java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:26,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:26,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:26,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:26,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:26,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:26,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:26,356 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:26,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:26,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:26,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:26,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:26,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:26,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:26,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:26,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:26,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:26,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:26,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:26,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:26,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:26,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:26,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:26,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:26,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:26,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:26,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:26,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:26,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:26,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:26,382 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:26,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:26,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:26,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:26,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:26,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:26,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:26,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:26,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:26,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:26,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:26,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 13:04:26,411 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:26,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:26,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:26,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:26,413 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:26,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:26,414 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:26,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:26,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:26,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:26,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:26,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:26,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:26,415 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:26,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:26,416 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:26,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:26,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:26,416 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:26,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:26,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:26,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:26,417 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:26,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:26,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:26,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:26,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:26,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:26,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:26,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:26,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:26,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:26,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:26,466 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:26,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-09-20 13:04:26,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45861ea30/65f569f80897482aa109d82e8b28efc6/FLAGf8bc333bd [2019-09-20 13:04:27,120 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:27,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-09-20 13:04:27,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45861ea30/65f569f80897482aa109d82e8b28efc6/FLAGf8bc333bd [2019-09-20 13:04:27,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45861ea30/65f569f80897482aa109d82e8b28efc6 [2019-09-20 13:04:27,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:27,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:27,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:27,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:27,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:27,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:27" (1/1) ... [2019-09-20 13:04:27,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f398e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:27, skipping insertion in model container [2019-09-20 13:04:27,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:27" (1/1) ... [2019-09-20 13:04:27,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:27,401 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:27,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:27,933 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:28,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:28,069 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:28,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28 WrapperNode [2019-09-20 13:04:28,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:28,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:28,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:28,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:28,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28" (1/1) ... [2019-09-20 13:04:28,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28" (1/1) ... [2019-09-20 13:04:28,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28" (1/1) ... [2019-09-20 13:04:28,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28" (1/1) ... [2019-09-20 13:04:28,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28" (1/1) ... [2019-09-20 13:04:28,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28" (1/1) ... [2019-09-20 13:04:28,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28" (1/1) ... [2019-09-20 13:04:28,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:28,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:28,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:28,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:28,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:28,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:04:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:04:28,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:28,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:04:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:04:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:04:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:28,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:28,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:28,236 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:04:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:04:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:28,237 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:28,238 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:04:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:04:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:28,239 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:04:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:04:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:04:28,240 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:04:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:04:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:28,241 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:28,242 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:28,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:04:29,512 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:04:29,513 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:04:29,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:29 BoogieIcfgContainer [2019-09-20 13:04:29,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:04:29,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:04:29,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:04:29,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:04:29,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:27" (1/3) ... [2019-09-20 13:04:29,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baf16ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:29, skipping insertion in model container [2019-09-20 13:04:29,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:28" (2/3) ... [2019-09-20 13:04:29,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6baf16ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:29, skipping insertion in model container [2019-09-20 13:04:29,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:29" (3/3) ... [2019-09-20 13:04:29,526 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63.cil.c [2019-09-20 13:04:29,536 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:04:29,548 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:04:29,565 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:04:29,594 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:04:29,595 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:04:29,595 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:04:29,595 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:04:29,596 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:04:29,596 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:04:29,596 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:04:29,596 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:04:29,597 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:04:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2019-09-20 13:04:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:04:29,632 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,633 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:29,636 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1613581470, now seen corresponding path program 1 times [2019-09-20 13:04:29,644 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:29,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:04:29,970 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:04:29,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:04:29,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:29,989 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2019-09-20 13:04:30,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,046 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2019-09-20 13:04:30,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:04:30,052 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:04:30,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,076 INFO L225 Difference]: With dead ends: 312 [2019-09-20 13:04:30,076 INFO L226 Difference]: Without dead ends: 156 [2019-09-20 13:04:30,084 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:30,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-09-20 13:04:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-09-20 13:04:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-09-20 13:04:30,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2019-09-20 13:04:30,188 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 46 [2019-09-20 13:04:30,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,189 INFO L475 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2019-09-20 13:04:30,189 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:04:30,189 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2019-09-20 13:04:30,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:04:30,199 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,199 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:30,200 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1476283687, now seen corresponding path program 1 times [2019-09-20 13:04:30,203 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:30,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:30,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:04:30,379 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:04:30,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:04:30,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:30,380 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand 3 states. [2019-09-20 13:04:30,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,415 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2019-09-20 13:04:30,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:04:30,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:04:30,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,420 INFO L225 Difference]: With dead ends: 255 [2019-09-20 13:04:30,420 INFO L226 Difference]: Without dead ends: 147 [2019-09-20 13:04:30,424 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:30,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-09-20 13:04:30,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-09-20 13:04:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-20 13:04:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2019-09-20 13:04:30,454 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 47 [2019-09-20 13:04:30,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,454 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2019-09-20 13:04:30,454 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:04:30,454 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2019-09-20 13:04:30,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:04:30,460 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,460 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:30,461 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,461 INFO L82 PathProgramCache]: Analyzing trace with hash 474549322, now seen corresponding path program 1 times [2019-09-20 13:04:30,461 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:30,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:30,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:30,680 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:30,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:30,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:30,681 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 7 states. [2019-09-20 13:04:31,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:31,309 INFO L93 Difference]: Finished difference Result 443 states and 543 transitions. [2019-09-20 13:04:31,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:04:31,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:04:31,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:31,314 INFO L225 Difference]: With dead ends: 443 [2019-09-20 13:04:31,315 INFO L226 Difference]: Without dead ends: 320 [2019-09-20 13:04:31,316 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:31,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-09-20 13:04:31,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2019-09-20 13:04:31,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-09-20 13:04:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 382 transitions. [2019-09-20 13:04:31,389 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 382 transitions. Word has length 51 [2019-09-20 13:04:31,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:31,390 INFO L475 AbstractCegarLoop]: Abstraction has 312 states and 382 transitions. [2019-09-20 13:04:31,390 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:31,390 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 382 transitions. [2019-09-20 13:04:31,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:04:31,392 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:31,393 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:31,393 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:31,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:31,393 INFO L82 PathProgramCache]: Analyzing trace with hash 912243430, now seen corresponding path program 1 times [2019-09-20 13:04:31,394 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:31,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:31,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:31,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:31,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:31,549 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:31,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:31,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:31,550 INFO L87 Difference]: Start difference. First operand 312 states and 382 transitions. Second operand 6 states. [2019-09-20 13:04:31,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:31,835 INFO L93 Difference]: Finished difference Result 873 states and 1094 transitions. [2019-09-20 13:04:31,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:31,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-20 13:04:31,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:31,843 INFO L225 Difference]: With dead ends: 873 [2019-09-20 13:04:31,844 INFO L226 Difference]: Without dead ends: 585 [2019-09-20 13:04:31,848 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:31,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2019-09-20 13:04:31,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 579. [2019-09-20 13:04:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-09-20 13:04:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 714 transitions. [2019-09-20 13:04:31,931 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 714 transitions. Word has length 57 [2019-09-20 13:04:31,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:31,933 INFO L475 AbstractCegarLoop]: Abstraction has 579 states and 714 transitions. [2019-09-20 13:04:31,937 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 714 transitions. [2019-09-20 13:04:31,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:04:31,942 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:31,950 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:31,950 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:31,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:31,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1983295510, now seen corresponding path program 1 times [2019-09-20 13:04:31,951 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:31,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:31,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:32,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:32,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:32,070 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:32,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:32,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:32,073 INFO L87 Difference]: Start difference. First operand 579 states and 714 transitions. Second operand 6 states. [2019-09-20 13:04:32,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,337 INFO L93 Difference]: Finished difference Result 1364 states and 1744 transitions. [2019-09-20 13:04:32,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:32,338 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-09-20 13:04:32,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,344 INFO L225 Difference]: With dead ends: 1364 [2019-09-20 13:04:32,345 INFO L226 Difference]: Without dead ends: 809 [2019-09-20 13:04:32,347 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:32,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2019-09-20 13:04:32,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2019-09-20 13:04:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-09-20 13:04:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 967 transitions. [2019-09-20 13:04:32,412 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 967 transitions. Word has length 61 [2019-09-20 13:04:32,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,413 INFO L475 AbstractCegarLoop]: Abstraction has 791 states and 967 transitions. [2019-09-20 13:04:32,413 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 967 transitions. [2019-09-20 13:04:32,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:04:32,417 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:32,417 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:32,418 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:32,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:32,418 INFO L82 PathProgramCache]: Analyzing trace with hash -575696431, now seen corresponding path program 1 times [2019-09-20 13:04:32,419 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:32,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:32,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:32,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:32,567 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:32,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:32,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:32,569 INFO L87 Difference]: Start difference. First operand 791 states and 967 transitions. Second operand 6 states. [2019-09-20 13:04:32,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,628 INFO L93 Difference]: Finished difference Result 1586 states and 2014 transitions. [2019-09-20 13:04:32,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:32,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-09-20 13:04:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,636 INFO L225 Difference]: With dead ends: 1586 [2019-09-20 13:04:32,637 INFO L226 Difference]: Without dead ends: 819 [2019-09-20 13:04:32,640 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:32,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-09-20 13:04:32,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2019-09-20 13:04:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-09-20 13:04:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 987 transitions. [2019-09-20 13:04:32,696 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 987 transitions. Word has length 103 [2019-09-20 13:04:32,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,698 INFO L475 AbstractCegarLoop]: Abstraction has 811 states and 987 transitions. [2019-09-20 13:04:32,698 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 987 transitions. [2019-09-20 13:04:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:04:32,707 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:32,708 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:32,708 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:32,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:32,708 INFO L82 PathProgramCache]: Analyzing trace with hash -928784813, now seen corresponding path program 1 times [2019-09-20 13:04:32,709 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:32,709 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:32,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:32,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:04:32,837 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:04:32,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:04:32,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:32,839 INFO L87 Difference]: Start difference. First operand 811 states and 987 transitions. Second operand 8 states. [2019-09-20 13:04:32,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,912 INFO L93 Difference]: Finished difference Result 1626 states and 2054 transitions. [2019-09-20 13:04:32,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:32,913 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-20 13:04:32,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,920 INFO L225 Difference]: With dead ends: 1626 [2019-09-20 13:04:32,920 INFO L226 Difference]: Without dead ends: 839 [2019-09-20 13:04:32,923 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:32,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2019-09-20 13:04:32,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2019-09-20 13:04:32,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2019-09-20 13:04:32,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1003 transitions. [2019-09-20 13:04:32,989 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1003 transitions. Word has length 103 [2019-09-20 13:04:32,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,990 INFO L475 AbstractCegarLoop]: Abstraction has 827 states and 1003 transitions. [2019-09-20 13:04:32,990 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:04:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1003 transitions. [2019-09-20 13:04:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:04:32,993 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:32,993 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:32,993 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:32,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:32,994 INFO L82 PathProgramCache]: Analyzing trace with hash 204405780, now seen corresponding path program 1 times [2019-09-20 13:04:32,994 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:32,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:33,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:33,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:04:33,109 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:04:33,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:04:33,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:33,113 INFO L87 Difference]: Start difference. First operand 827 states and 1003 transitions. Second operand 4 states. [2019-09-20 13:04:33,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,455 INFO L93 Difference]: Finished difference Result 2661 states and 3378 transitions. [2019-09-20 13:04:33,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:04:33,456 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-09-20 13:04:33,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,468 INFO L225 Difference]: With dead ends: 2661 [2019-09-20 13:04:33,469 INFO L226 Difference]: Without dead ends: 1858 [2019-09-20 13:04:33,475 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:33,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2019-09-20 13:04:33,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1827. [2019-09-20 13:04:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2019-09-20 13:04:33,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2263 transitions. [2019-09-20 13:04:33,594 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2263 transitions. Word has length 103 [2019-09-20 13:04:33,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:33,594 INFO L475 AbstractCegarLoop]: Abstraction has 1827 states and 2263 transitions. [2019-09-20 13:04:33,594 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:04:33,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2263 transitions. [2019-09-20 13:04:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-20 13:04:33,600 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:33,601 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:33,601 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:33,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:33,601 INFO L82 PathProgramCache]: Analyzing trace with hash -796699686, now seen corresponding path program 1 times [2019-09-20 13:04:33,601 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:33,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:33,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:04:33,838 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:33,838 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:33,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:34,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:34,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:34,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:34,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:04:34,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:34,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:34,275 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:34,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:34,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:34,276 INFO L87 Difference]: Start difference. First operand 1827 states and 2263 transitions. Second operand 19 states. [2019-09-20 13:04:35,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:35,789 INFO L93 Difference]: Finished difference Result 3614 states and 4534 transitions. [2019-09-20 13:04:35,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:35,789 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2019-09-20 13:04:35,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:35,800 INFO L225 Difference]: With dead ends: 3614 [2019-09-20 13:04:35,801 INFO L226 Difference]: Without dead ends: 1811 [2019-09-20 13:04:35,808 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:35,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-09-20 13:04:35,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2019-09-20 13:04:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2019-09-20 13:04:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2193 transitions. [2019-09-20 13:04:35,922 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2193 transitions. Word has length 107 [2019-09-20 13:04:35,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:35,923 INFO L475 AbstractCegarLoop]: Abstraction has 1811 states and 2193 transitions. [2019-09-20 13:04:35,923 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:35,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2193 transitions. [2019-09-20 13:04:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-09-20 13:04:35,931 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:35,932 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:35,932 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:35,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:35,933 INFO L82 PathProgramCache]: Analyzing trace with hash 834993459, now seen corresponding path program 1 times [2019-09-20 13:04:35,933 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:35,933 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:35,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:35,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:35,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-09-20 13:04:36,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:36,098 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:36,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:36,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:04:36,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:04:36,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:36,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-20 13:04:36,391 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:36,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:36,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:36,392 INFO L87 Difference]: Start difference. First operand 1811 states and 2193 transitions. Second operand 6 states. [2019-09-20 13:04:37,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:37,354 INFO L93 Difference]: Finished difference Result 4169 states and 5321 transitions. [2019-09-20 13:04:37,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:04:37,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2019-09-20 13:04:37,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:37,374 INFO L225 Difference]: With dead ends: 4169 [2019-09-20 13:04:37,374 INFO L226 Difference]: Without dead ends: 2718 [2019-09-20 13:04:37,381 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:37,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2019-09-20 13:04:37,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2393. [2019-09-20 13:04:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2393 states. [2019-09-20 13:04:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 2919 transitions. [2019-09-20 13:04:37,606 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 2919 transitions. Word has length 180 [2019-09-20 13:04:37,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:37,608 INFO L475 AbstractCegarLoop]: Abstraction has 2393 states and 2919 transitions. [2019-09-20 13:04:37,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 2919 transitions. [2019-09-20 13:04:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-20 13:04:37,616 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:37,617 INFO L407 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:37,617 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:37,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:37,618 INFO L82 PathProgramCache]: Analyzing trace with hash 649218157, now seen corresponding path program 1 times [2019-09-20 13:04:37,618 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:37,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:37,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:37,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:37,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:04:37,807 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:37,807 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:37,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:37,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 944 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:38,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-20 13:04:38,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:38,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:38,191 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:38,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:38,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:38,192 INFO L87 Difference]: Start difference. First operand 2393 states and 2919 transitions. Second operand 19 states. [2019-09-20 13:04:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:39,627 INFO L93 Difference]: Finished difference Result 4183 states and 5191 transitions. [2019-09-20 13:04:39,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:39,628 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2019-09-20 13:04:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:39,629 INFO L225 Difference]: With dead ends: 4183 [2019-09-20 13:04:39,629 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:04:39,640 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:39,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:04:39,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:04:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:04:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:04:39,641 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-09-20 13:04:39,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:39,642 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:04:39,642 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:04:39,642 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:04:39,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:04:41,153 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2019-09-20 13:04:41,507 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 22 [2019-09-20 13:04:42,171 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 21 [2019-09-20 13:04:42,444 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 17 [2019-09-20 13:04:42,660 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 23 [2019-09-20 13:04:42,845 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 19 [2019-09-20 13:04:43,306 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 19 [2019-09-20 13:04:43,563 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2019-09-20 13:04:43,796 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 14 [2019-09-20 13:04:43,963 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 17 [2019-09-20 13:04:44,223 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 27 [2019-09-20 13:04:44,620 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 21 [2019-09-20 13:04:44,960 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 17 [2019-09-20 13:04:45,412 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 12 [2019-09-20 13:04:45,556 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 25 [2019-09-20 13:04:45,725 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 20 [2019-09-20 13:04:46,044 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 28 [2019-09-20 13:04:46,151 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 16 [2019-09-20 13:04:46,368 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-09-20 13:04:46,368 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2019-09-20 13:04:46,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 438 493) no Hoare annotation was computed. [2019-09-20 13:04:46,368 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-09-20 13:04:46,368 INFO L443 ceAbstractionStarter]: For program point L463-2(lines 463 484) no Hoare annotation was computed. [2019-09-20 13:04:46,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 438 493) no Hoare annotation was computed. [2019-09-20 13:04:46,368 INFO L443 ceAbstractionStarter]: For program point L485(lines 462 486) no Hoare annotation was computed. [2019-09-20 13:04:46,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 438 493) no Hoare annotation was computed. [2019-09-20 13:04:46,369 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-09-20 13:04:46,369 INFO L443 ceAbstractionStarter]: For program point L539-1(line 539) no Hoare annotation was computed. [2019-09-20 13:04:46,369 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 494 553) no Hoare annotation was computed. [2019-09-20 13:04:46,369 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 494 553) no Hoare annotation was computed. [2019-09-20 13:04:46,369 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-09-20 13:04:46,369 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 526 530) no Hoare annotation was computed. [2019-09-20 13:04:46,369 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 494 553) no Hoare annotation was computed. [2019-09-20 13:04:46,369 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-09-20 13:04:46,370 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 545) no Hoare annotation was computed. [2019-09-20 13:04:46,370 INFO L443 ceAbstractionStarter]: For program point L546(lines 519 547) no Hoare annotation was computed. [2019-09-20 13:04:46,370 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2019-09-20 13:04:46,370 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2019-09-20 13:04:46,370 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2019-09-20 13:04:46,370 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2019-09-20 13:04:46,370 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2019-09-20 13:04:46,371 INFO L439 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:46,371 INFO L439 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:46,371 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:46,371 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2019-09-20 13:04:46,371 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2019-09-20 13:04:46,372 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:46,372 INFO L439 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:46,372 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2019-09-20 13:04:46,372 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2019-09-20 13:04:46,372 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-09-20 13:04:46,372 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:46,372 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-09-20 13:04:46,373 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-09-20 13:04:46,373 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 783 806) no Hoare annotation was computed. [2019-09-20 13:04:46,373 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-09-20 13:04:46,373 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-09-20 13:04:46,373 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-09-20 13:04:46,373 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 783 806) no Hoare annotation was computed. [2019-09-20 13:04:46,373 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-09-20 13:04:46,373 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 783 806) no Hoare annotation was computed. [2019-09-20 13:04:46,374 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-09-20 13:04:46,374 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-09-20 13:04:46,374 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-09-20 13:04:46,374 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-09-20 13:04:46,374 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-09-20 13:04:46,374 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-09-20 13:04:46,374 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-09-20 13:04:46,374 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-09-20 13:04:46,375 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-09-20 13:04:46,375 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-09-20 13:04:46,375 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-09-20 13:04:46,375 INFO L439 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-09-20 13:04:46,375 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-09-20 13:04:46,375 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-09-20 13:04:46,375 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,375 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2019-09-20 13:04:46,376 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,376 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2019-09-20 13:04:46,376 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2019-09-20 13:04:46,376 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse3 (not (= |old(~systemActive~0)| 1))) (.cse2 (= 1 ~systemActive~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~systemActive~0)| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse3 .cse2) (or .cse1 .cse4) (or .cse0 .cse6 .cse5))) [2019-09-20 13:04:46,376 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-09-20 13:04:46,376 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse3 (= 1 ~systemActive~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~systemActive~0)| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse6 .cse2) (or (or .cse7 .cse0) .cse1) (or .cse7 .cse4 .cse3) (or .cse7 .cse6 .cse5))) [2019-09-20 13:04:46,377 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2019-09-20 13:04:46,377 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-09-20 13:04:46,377 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-09-20 13:04:46,377 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2019-09-20 13:04:46,377 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2019-09-20 13:04:46,377 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-09-20 13:04:46,377 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-09-20 13:04:46,377 INFO L443 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2019-09-20 13:04:46,377 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-09-20 13:04:46,378 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2019-09-20 13:04:46,378 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2019-09-20 13:04:46,378 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-09-20 13:04:46,378 INFO L443 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-09-20 13:04:46,378 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-09-20 13:04:46,378 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-09-20 13:04:46,378 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2019-09-20 13:04:46,378 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 244) no Hoare annotation was computed. [2019-09-20 13:04:46,379 INFO L443 ceAbstractionStarter]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2019-09-20 13:04:46,379 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-09-20 13:04:46,379 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-09-20 13:04:46,379 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2019-09-20 13:04:46,379 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2019-09-20 13:04:46,379 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 392 437) no Hoare annotation was computed. [2019-09-20 13:04:46,379 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 392 437) no Hoare annotation was computed. [2019-09-20 13:04:46,380 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 392 437) no Hoare annotation was computed. [2019-09-20 13:04:46,380 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 705 750) no Hoare annotation was computed. [2019-09-20 13:04:46,380 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 732) no Hoare annotation was computed. [2019-09-20 13:04:46,380 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 739) no Hoare annotation was computed. [2019-09-20 13:04:46,380 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 739) no Hoare annotation was computed. [2019-09-20 13:04:46,380 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 705 750) no Hoare annotation was computed. [2019-09-20 13:04:46,380 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 705 750) no Hoare annotation was computed. [2019-09-20 13:04:46,380 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:46,381 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2019-09-20 13:04:46,381 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2019-09-20 13:04:46,381 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2019-09-20 13:04:46,381 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-09-20 13:04:46,381 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-09-20 13:04:46,381 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-09-20 13:04:46,381 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2019-09-20 13:04:46,381 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2019-09-20 13:04:46,382 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-09-20 13:04:46,382 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2019-09-20 13:04:46,382 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2019-09-20 13:04:46,382 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2019-09-20 13:04:46,382 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2019-09-20 13:04:46,382 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2019-09-20 13:04:46,382 INFO L439 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2019-09-20 13:04:46,382 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2019-09-20 13:04:46,383 INFO L439 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-09-20 13:04:46,383 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2019-09-20 13:04:46,383 INFO L439 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 .cse0 (= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-09-20 13:04:46,383 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,383 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2019-09-20 13:04:46,383 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-09-20 13:04:46,383 INFO L443 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-09-20 13:04:46,384 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2019-09-20 13:04:46,384 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2019-09-20 13:04:46,384 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2019-09-20 13:04:46,384 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:46,384 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2019-09-20 13:04:46,384 INFO L439 ceAbstractionStarter]: At program point L368(lines 319 369) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:46,384 INFO L439 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse3) (and .cse1 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:46,385 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2019-09-20 13:04:46,385 INFO L439 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse4) (and .cse0 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:46,385 INFO L443 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2019-09-20 13:04:46,385 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2019-09-20 13:04:46,385 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:46,385 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2019-09-20 13:04:46,386 INFO L443 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2019-09-20 13:04:46,386 INFO L439 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:46,386 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:46,386 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2019-09-20 13:04:46,386 INFO L443 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2019-09-20 13:04:46,386 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2019-09-20 13:04:46,386 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2019-09-20 13:04:46,386 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-09-20 13:04:46,387 INFO L443 ceAbstractionStarter]: For program point L673-1(lines 673 693) no Hoare annotation was computed. [2019-09-20 13:04:46,387 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 659 704) no Hoare annotation was computed. [2019-09-20 13:04:46,387 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 659 704) no Hoare annotation was computed. [2019-09-20 13:04:46,387 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 659 704) no Hoare annotation was computed. [2019-09-20 13:04:46,387 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 686) no Hoare annotation was computed. [2019-09-20 13:04:46,387 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0))) [2019-09-20 13:04:46,387 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2019-09-20 13:04:46,387 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2019-09-20 13:04:46,388 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2019-09-20 13:04:46,388 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2019-09-20 13:04:46,388 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2019-09-20 13:04:46,388 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 925 947) no Hoare annotation was computed. [2019-09-20 13:04:46,388 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 925 947) no Hoare annotation was computed. [2019-09-20 13:04:46,388 INFO L443 ceAbstractionStarter]: For program point L933(lines 933 941) no Hoare annotation was computed. [2019-09-20 13:04:46,388 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 925 947) no Hoare annotation was computed. [2019-09-20 13:04:46,388 INFO L443 ceAbstractionStarter]: For program point L933-2(lines 933 941) no Hoare annotation was computed. [2019-09-20 13:04:46,388 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 611) no Hoare annotation was computed. [2019-09-20 13:04:46,389 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 556 658) no Hoare annotation was computed. [2019-09-20 13:04:46,389 INFO L443 ceAbstractionStarter]: For program point L605-2(lines 605 625) no Hoare annotation was computed. [2019-09-20 13:04:46,389 INFO L443 ceAbstractionStarter]: For program point L626(lines 604 627) no Hoare annotation was computed. [2019-09-20 13:04:46,389 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 601) no Hoare annotation was computed. [2019-09-20 13:04:46,389 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 556 658) no Hoare annotation was computed. [2019-09-20 13:04:46,389 INFO L443 ceAbstractionStarter]: For program point L645(lines 645 652) no Hoare annotation was computed. [2019-09-20 13:04:46,389 INFO L443 ceAbstractionStarter]: For program point L606(lines 605 625) no Hoare annotation was computed. [2019-09-20 13:04:46,389 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-09-20 13:04:46,389 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-09-20 13:04:46,390 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 643) no Hoare annotation was computed. [2019-09-20 13:04:46,390 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 556 658) no Hoare annotation was computed. [2019-09-20 13:04:46,390 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-09-20 13:04:46,390 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-09-20 13:04:46,390 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-09-20 13:04:46,390 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 655) no Hoare annotation was computed. [2019-09-20 13:04:46,390 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 982 991) no Hoare annotation was computed. [2019-09-20 13:04:46,390 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 982 991) no Hoare annotation was computed. [2019-09-20 13:04:46,391 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 982 991) no Hoare annotation was computed. [2019-09-20 13:04:46,391 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:46,391 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~waterLevel~0)| ~waterLevel~0) [2019-09-20 13:04:46,391 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:46,391 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,391 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-09-20 13:04:46,391 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2019-09-20 13:04:46,392 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,392 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,392 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2019-09-20 13:04:46,392 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-09-20 13:04:46,392 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-09-20 13:04:46,392 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-09-20 13:04:46,392 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-09-20 13:04:46,393 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2019-09-20 13:04:46,393 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-09-20 13:04:46,393 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-09-20 13:04:46,393 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-09-20 13:04:46,393 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 948 956) no Hoare annotation was computed. [2019-09-20 13:04:46,393 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 948 956) no Hoare annotation was computed. [2019-09-20 13:04:46,393 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 948 956) no Hoare annotation was computed. [2019-09-20 13:04:46,394 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1 .cse2) (or .cse1 (= ~systemActive~0 0) .cse2))) [2019-09-20 13:04:46,394 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2019-09-20 13:04:46,394 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2019-09-20 13:04:46,394 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:46,394 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:04:46,394 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:46,394 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2019-09-20 13:04:46,394 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2019-09-20 13:04:46,395 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2019-09-20 13:04:46,395 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse3 .cse2))) [2019-09-20 13:04:46,395 INFO L443 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2019-09-20 13:04:46,395 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse4 (= ~pumpRunning~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse0 .cse5 .cse4)))) [2019-09-20 13:04:46,395 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2019-09-20 13:04:46,395 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2019-09-20 13:04:46,396 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0))) [2019-09-20 13:04:46,396 INFO L439 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse4 .cse3))) (and (or .cse0 .cse1 .cse2) (or .cse0 (= ~systemActive~0 0) .cse3) (or .cse1 (and (<= 2 ~waterLevel~0) .cse4 (not (= 0 ~systemActive~0))) .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2019-09-20 13:04:46,396 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2019-09-20 13:04:46,396 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2019-09-20 13:04:46,396 INFO L446 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2019-09-20 13:04:46,396 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2019-09-20 13:04:46,397 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-09-20 13:04:46,397 INFO L446 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2019-09-20 13:04:46,397 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-09-20 13:04:46,397 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-09-20 13:04:46,397 INFO L446 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2019-09-20 13:04:46,397 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-09-20 13:04:46,397 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2019-09-20 13:04:46,398 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2019-09-20 13:04:46,398 INFO L443 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2019-09-20 13:04:46,398 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2019-09-20 13:04:46,398 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2019-09-20 13:04:46,398 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:46,398 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:04:46,398 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:46,398 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:46,399 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,399 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,399 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-09-20 13:04:46,399 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,399 INFO L443 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2019-09-20 13:04:46,399 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2019-09-20 13:04:46,399 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-09-20 13:04:46,399 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2019-09-20 13:04:46,400 INFO L443 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2019-09-20 13:04:46,400 INFO L439 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0)))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:46,400 INFO L443 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2019-09-20 13:04:46,400 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2019-09-20 13:04:46,400 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~systemActive~0 0) .cse1) (or .cse0 .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2))) [2019-09-20 13:04:46,400 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2019-09-20 13:04:46,400 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2019-09-20 13:04:46,401 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2019-09-20 13:04:46,401 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2019-09-20 13:04:46,401 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2019-09-20 13:04:46,401 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-09-20 13:04:46,401 INFO L439 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-09-20 13:04:46,401 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2019-09-20 13:04:46,401 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-09-20 13:04:46,401 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2019-09-20 13:04:46,402 INFO L443 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2019-09-20 13:04:46,402 INFO L446 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2019-09-20 13:04:46,402 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-09-20 13:04:46,402 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2019-09-20 13:04:46,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:04:46 BoogieIcfgContainer [2019-09-20 13:04:46,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:04:46,421 INFO L168 Benchmark]: Toolchain (without parser) took 19100.14 ms. Allocated memory was 131.6 MB in the beginning and 572.5 MB in the end (delta: 440.9 MB). Free memory was 86.8 MB in the beginning and 319.2 MB in the end (delta: -232.4 MB). Peak memory consumption was 461.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:46,422 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:04:46,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.31 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.6 MB in the beginning and 162.9 MB in the end (delta: -76.3 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:46,424 INFO L168 Benchmark]: Boogie Preprocessor took 89.07 ms. Allocated memory is still 198.7 MB. Free memory was 162.9 MB in the beginning and 158.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:46,425 INFO L168 Benchmark]: RCFGBuilder took 1355.44 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 158.3 MB in the beginning and 186.4 MB in the end (delta: -28.1 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:46,425 INFO L168 Benchmark]: TraceAbstraction took 16902.25 ms. Allocated memory was 220.2 MB in the beginning and 572.5 MB in the end (delta: 352.3 MB). Free memory was 185.0 MB in the beginning and 319.2 MB in the end (delta: -134.2 MB). Peak memory consumption was 470.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:46,429 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.31 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.6 MB in the beginning and 162.9 MB in the end (delta: -76.3 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.07 ms. Allocated memory is still 198.7 MB. Free memory was 162.9 MB in the beginning and 158.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1355.44 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 158.3 MB in the beginning and 186.4 MB in the end (delta: -28.1 MB). Peak memory consumption was 91.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16902.25 ms. Allocated memory was 220.2 MB in the beginning and 572.5 MB in the end (delta: 352.3 MB). Free memory was 185.0 MB in the beginning and 319.2 MB in the end (delta: -134.2 MB). Peak memory consumption was 470.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: 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: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(\old(systemActive) == 1)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 1 error locations. SAFE Result, 16.8s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 5.8s AutomataDifference, 0.0s DeadEndRemovalTime, 6.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2506 SDtfs, 1879 SDslu, 9011 SDs, 0 SdLazy, 3568 SolverSat, 481 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 594 GetRequests, 488 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2393occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 408 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 4913 PreInvPairs, 5267 NumberOfFragments, 1606 HoareAnnotationTreeSize, 4913 FomulaSimplifications, 8344 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 71 FomulaSimplificationsInter, 29269 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1497 NumberOfCodeBlocks, 1497 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1483 ConstructedInterpolants, 0 QuantifiedInterpolants, 284974 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2682 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 221/231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...