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_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:38:17,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:38:17,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:38:17,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:38:17,170 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:38:17,172 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:38:17,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:38:17,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:38:17,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:38:17,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:38:17,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:38:17,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:38:17,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:38:17,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:38:17,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:38:17,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:38:17,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:38:17,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:38:17,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:38:17,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:38:17,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:38:17,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:38:17,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:38:17,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:38:17,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:38:17,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:38:17,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:38:17,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:38:17,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:38:17,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:38:17,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:38:17,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:38:17,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:38:17,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:38:17,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:38:17,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:38:17,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:38:17,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:38:17,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:38:17,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:38:17,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:38:17,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:38:17,269 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:38:17,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:38:17,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:38:17,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:38:17,274 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:38:17,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:38:17,275 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:38:17,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:38:17,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:38:17,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:38:17,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:38:17,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:38:17,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:38:17,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:38:17,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:38:17,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:38:17,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:38:17,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:38:17,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:38:17,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:38:17,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:38:17,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:17,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:38:17,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:38:17,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:38:17,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:38:17,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:38:17,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:38:17,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:38:17,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:38:17,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:38:17,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:38:17,605 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:38:17,606 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:38:17,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-10-14 23:38:17,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6a55b809/215ee189a444470b92e3be0edef10e45/FLAG0f2edec9c [2019-10-14 23:38:18,274 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:38:18,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2019-10-14 23:38:18,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6a55b809/215ee189a444470b92e3be0edef10e45/FLAG0f2edec9c [2019-10-14 23:38:18,548 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6a55b809/215ee189a444470b92e3be0edef10e45 [2019-10-14 23:38:18,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:38:18,562 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:38:18,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:18,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:38:18,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:38:18,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:18" (1/1) ... [2019-10-14 23:38:18,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63f1e481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:18, skipping insertion in model container [2019-10-14 23:38:18,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:38:18" (1/1) ... [2019-10-14 23:38:18,577 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:38:18,628 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:38:19,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:19,101 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:38:19,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:38:19,211 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:38:19,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19 WrapperNode [2019-10-14 23:38:19,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:38:19,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:38:19,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:38:19,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:38:19,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19" (1/1) ... [2019-10-14 23:38:19,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19" (1/1) ... [2019-10-14 23:38:19,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19" (1/1) ... [2019-10-14 23:38:19,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19" (1/1) ... [2019-10-14 23:38:19,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19" (1/1) ... [2019-10-14 23:38:19,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19" (1/1) ... [2019-10-14 23:38:19,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19" (1/1) ... [2019-10-14 23:38:19,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:38:19,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:38:19,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:38:19,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:38:19,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:38:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:38:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:38:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:38:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:38:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:38:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:38:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:38:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:38:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:38:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:38:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-14 23:38:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-14 23:38:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-14 23:38:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:38:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-14 23:38:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-14 23:38:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-14 23:38:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-14 23:38:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-14 23:38:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-14 23:38:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-14 23:38:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-14 23:38:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-14 23:38:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-14 23:38:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-14 23:38:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-14 23:38:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-14 23:38:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-14 23:38:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-14 23:38:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-14 23:38:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-14 23:38:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:38:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-14 23:38:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:38:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:38:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:38:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:38:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:38:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:38:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:38:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:38:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:38:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:38:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:38:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:38:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:38:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:38:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:38:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:38:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:38:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:38:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:38:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:38:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:38:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:38:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:38:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-14 23:38:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-14 23:38:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-14 23:38:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:38:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:38:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:38:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:38:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-14 23:38:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-14 23:38:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-14 23:38:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-14 23:38:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-14 23:38:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-14 23:38:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-14 23:38:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-14 23:38:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-14 23:38:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-14 23:38:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-14 23:38:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-14 23:38:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-14 23:38:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-14 23:38:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-14 23:38:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-14 23:38:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-14 23:38:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-14 23:38:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-14 23:38:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:38:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:38:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-14 23:38:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:38:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:38:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:38:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:38:20,549 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:38:20,550 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 23:38:20,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:20 BoogieIcfgContainer [2019-10-14 23:38:20,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:38:20,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:38:20,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:38:20,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:38:20,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:38:18" (1/3) ... [2019-10-14 23:38:20,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19acf088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:20, skipping insertion in model container [2019-10-14 23:38:20,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:38:19" (2/3) ... [2019-10-14 23:38:20,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19acf088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:38:20, skipping insertion in model container [2019-10-14 23:38:20,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:38:20" (3/3) ... [2019-10-14 23:38:20,560 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2019-10-14 23:38:20,569 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:38:20,576 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:38:20,586 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:38:20,612 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:38:20,612 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:38:20,612 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:38:20,612 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:38:20,612 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:38:20,612 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:38:20,613 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:38:20,613 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:38:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-14 23:38:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-14 23:38:20,642 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:20,643 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:20,645 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:20,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:20,651 INFO L82 PathProgramCache]: Analyzing trace with hash 613458754, now seen corresponding path program 1 times [2019-10-14 23:38:20,660 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:20,660 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166205622] [2019-10-14 23:38:20,660 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:20,661 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:20,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:21,344 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:21,415 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166205622] [2019-10-14 23:38:21,416 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:21,416 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:38:21,416 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585052550] [2019-10-14 23:38:21,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:38:21,422 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:21,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:38:21,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:21,438 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2019-10-14 23:38:22,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:22,505 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2019-10-14 23:38:22,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:38:22,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2019-10-14 23:38:22,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:22,535 INFO L225 Difference]: With dead ends: 270 [2019-10-14 23:38:22,535 INFO L226 Difference]: Without dead ends: 147 [2019-10-14 23:38:22,544 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:38:22,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-14 23:38:22,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2019-10-14 23:38:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-14 23:38:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2019-10-14 23:38:22,623 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2019-10-14 23:38:22,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:22,624 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2019-10-14 23:38:22,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:38:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2019-10-14 23:38:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-14 23:38:22,628 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:22,628 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:22,628 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:22,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:22,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1236074797, now seen corresponding path program 1 times [2019-10-14 23:38:22,629 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:22,629 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600082994] [2019-10-14 23:38:22,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:22,630 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:22,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:23,005 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:23,065 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600082994] [2019-10-14 23:38:23,066 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:23,066 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-14 23:38:23,066 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916812532] [2019-10-14 23:38:23,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-14 23:38:23,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:23,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-14 23:38:23,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-14 23:38:23,069 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2019-10-14 23:38:23,546 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:24,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:24,253 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2019-10-14 23:38:24,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-14 23:38:24,254 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-10-14 23:38:24,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:24,257 INFO L225 Difference]: With dead ends: 193 [2019-10-14 23:38:24,257 INFO L226 Difference]: Without dead ends: 131 [2019-10-14 23:38:24,259 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-14 23:38:24,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-14 23:38:24,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2019-10-14 23:38:24,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-14 23:38:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2019-10-14 23:38:24,292 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2019-10-14 23:38:24,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:24,293 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2019-10-14 23:38:24,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-14 23:38:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2019-10-14 23:38:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-14 23:38:24,300 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:24,301 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:24,301 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:24,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:24,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1340711329, now seen corresponding path program 1 times [2019-10-14 23:38:24,304 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:24,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386920234] [2019-10-14 23:38:24,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,305 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:24,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,756 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:24,895 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386920234] [2019-10-14 23:38:24,895 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:24,895 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:38:24,896 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137483375] [2019-10-14 23:38:24,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:38:24,897 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:24,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:38:24,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:38:24,898 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2019-10-14 23:38:25,401 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:25,757 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:26,085 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:26,363 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:27,229 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:28,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:28,864 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2019-10-14 23:38:28,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:38:28,868 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2019-10-14 23:38:28,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:28,872 INFO L225 Difference]: With dead ends: 366 [2019-10-14 23:38:28,872 INFO L226 Difference]: Without dead ends: 285 [2019-10-14 23:38:28,873 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:38:28,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2019-10-14 23:38:28,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2019-10-14 23:38:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2019-10-14 23:38:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2019-10-14 23:38:28,936 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2019-10-14 23:38:28,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:28,936 INFO L462 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2019-10-14 23:38:28,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:38:28,937 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2019-10-14 23:38:28,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-14 23:38:28,939 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:28,939 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:28,939 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:28,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:28,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1244554845, now seen corresponding path program 1 times [2019-10-14 23:38:28,940 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:28,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306686245] [2019-10-14 23:38:28,941 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:28,941 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:28,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:29,323 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:29,444 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306686245] [2019-10-14 23:38:29,445 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:29,445 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:38:29,445 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558715188] [2019-10-14 23:38:29,446 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:38:29,446 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:29,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:38:29,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:38:29,449 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 12 states. [2019-10-14 23:38:30,049 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:30,425 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:30,694 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:30,977 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:31,600 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 23:38:32,516 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:32,926 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:33,243 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:33,538 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 23:38:33,830 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:34,207 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:34,551 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2019-10-14 23:38:34,847 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:35,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:35,929 INFO L93 Difference]: Finished difference Result 891 states and 1198 transitions. [2019-10-14 23:38:35,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-14 23:38:35,930 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2019-10-14 23:38:35,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:35,939 INFO L225 Difference]: With dead ends: 891 [2019-10-14 23:38:35,939 INFO L226 Difference]: Without dead ends: 691 [2019-10-14 23:38:35,942 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2019-10-14 23:38:35,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-14 23:38:36,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 594. [2019-10-14 23:38:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-10-14 23:38:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 736 transitions. [2019-10-14 23:38:36,080 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 736 transitions. Word has length 57 [2019-10-14 23:38:36,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:36,081 INFO L462 AbstractCegarLoop]: Abstraction has 594 states and 736 transitions. [2019-10-14 23:38:36,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:38:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2019-10-14 23:38:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-14 23:38:36,084 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:36,085 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:36,085 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:36,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:36,085 INFO L82 PathProgramCache]: Analyzing trace with hash 520525257, now seen corresponding path program 1 times [2019-10-14 23:38:36,086 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:36,086 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218323154] [2019-10-14 23:38:36,086 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:36,086 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:36,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,368 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:38:36,440 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218323154] [2019-10-14 23:38:36,440 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:38:36,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-14 23:38:36,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403197931] [2019-10-14 23:38:36,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-14 23:38:36,441 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:36,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-14 23:38:36,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-14 23:38:36,442 INFO L87 Difference]: Start difference. First operand 594 states and 736 transitions. Second operand 6 states. [2019-10-14 23:38:36,827 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-10-14 23:38:37,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:37,744 INFO L93 Difference]: Finished difference Result 1039 states and 1358 transitions. [2019-10-14 23:38:37,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-14 23:38:37,745 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-10-14 23:38:37,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:37,749 INFO L225 Difference]: With dead ends: 1039 [2019-10-14 23:38:37,749 INFO L226 Difference]: Without dead ends: 469 [2019-10-14 23:38:37,752 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:38:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-10-14 23:38:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 402. [2019-10-14 23:38:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2019-10-14 23:38:37,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 461 transitions. [2019-10-14 23:38:37,816 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 461 transitions. Word has length 61 [2019-10-14 23:38:37,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:37,816 INFO L462 AbstractCegarLoop]: Abstraction has 402 states and 461 transitions. [2019-10-14 23:38:37,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-14 23:38:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 461 transitions. [2019-10-14 23:38:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-14 23:38:37,819 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:38:37,819 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:38:37,819 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:38:37,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:38:37,820 INFO L82 PathProgramCache]: Analyzing trace with hash -175028075, now seen corresponding path program 1 times [2019-10-14 23:38:37,820 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:38:37,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937452457] [2019-10-14 23:38:37,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:37,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:38:37,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:38:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,136 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-14 23:38:38,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937452457] [2019-10-14 23:38:38,266 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511589163] [2019-10-14 23:38:38,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:38:38,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-14 23:38:38,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-14 23:38:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-14 23:38:38,686 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-14 23:38:38,687 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2019-10-14 23:38:38,687 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104024242] [2019-10-14 23:38:38,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-14 23:38:38,688 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:38:38,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-14 23:38:38,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:38:38,689 INFO L87 Difference]: Start difference. First operand 402 states and 461 transitions. Second operand 15 states. [2019-10-14 23:38:39,695 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:40,497 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2019-10-14 23:38:41,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:38:41,720 INFO L93 Difference]: Finished difference Result 565 states and 675 transitions. [2019-10-14 23:38:41,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:38:41,720 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 89 [2019-10-14 23:38:41,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:38:41,721 INFO L225 Difference]: With dead ends: 565 [2019-10-14 23:38:41,721 INFO L226 Difference]: Without dead ends: 0 [2019-10-14 23:38:41,723 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:38:41,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-14 23:38:41,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-14 23:38:41,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-14 23:38:41,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-14 23:38:41,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-14 23:38:41,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:38:41,726 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-14 23:38:41,726 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-14 23:38:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-14 23:38:41,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-14 23:38:41,931 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-14 23:38:41,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-14 23:38:42,191 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 205 [2019-10-14 23:38:42,403 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 205 [2019-10-14 23:38:42,538 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 212 [2019-10-14 23:38:43,466 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 205 [2019-10-14 23:38:45,418 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:45,592 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:45,843 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2019-10-14 23:38:46,223 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:46,348 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2019-10-14 23:38:46,539 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:47,095 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2019-10-14 23:38:47,336 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2019-10-14 23:38:47,930 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-14 23:38:48,110 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:48,636 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2019-10-14 23:38:49,237 WARN L191 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2019-10-14 23:38:49,426 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:49,981 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 21 [2019-10-14 23:38:50,244 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:50,421 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-10-14 23:38:50,575 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:50,733 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:51,221 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2019-10-14 23:38:51,399 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2019-10-14 23:38:51,983 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 21 [2019-10-14 23:38:52,150 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2019-10-14 23:38:52,694 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-14 23:38:52,698 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-14 23:38:52,698 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-14 23:38:52,698 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-14 23:38:52,698 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2019-10-14 23:38:52,698 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-14 23:38:52,698 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-14 23:38:52,699 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-10-14 23:38:52,699 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-14 23:38:52,699 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-14 23:38:52,699 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2019-10-14 23:38:52,699 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-14 23:38:52,699 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-14 23:38:52,699 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-14 23:38:52,699 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-14 23:38:52,700 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-14 23:38:52,700 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-14 23:38:52,700 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-14 23:38:52,700 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-14 23:38:52,700 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2019-10-14 23:38:52,700 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2019-10-14 23:38:52,700 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2019-10-14 23:38:52,701 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2019-10-14 23:38:52,701 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2019-10-14 23:38:52,701 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2019-10-14 23:38:52,701 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2019-10-14 23:38:52,701 INFO L439 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,702 INFO L443 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2019-10-14 23:38:52,702 INFO L439 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,702 INFO L443 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2019-10-14 23:38:52,702 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2019-10-14 23:38:52,702 INFO L443 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2019-10-14 23:38:52,702 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-14 23:38:52,702 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-10-14 23:38:52,703 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 848 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-14 23:38:52,703 INFO L439 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (or (and (= main_~tmp~7 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,703 INFO L439 ceAbstractionStarter]: At program point L860-1(line 860) the Hoare annotation is: (or (and (= main_~tmp~7 ~waterLevel~0) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,703 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-10-14 23:38:52,703 INFO L443 ceAbstractionStarter]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2019-10-14 23:38:52,704 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2019-10-14 23:38:52,704 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-10-14 23:38:52,704 INFO L439 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-14 23:38:52,704 INFO L439 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-14 23:38:52,704 INFO L439 ceAbstractionStarter]: At program point L854-1(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-14 23:38:52,704 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2019-10-14 23:38:52,704 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2019-10-14 23:38:52,705 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2019-10-14 23:38:52,705 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2019-10-14 23:38:52,705 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-10-14 23:38:52,705 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-14 23:38:52,705 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-14 23:38:52,705 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-14 23:38:52,705 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-14 23:38:52,706 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-14 23:38:52,706 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-14 23:38:52,706 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-14 23:38:52,706 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-14 23:38:52,706 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-14 23:38:52,706 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-14 23:38:52,706 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-14 23:38:52,707 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-14 23:38:52,707 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-14 23:38:52,707 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2019-10-14 23:38:52,707 INFO L439 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) [2019-10-14 23:38:52,707 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2019-10-14 23:38:52,707 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (or .cse1 (not (= ~waterLevel~0 1))) .cse0))) [2019-10-14 23:38:52,708 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2019-10-14 23:38:52,708 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2019-10-14 23:38:52,708 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2019-10-14 23:38:52,708 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2019-10-14 23:38:52,708 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2019-10-14 23:38:52,708 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2019-10-14 23:38:52,708 INFO L446 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2019-10-14 23:38:52,709 INFO L443 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2019-10-14 23:38:52,709 INFO L443 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2019-10-14 23:38:52,709 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2019-10-14 23:38:52,709 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2019-10-14 23:38:52,709 INFO L443 ceAbstractionStarter]: For program point L635(line 635) no Hoare annotation was computed. [2019-10-14 23:38:52,709 INFO L443 ceAbstractionStarter]: For program point L635-1(line 635) no Hoare annotation was computed. [2019-10-14 23:38:52,709 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 632) no Hoare annotation was computed. [2019-10-14 23:38:52,709 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2019-10-14 23:38:52,710 INFO L443 ceAbstractionStarter]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2019-10-14 23:38:52,710 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2019-10-14 23:38:52,710 INFO L443 ceAbstractionStarter]: For program point L612(lines 612 620) no Hoare annotation was computed. [2019-10-14 23:38:52,710 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2019-10-14 23:38:52,710 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2019-10-14 23:38:52,710 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2019-10-14 23:38:52,710 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2019-10-14 23:38:52,710 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-14 23:38:52,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-14 23:38:52,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2019-10-14 23:38:52,711 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 402) no Hoare annotation was computed. [2019-10-14 23:38:52,711 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2019-10-14 23:38:52,711 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2019-10-14 23:38:52,711 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-14 23:38:52,711 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-14 23:38:52,711 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 395) no Hoare annotation was computed. [2019-10-14 23:38:52,712 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-14 23:38:52,712 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2019-10-14 23:38:52,712 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2019-10-14 23:38:52,712 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2019-10-14 23:38:52,712 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-14 23:38:52,712 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-10-14 23:38:52,712 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2019-10-14 23:38:52,713 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2019-10-14 23:38:52,713 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2019-10-14 23:38:52,713 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2019-10-14 23:38:52,713 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2019-10-14 23:38:52,713 INFO L439 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:38:52,713 INFO L443 ceAbstractionStarter]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2019-10-14 23:38:52,713 INFO L439 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,714 INFO L439 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,714 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2019-10-14 23:38:52,714 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2019-10-14 23:38:52,714 INFO L439 ceAbstractionStarter]: At program point L532(line 532) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,714 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:38:52,714 INFO L443 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2019-10-14 23:38:52,715 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2019-10-14 23:38:52,715 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2019-10-14 23:38:52,715 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2019-10-14 23:38:52,715 INFO L439 ceAbstractionStarter]: At program point L929(lines 882 931) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:52,715 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 872 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-14 23:38:52,715 INFO L439 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:52,715 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2019-10-14 23:38:52,716 INFO L443 ceAbstractionStarter]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2019-10-14 23:38:52,716 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2019-10-14 23:38:52,716 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 888) no Hoare annotation was computed. [2019-10-14 23:38:52,716 INFO L439 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,716 INFO L439 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (let ((.cse1 (= 0 test_~splverifierCounter~0)) (.cse0 (= ~pumpRunning~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (and .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0) (not (= |old(~waterLevel~0)| 1)))) [2019-10-14 23:38:52,716 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2019-10-14 23:38:52,717 INFO L439 ceAbstractionStarter]: At program point L920-1(lines 912 927) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:52,717 INFO L443 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2019-10-14 23:38:52,717 INFO L439 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-14 23:38:52,717 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2019-10-14 23:38:52,717 INFO L439 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1))) [2019-10-14 23:38:52,717 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2019-10-14 23:38:52,717 INFO L443 ceAbstractionStarter]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2019-10-14 23:38:52,718 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2019-10-14 23:38:52,718 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-14 23:38:52,718 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2019-10-14 23:38:52,718 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-14 23:38:52,718 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2019-10-14 23:38:52,718 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 356) no Hoare annotation was computed. [2019-10-14 23:38:52,718 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2019-10-14 23:38:52,718 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2019-10-14 23:38:52,719 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 551 558) no Hoare annotation was computed. [2019-10-14 23:38:52,719 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2019-10-14 23:38:52,719 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2019-10-14 23:38:52,719 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2019-10-14 23:38:52,719 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2019-10-14 23:38:52,719 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2019-10-14 23:38:52,719 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2019-10-14 23:38:52,719 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 749) no Hoare annotation was computed. [2019-10-14 23:38:52,720 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 733 755) no Hoare annotation was computed. [2019-10-14 23:38:52,720 INFO L443 ceAbstractionStarter]: For program point L741-2(lines 741 749) no Hoare annotation was computed. [2019-10-14 23:38:52,720 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-14 23:38:52,720 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-14 23:38:52,720 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-14 23:38:52,720 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-10-14 23:38:52,720 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-14 23:38:52,721 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-14 23:38:52,721 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-14 23:38:52,721 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-14 23:38:52,721 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-14 23:38:52,721 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-14 23:38:52,721 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-14 23:38:52,721 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-14 23:38:52,721 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-10-14 23:38:52,722 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-14 23:38:52,722 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-14 23:38:52,722 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-14 23:38:52,722 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2019-10-14 23:38:52,722 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 447 456) no Hoare annotation was computed. [2019-10-14 23:38:52,722 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2019-10-14 23:38:52,722 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,723 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2019-10-14 23:38:52,723 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,723 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2019-10-14 23:38:52,723 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-14 23:38:52,723 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2019-10-14 23:38:52,723 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2019-10-14 23:38:52,724 INFO L443 ceAbstractionStarter]: For program point L567(lines 567 573) no Hoare annotation was computed. [2019-10-14 23:38:52,724 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-14 23:38:52,724 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-10-14 23:38:52,724 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2019-10-14 23:38:52,724 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2019-10-14 23:38:52,724 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2019-10-14 23:38:52,724 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,725 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,725 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,725 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2019-10-14 23:38:52,725 INFO L443 ceAbstractionStarter]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2019-10-14 23:38:52,725 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2019-10-14 23:38:52,725 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2019-10-14 23:38:52,725 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 724 732) no Hoare annotation was computed. [2019-10-14 23:38:52,726 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2019-10-14 23:38:52,726 INFO L439 ceAbstractionStarter]: At program point L507(line 507) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (and (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:52,726 INFO L439 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:52,726 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-14 23:38:52,726 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 516) no Hoare annotation was computed. [2019-10-14 23:38:52,727 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (and (= 1 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))))) [2019-10-14 23:38:52,727 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2019-10-14 23:38:52,727 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2019-10-14 23:38:52,727 INFO L446 ceAbstractionStarter]: At program point L801(lines 776 805) the Hoare annotation is: true [2019-10-14 23:38:52,727 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2019-10-14 23:38:52,727 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-14 23:38:52,727 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2019-10-14 23:38:52,727 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-10-14 23:38:52,728 INFO L446 ceAbstractionStarter]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2019-10-14 23:38:52,728 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-14 23:38:52,728 INFO L446 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2019-10-14 23:38:52,728 INFO L446 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2019-10-14 23:38:52,728 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-10-14 23:38:52,728 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2019-10-14 23:38:52,728 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2019-10-14 23:38:52,729 INFO L443 ceAbstractionStarter]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2019-10-14 23:38:52,729 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2019-10-14 23:38:52,729 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2019-10-14 23:38:52,729 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,729 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-14 23:38:52,729 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-14 23:38:52,729 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-14 23:38:52,729 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2019-10-14 23:38:52,730 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 |old(~systemActive~0)|))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2019-10-14 23:38:52,730 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2019-10-14 23:38:52,730 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2019-10-14 23:38:52,730 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2019-10-14 23:38:52,730 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) [2019-10-14 23:38:52,730 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-14 23:38:52,731 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-14 23:38:52,731 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-14 23:38:52,731 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-14 23:38:52,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:38:52 BoogieIcfgContainer [2019-10-14 23:38:52,745 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:38:52,747 INFO L168 Benchmark]: Toolchain (without parser) took 34184.91 ms. Allocated memory was 140.0 MB in the beginning and 629.7 MB in the end (delta: 489.7 MB). Free memory was 102.5 MB in the beginning and 176.8 MB in the end (delta: -74.3 MB). Peak memory consumption was 480.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,748 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.93 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 102.3 MB in the beginning and 168.2 MB in the end (delta: -65.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,750 INFO L168 Benchmark]: Boogie Preprocessor took 123.19 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 164.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,751 INFO L168 Benchmark]: RCFGBuilder took 1215.44 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 163.8 MB in the beginning and 189.9 MB in the end (delta: -26.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,752 INFO L168 Benchmark]: TraceAbstraction took 32192.43 ms. Allocated memory was 233.3 MB in the beginning and 629.7 MB in the end (delta: 396.4 MB). Free memory was 189.9 MB in the beginning and 176.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 474.9 MB. Max. memory is 7.1 GB. [2019-10-14 23:38:52,758 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.93 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 102.3 MB in the beginning and 168.2 MB in the end (delta: -65.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.19 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 164.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1215.44 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 163.8 MB in the beginning and 189.9 MB in the end (delta: -26.2 MB). Peak memory consumption was 77.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32192.43 ms. Allocated memory was 233.3 MB in the beginning and 629.7 MB in the end (delta: 396.4 MB). Free memory was 189.9 MB in the beginning and 176.8 MB in the end (delta: 13.1 MB). Peak memory consumption was 474.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == \old(waterLevel)) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Result: SAFE, OverallTime: 32.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, HoareTripleCheckerStatistics: 606 SDtfs, 1301 SDslu, 695 SDs, 0 SdLazy, 3302 SolverSat, 926 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 284 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 644 PreInvPairs, 712 NumberOfFragments, 1050 HoareAnnotationTreeSize, 644 FomulaSimplifications, 173073 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 54 FomulaSimplificationsInter, 18033 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 127166 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 45/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...