 15:18:36,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:18:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-07 15:18:36,554 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:18:36,760 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:36,761 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:36,812 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:36,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:36,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:18:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 15:18:36,970 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:18:36,971 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7, 9] total 21 [2019-10-07 15:18:36,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:18:36,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:18:36,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2019-10-07 15:18:36,972 INFO L87 Difference]: Start difference. First operand 316 states and 341 transitions. Second operand 9 states. [2019-10-07 15:18:37,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:18:37,341 INFO L93 Difference]: Finished difference Result 675 states and 747 transitions. [2019-10-07 15:18:37,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-07 15:18:37,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2019-10-07 15:18:37,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:18:37,343 INFO L225 Difference]: With dead ends: 675 [2019-10-07 15:18:37,343 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:18:37,345 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 214 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:18:37,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:18:37,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:18:37,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:18:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:18:37,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 112 [2019-10-07 15:18:37,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:18:37,347 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:18:37,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:18:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:18:37,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:18:37,553 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:37,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:18:38,650 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2019-10-07 15:18:38,960 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-10-07 15:18:39,212 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2019-10-07 15:18:40,178 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2019-10-07 15:18:40,348 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 580) no Hoare annotation was computed. [2019-10-07 15:18:40,348 INFO L443 ceAbstractionStarter]: For program point L570-2(lines 570 591) no Hoare annotation was computed. [2019-10-07 15:18:40,348 INFO L443 ceAbstractionStarter]: For program point L592(lines 569 593) no Hoare annotation was computed. [2019-10-07 15:18:40,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 545 600) no Hoare annotation was computed. [2019-10-07 15:18:40,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 545 600) no Hoare annotation was computed. [2019-10-07 15:18:40,349 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 637) no Hoare annotation was computed. [2019-10-07 15:18:40,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 601 660) no Hoare annotation was computed. [2019-10-07 15:18:40,349 INFO L443 ceAbstractionStarter]: For program point L627-2(lines 627 652) no Hoare annotation was computed. [2019-10-07 15:18:40,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 601 660) no Hoare annotation was computed. [2019-10-07 15:18:40,349 INFO L443 ceAbstractionStarter]: For program point L653(lines 626 654) no Hoare annotation was computed. [2019-10-07 15:18:40,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 601 660) no Hoare annotation was computed. [2019-10-07 15:18:40,349 INFO L443 ceAbstractionStarter]: For program point L646(line 646) no Hoare annotation was computed. [2019-10-07 15:18:40,350 INFO L443 ceAbstractionStarter]: For program point L646-1(line 646) no Hoare annotation was computed. [2019-10-07 15:18:40,350 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2019-10-07 15:18:40,350 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2019-10-07 15:18:40,350 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2019-10-07 15:18:40,350 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2019-10-07 15:18:40,351 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:40,351 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2019-10-07 15:18:40,351 INFO L439 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:40,351 INFO L439 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:40,351 INFO L443 ceAbstractionStarter]: For program point L941(lines 941 948) no Hoare annotation was computed. [2019-10-07 15:18:40,352 INFO L443 ceAbstractionStarter]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2019-10-07 15:18:40,352 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-07 15:18:40,352 INFO L439 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:40,352 INFO L439 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:40,352 INFO L439 ceAbstractionStarter]: At program point L937-1(line 937) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:40,352 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-10-07 15:18:40,353 INFO L443 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2019-10-07 15:18:40,353 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 890 913) no Hoare annotation was computed. [2019-10-07 15:18:40,353 INFO L443 ceAbstractionStarter]: For program point L895(line 895) no Hoare annotation was computed. [2019-10-07 15:18:40,353 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 890 913) no Hoare annotation was computed. [2019-10-07 15:18:40,353 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 890 913) no Hoare annotation was computed. [2019-10-07 15:18:40,353 INFO L443 ceAbstractionStarter]: For program point L908(line 908) no Hoare annotation was computed. [2019-10-07 15:18:40,353 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-07 15:18:40,354 INFO L443 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2019-10-07 15:18:40,354 INFO L443 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2019-10-07 15:18:40,354 INFO L443 ceAbstractionStarter]: For program point L904(line 904) no Hoare annotation was computed. [2019-10-07 15:18:40,354 INFO L443 ceAbstractionStarter]: For program point L903(line 903) no Hoare annotation was computed. [2019-10-07 15:18:40,354 INFO L443 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2019-10-07 15:18:40,354 INFO L443 ceAbstractionStarter]: For program point L901(line 901) no Hoare annotation was computed. [2019-10-07 15:18:40,354 INFO L443 ceAbstractionStarter]: For program point L900(line 900) no Hoare annotation was computed. [2019-10-07 15:18:40,354 INFO L443 ceAbstractionStarter]: For program point L899(line 899) no Hoare annotation was computed. [2019-10-07 15:18:40,355 INFO L443 ceAbstractionStarter]: For program point L898(line 898) no Hoare annotation was computed. [2019-10-07 15:18:40,355 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2019-10-07 15:18:40,355 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2019-10-07 15:18:40,355 INFO L446 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2019-10-07 15:18:40,355 INFO L443 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2019-10-07 15:18:40,355 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2019-10-07 15:18:40,355 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2019-10-07 15:18:40,356 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-07 15:18:40,356 INFO L443 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2019-10-07 15:18:40,356 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 173 208) no Hoare annotation was computed. [2019-10-07 15:18:40,356 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 173 208) no Hoare annotation was computed. [2019-10-07 15:18:40,356 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2019-10-07 15:18:40,356 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2019-10-07 15:18:40,356 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 499 544) no Hoare annotation was computed. [2019-10-07 15:18:40,356 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 499 544) no Hoare annotation was computed. [2019-10-07 15:18:40,357 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 812 857) no Hoare annotation was computed. [2019-10-07 15:18:40,357 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 812 857) no Hoare annotation was computed. [2019-10-07 15:18:40,357 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:40,357 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2019-10-07 15:18:40,357 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2019-10-07 15:18:40,357 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 153 163) no Hoare annotation was computed. [2019-10-07 15:18:40,358 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-07 15:18:40,358 INFO L443 ceAbstractionStarter]: For program point L158-1(line 158) no Hoare annotation was computed. [2019-10-07 15:18:40,358 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 153 163) no Hoare annotation was computed. [2019-10-07 15:18:40,358 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 1)) [2019-10-07 15:18:40,358 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2019-10-07 15:18:40,358 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2019-10-07 15:18:40,358 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2019-10-07 15:18:40,358 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:40,359 INFO L439 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:40,359 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 128) no Hoare annotation was computed. [2019-10-07 15:18:40,359 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2019-10-07 15:18:40,359 INFO L439 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:40,359 INFO L443 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2019-10-07 15:18:40,359 INFO L443 ceAbstractionStarter]: For program point L116(lines 116 133) no Hoare annotation was computed. [2019-10-07 15:18:40,360 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:40,360 INFO L439 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:40,360 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2019-10-07 15:18:40,360 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2019-10-07 15:18:40,360 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2019-10-07 15:18:40,360 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:40,360 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:40,361 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-10-07 15:18:40,361 INFO L443 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2019-10-07 15:18:40,361 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2019-10-07 15:18:40,361 INFO L439 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 (= ~pumpRunning~0 0)) .cse1) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-07 15:18:40,361 INFO L439 ceAbstractionStarter]: At program point L304(lines 261 306) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (not (= ~waterLevel~0 2)) .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:40,361 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 277) no Hoare annotation was computed. [2019-10-07 15:18:40,362 INFO L443 ceAbstractionStarter]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2019-10-07 15:18:40,362 INFO L439 ceAbstractionStarter]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-07 15:18:40,362 INFO L439 ceAbstractionStarter]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-07 15:18:40,362 INFO L443 ceAbstractionStarter]: For program point L262(lines 261 306) no Hoare annotation was computed. [2019-10-07 15:18:40,362 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2019-10-07 15:18:40,362 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 766 811) no Hoare annotation was computed. [2019-10-07 15:18:40,362 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 766 811) no Hoare annotation was computed. [2019-10-07 15:18:40,363 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2019-10-07 15:18:40,363 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2019-10-07 15:18:40,363 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 399 421) no Hoare annotation was computed. [2019-10-07 15:18:40,363 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 399 421) no Hoare annotation was computed. [2019-10-07 15:18:40,363 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 459 468) no Hoare annotation was computed. [2019-10-07 15:18:40,363 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 459 468) no Hoare annotation was computed. [2019-10-07 15:18:40,363 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 663 765) no Hoare annotation was computed. [2019-10-07 15:18:40,364 INFO L443 ceAbstractionStarter]: For program point L733(lines 711 734) no Hoare annotation was computed. [2019-10-07 15:18:40,364 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 708) no Hoare annotation was computed. [2019-10-07 15:18:40,364 INFO L443 ceAbstractionStarter]: For program point L713(lines 712 732) no Hoare annotation was computed. [2019-10-07 15:18:40,364 INFO L443 ceAbstractionStarter]: For program point L744(line 744) no Hoare annotation was computed. [2019-10-07 15:18:40,364 INFO L443 ceAbstractionStarter]: For program point L744-1(line 744) no Hoare annotation was computed. [2019-10-07 15:18:40,364 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 663 765) no Hoare annotation was computed. [2019-10-07 15:18:40,364 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 750) no Hoare annotation was computed. [2019-10-07 15:18:40,364 INFO L443 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2019-10-07 15:18:40,365 INFO L443 ceAbstractionStarter]: For program point L728-1(line 728) no Hoare annotation was computed. [2019-10-07 15:18:40,365 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 663 765) no Hoare annotation was computed. [2019-10-07 15:18:40,365 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2019-10-07 15:18:40,365 INFO L443 ceAbstractionStarter]: For program point L712-2(lines 712 732) no Hoare annotation was computed. [2019-10-07 15:18:40,365 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (<= 3 |old(~waterLevel~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:18:40,365 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:40,365 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2019-10-07 15:18:40,366 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) (not (= ~systemActive~0 1))) [2019-10-07 15:18:40,366 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2019-10-07 15:18:40,366 INFO L446 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2019-10-07 15:18:40,366 INFO L443 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2019-10-07 15:18:40,366 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2019-10-07 15:18:40,366 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2019-10-07 15:18:40,366 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2019-10-07 15:18:40,366 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: true [2019-10-07 15:18:40,367 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2019-10-07 15:18:40,367 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:40,367 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:18:40,367 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2019-10-07 15:18:40,367 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2019-10-07 15:18:40,367 INFO L439 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (< ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3) (and .cse4 .cse2)) (let ((.cse5 (< ~waterLevel~0 3))) (or (and (not (= ~waterLevel~0 2)) .cse5 .cse1) .cse6 .cse0 .cse3 (and .cse5 .cse4))) (or (not (< |old(~waterLevel~0)| 2)) .cse6 .cse2 .cse3) (or .cse6 (= 1 ~waterLevel~0) .cse3 (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:18:40,368 INFO L439 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (< |old(~waterLevel~0)| 3)))) (and (or (not (< |old(~waterLevel~0)| 2)) (< ~waterLevel~0 2) .cse0) (or .cse1 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2)))) [2019-10-07 15:18:40,368 INFO L443 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2019-10-07 15:18:40,368 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (< |old(~waterLevel~0)| 2))) (.cse1 (< ~waterLevel~0 2)) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 3)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 (= ~pumpRunning~0 0)) .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse6 .cse1) (or .cse5 (and .cse3 (= ~pumpRunning~0 1)) .cse2) (or .cse4 .cse6 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)))))) [2019-10-07 15:18:40,368 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2019-10-07 15:18:40,368 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2019-10-07 15:18:40,368 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse3 (< ~waterLevel~0 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2) (or .cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) (and (= ~pumpRunning~0 1) .cse3)) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse2 .cse3) (or .cse0 .cse2 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))))) [2019-10-07 15:18:40,369 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-10-07 15:18:40,369 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2019-10-07 15:18:40,369 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: true [2019-10-07 15:18:40,369 INFO L446 ceAbstractionStarter]: At program point L885(lines 860 889) the Hoare annotation is: true [2019-10-07 15:18:40,369 INFO L443 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2019-10-07 15:18:40,369 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2019-10-07 15:18:40,369 INFO L446 ceAbstractionStarter]: At program point L874-1(lines 874 878) the Hoare annotation is: true [2019-10-07 15:18:40,369 INFO L446 ceAbstractionStarter]: At program point L870-2(lines 870 884) the Hoare annotation is: true [2019-10-07 15:18:40,370 INFO L446 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2019-10-07 15:18:40,370 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2019-10-07 15:18:40,370 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2019-10-07 15:18:40,370 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (< ~waterLevel~0 3))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2019-10-07 15:18:40,370 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2019-10-07 15:18:40,370 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-07 15:18:40,370 INFO L443 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2019-10-07 15:18:40,370 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 346) no Hoare annotation was computed. [2019-10-07 15:18:40,371 INFO L443 ceAbstractionStarter]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2019-10-07 15:18:40,371 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-10-07 15:18:40,371 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-10-07 15:18:40,371 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-07 15:18:40,371 INFO L446 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2019-10-07 15:18:40,371 INFO L443 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2019-10-07 15:18:40,371 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (let ((.cse0 (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0))))) (and (or (not (< |old(~waterLevel~0)| 2)) .cse0 (< ~waterLevel~0 2)) (or .cse0 (not (< |old(~waterLevel~0)| 3)) (< ~waterLevel~0 3)))) [2019-10-07 15:18:40,372 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2019-10-07 15:18:40,372 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2019-10-07 15:18:40,372 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2019-10-07 15:18:40,372 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:18:40,372 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-07 15:18:40,372 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:18:40,372 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:18:40,372 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:40,373 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0 (and (or (not (= ~waterLevel~0 2)) (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (= ~pumpRunning~0 0))) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:40,373 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2019-10-07 15:18:40,373 INFO L439 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:40,373 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2019-10-07 15:18:40,373 INFO L443 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2019-10-07 15:18:40,373 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2019-10-07 15:18:40,374 INFO L439 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-07 15:18:40,374 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2019-10-07 15:18:40,374 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (< ~waterLevel~0 3)) .cse0) (or (not (< ~waterLevel~0 2)) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:18:40,374 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2019-10-07 15:18:40,374 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (< ~waterLevel~0 3)) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (not (< |old(~waterLevel~0)| 2))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (or (not (= 1 ~pumpRunning~0)) .cse6))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse3) (or .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse2)))) [2019-10-07 15:18:40,374 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-10-07 15:18:40,375 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2019-10-07 15:18:40,375 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2019-10-07 15:18:40,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:18:40 BoogieIcfgContainer [2019-10-07 15:18:40,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:18:40,391 INFO L168 Benchmark]: Toolchain (without parser) took 10869.93 ms. Allocated memory was 145.8 MB in the beginning and 327.7 MB in the end (delta: 181.9 MB). Free memory was 102.7 MB in the beginning and 123.1 MB in the end (delta: -20.4 MB). Peak memory consumption was 167.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:40,392 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:40,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 875.44 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 102.5 MB in the beginning and 172.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:40,394 INFO L168 Benchmark]: Boogie Preprocessor took 86.88 ms. Allocated memory is still 206.6 MB. Free memory was 172.0 MB in the beginning and 168.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:40,395 INFO L168 Benchmark]: RCFGBuilder took 1858.51 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 168.0 MB in the beginning and 141.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:40,396 INFO L168 Benchmark]: TraceAbstraction took 8039.41 ms. Allocated memory was 233.8 MB in the beginning and 327.7 MB in the end (delta: 93.8 MB). Free memory was 139.8 MB in the beginning and 123.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:40,400 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 875.44 ms. Allocated memory was 145.8 MB in the beginning and 206.6 MB in the end (delta: 60.8 MB). Free memory was 102.5 MB in the beginning and 172.0 MB in the end (delta: -69.5 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.88 ms. Allocated memory is still 206.6 MB. Free memory was 172.0 MB in the beginning and 168.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1858.51 ms. Allocated memory was 206.6 MB in the beginning and 233.8 MB in the end (delta: 27.3 MB). Free memory was 168.0 MB in the beginning and 141.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8039.41 ms. Allocated memory was 233.8 MB in the beginning and 327.7 MB in the end (delta: 93.8 MB). Free memory was 139.8 MB in the beginning and 123.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 116.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: 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: 261]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (((!(waterLevel == 2) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 185 locations, 1 error locations. Result: SAFE, OverallTime: 7.9s, OverallIterations: 8, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, HoareTripleCheckerStatistics: 1009 SDtfs, 754 SDslu, 3199 SDs, 0 SdLazy, 896 SolverSat, 312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 320 GetRequests, 244 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=316occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 73 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 763 PreInvPairs, 809 NumberOfFragments, 1187 HoareAnnotationTreeSize, 763 FomulaSimplifications, 1347 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 6103 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 654 NumberOfCodeBlocks, 654 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 124397 SizeOfPredicates, 7 NumberOfNonLiveVariables, 814 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 58/63 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...