java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:26,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:26,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:26,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:26,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:26,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:26,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:26,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:26,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:26,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:26,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:26,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:26,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:26,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:26,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:26,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:26,069 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:26,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:26,073 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:26,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:26,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:26,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:26,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:26,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:26,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:26,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:26,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:26,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:26,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:26,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:26,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:26,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:26,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:26,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:26,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:26,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:26,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:26,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:26,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:26,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:26,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:26,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:26,139 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:26,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:26,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:26,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:26,141 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:26,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:26,141 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:26,142 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:26,142 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:26,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:26,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:26,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:26,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:26,143 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:26,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:26,143 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:26,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:26,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:26,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:26,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:26,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:26,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:26,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:26,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:26,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:26,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:26,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:26,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:26,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:26,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:26,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:26,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:26,459 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:26,460 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:26,460 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product58.cil.c [2019-10-13 21:21:26,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de99b5a0e/0f0686606a2e4ff5bb3715cb3d262e0d/FLAG59e8dd18f [2019-10-13 21:21:27,076 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:27,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product58.cil.c [2019-10-13 21:21:27,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de99b5a0e/0f0686606a2e4ff5bb3715cb3d262e0d/FLAG59e8dd18f [2019-10-13 21:21:27,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de99b5a0e/0f0686606a2e4ff5bb3715cb3d262e0d [2019-10-13 21:21:27,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:27,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:27,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:27,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:27,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:27,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af97dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27, skipping insertion in model container [2019-10-13 21:21:27,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,460 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:27,529 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:28,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:28,070 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:28,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:28,235 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:28,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28 WrapperNode [2019-10-13 21:21:28,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:28,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:28,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:28,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:28,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28" (1/1) ... [2019-10-13 21:21:28,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28" (1/1) ... [2019-10-13 21:21:28,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28" (1/1) ... [2019-10-13 21:21:28,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28" (1/1) ... [2019-10-13 21:21:28,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28" (1/1) ... [2019-10-13 21:21:28,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28" (1/1) ... [2019-10-13 21:21:28,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28" (1/1) ... [2019-10-13 21:21:28,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:28,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:28,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:28,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:28,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:28,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:28,401 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:28,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:28,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:28,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:28,406 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:28,406 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:28,407 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:28,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:28,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:29,529 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:29,529 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:29,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:29 BoogieIcfgContainer [2019-10-13 21:21:29,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:29,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:29,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:29,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:29,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:27" (1/3) ... [2019-10-13 21:21:29,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a7bc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:29, skipping insertion in model container [2019-10-13 21:21:29,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:28" (2/3) ... [2019-10-13 21:21:29,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a7bc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:29, skipping insertion in model container [2019-10-13 21:21:29,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:29" (3/3) ... [2019-10-13 21:21:29,541 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2019-10-13 21:21:29,551 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:29,560 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:29,572 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:29,605 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:29,606 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:29,606 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:29,606 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:29,606 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:29,606 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:29,607 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:29,607 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2019-10-13 21:21:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:29,648 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:29,649 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:29,651 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:29,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:29,655 INFO L82 PathProgramCache]: Analyzing trace with hash -743083680, now seen corresponding path program 1 times [2019-10-13 21:21:29,665 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:29,665 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703626260] [2019-10-13 21:21:29,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,666 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:30,023 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703626260] [2019-10-13 21:21:30,027 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:30,029 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997850514] [2019-10-13 21:21:30,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:30,037 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:30,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:30,066 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 2 states. [2019-10-13 21:21:30,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,111 INFO L93 Difference]: Finished difference Result 300 states and 367 transitions. [2019-10-13 21:21:30,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:30,113 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 21:21:30,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,128 INFO L225 Difference]: With dead ends: 300 [2019-10-13 21:21:30,128 INFO L226 Difference]: Without dead ends: 150 [2019-10-13 21:21:30,133 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:30,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2019-10-13 21:21:30,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-10-13 21:21:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-10-13 21:21:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2019-10-13 21:21:30,193 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 52 [2019-10-13 21:21:30,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,194 INFO L462 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2019-10-13 21:21:30,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2019-10-13 21:21:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 21:21:30,198 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,199 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] [2019-10-13 21:21:30,199 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1294042386, now seen corresponding path program 1 times [2019-10-13 21:21:30,200 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,200 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820554531] [2019-10-13 21:21:30,200 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,200 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:30,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820554531] [2019-10-13 21:21:30,368 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:30,368 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581109725] [2019-10-13 21:21:30,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:30,372 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:30,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:30,373 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand 3 states. [2019-10-13 21:21:30,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,398 INFO L93 Difference]: Finished difference Result 245 states and 285 transitions. [2019-10-13 21:21:30,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:30,399 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 21:21:30,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,402 INFO L225 Difference]: With dead ends: 245 [2019-10-13 21:21:30,402 INFO L226 Difference]: Without dead ends: 141 [2019-10-13 21:21:30,404 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:30,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-13 21:21:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-13 21:21:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-13 21:21:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2019-10-13 21:21:30,432 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 53 [2019-10-13 21:21:30,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,433 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2019-10-13 21:21:30,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2019-10-13 21:21:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 21:21:30,439 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,441 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] [2019-10-13 21:21:30,442 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,442 INFO L82 PathProgramCache]: Analyzing trace with hash 593618756, now seen corresponding path program 1 times [2019-10-13 21:21:30,442 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,443 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008411074] [2019-10-13 21:21:30,443 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,443 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:30,669 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008411074] [2019-10-13 21:21:30,669 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,669 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:30,670 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494381338] [2019-10-13 21:21:30,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:30,671 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:30,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:30,672 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2019-10-13 21:21:31,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:31,119 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2019-10-13 21:21:31,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:31,120 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-13 21:21:31,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:31,123 INFO L225 Difference]: With dead ends: 258 [2019-10-13 21:21:31,123 INFO L226 Difference]: Without dead ends: 141 [2019-10-13 21:21:31,165 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:31,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-13 21:21:31,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-10-13 21:21:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-10-13 21:21:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2019-10-13 21:21:31,182 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 58 [2019-10-13 21:21:31,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:31,183 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2019-10-13 21:21:31,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2019-10-13 21:21:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-13 21:21:31,185 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:31,186 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:31,186 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:31,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:31,186 INFO L82 PathProgramCache]: Analyzing trace with hash -16856487, now seen corresponding path program 1 times [2019-10-13 21:21:31,187 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:31,187 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595345400] [2019-10-13 21:21:31,187 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,187 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:31,282 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595345400] [2019-10-13 21:21:31,282 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:31,282 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:31,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704492432] [2019-10-13 21:21:31,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:31,283 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:31,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:31,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:31,284 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand 5 states. [2019-10-13 21:21:31,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:31,871 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2019-10-13 21:21:31,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:31,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-10-13 21:21:31,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:31,874 INFO L225 Difference]: With dead ends: 371 [2019-10-13 21:21:31,874 INFO L226 Difference]: Without dead ends: 254 [2019-10-13 21:21:31,875 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:31,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-10-13 21:21:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2019-10-13 21:21:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-10-13 21:21:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2019-10-13 21:21:31,926 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 71 [2019-10-13 21:21:31,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:31,926 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2019-10-13 21:21:31,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2019-10-13 21:21:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-13 21:21:31,932 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:31,932 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:31,933 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:31,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:31,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1762317239, now seen corresponding path program 1 times [2019-10-13 21:21:31,933 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:31,934 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070610965] [2019-10-13 21:21:31,934 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,934 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:32,080 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070610965] [2019-10-13 21:21:32,080 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:32,081 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:32,081 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113553688] [2019-10-13 21:21:32,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:32,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:32,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:32,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:32,082 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 6 states. [2019-10-13 21:21:32,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:32,304 INFO L93 Difference]: Finished difference Result 580 states and 691 transitions. [2019-10-13 21:21:32,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:32,307 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2019-10-13 21:21:32,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:32,313 INFO L225 Difference]: With dead ends: 580 [2019-10-13 21:21:32,313 INFO L226 Difference]: Without dead ends: 369 [2019-10-13 21:21:32,316 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:32,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-10-13 21:21:32,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2019-10-13 21:21:32,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-10-13 21:21:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 421 transitions. [2019-10-13 21:21:32,373 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 421 transitions. Word has length 85 [2019-10-13 21:21:32,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:32,374 INFO L462 AbstractCegarLoop]: Abstraction has 365 states and 421 transitions. [2019-10-13 21:21:32,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 421 transitions. [2019-10-13 21:21:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:21:32,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:32,377 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:32,378 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:32,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:32,378 INFO L82 PathProgramCache]: Analyzing trace with hash 25171709, now seen corresponding path program 1 times [2019-10-13 21:21:32,378 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:32,379 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828513965] [2019-10-13 21:21:32,379 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,379 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:32,550 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828513965] [2019-10-13 21:21:32,551 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:32,551 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:32,551 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865530656] [2019-10-13 21:21:32,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:32,555 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:32,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:32,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:32,556 INFO L87 Difference]: Start difference. First operand 365 states and 421 transitions. Second operand 6 states. [2019-10-13 21:21:32,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:32,841 INFO L93 Difference]: Finished difference Result 782 states and 936 transitions. [2019-10-13 21:21:32,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:32,841 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-10-13 21:21:32,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:32,848 INFO L225 Difference]: With dead ends: 782 [2019-10-13 21:21:32,849 INFO L226 Difference]: Without dead ends: 571 [2019-10-13 21:21:32,850 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:32,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2019-10-13 21:21:32,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 553. [2019-10-13 21:21:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2019-10-13 21:21:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 651 transitions. [2019-10-13 21:21:32,915 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 651 transitions. Word has length 89 [2019-10-13 21:21:32,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:32,917 INFO L462 AbstractCegarLoop]: Abstraction has 553 states and 651 transitions. [2019-10-13 21:21:32,917 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 651 transitions. [2019-10-13 21:21:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:21:32,944 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:32,944 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:32,944 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:32,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:32,945 INFO L82 PathProgramCache]: Analyzing trace with hash -897511874, now seen corresponding path program 1 times [2019-10-13 21:21:32,945 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:32,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758472485] [2019-10-13 21:21:32,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:33,029 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758472485] [2019-10-13 21:21:33,030 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:33,030 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:33,030 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90412250] [2019-10-13 21:21:33,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:33,031 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:33,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:33,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:33,032 INFO L87 Difference]: Start difference. First operand 553 states and 651 transitions. Second operand 5 states. [2019-10-13 21:21:33,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:33,071 INFO L93 Difference]: Finished difference Result 962 states and 1154 transitions. [2019-10-13 21:21:33,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:33,072 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-10-13 21:21:33,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:33,076 INFO L225 Difference]: With dead ends: 962 [2019-10-13 21:21:33,077 INFO L226 Difference]: Without dead ends: 563 [2019-10-13 21:21:33,079 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:33,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2019-10-13 21:21:33,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2019-10-13 21:21:33,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2019-10-13 21:21:33,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 654 transitions. [2019-10-13 21:21:33,120 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 654 transitions. Word has length 89 [2019-10-13 21:21:33,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:33,123 INFO L462 AbstractCegarLoop]: Abstraction has 557 states and 654 transitions. [2019-10-13 21:21:33,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 654 transitions. [2019-10-13 21:21:33,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:21:33,126 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:33,126 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:33,127 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:33,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:33,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1741517376, now seen corresponding path program 1 times [2019-10-13 21:21:33,130 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:33,130 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830430513] [2019-10-13 21:21:33,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:33,130 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:33,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:33,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830430513] [2019-10-13 21:21:33,247 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:33,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:21:33,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155625788] [2019-10-13 21:21:33,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:33,248 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:33,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:33,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:33,249 INFO L87 Difference]: Start difference. First operand 557 states and 654 transitions. Second operand 9 states. [2019-10-13 21:21:33,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:33,323 INFO L93 Difference]: Finished difference Result 1107 states and 1326 transitions. [2019-10-13 21:21:33,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:33,324 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2019-10-13 21:21:33,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:33,329 INFO L225 Difference]: With dead ends: 1107 [2019-10-13 21:21:33,330 INFO L226 Difference]: Without dead ends: 574 [2019-10-13 21:21:33,331 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:33,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2019-10-13 21:21:33,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2019-10-13 21:21:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2019-10-13 21:21:33,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 661 transitions. [2019-10-13 21:21:33,364 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 661 transitions. Word has length 89 [2019-10-13 21:21:33,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:33,365 INFO L462 AbstractCegarLoop]: Abstraction has 564 states and 661 transitions. [2019-10-13 21:21:33,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:33,365 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 661 transitions. [2019-10-13 21:21:33,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-13 21:21:33,367 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:33,368 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:33,368 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:33,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:33,368 INFO L82 PathProgramCache]: Analyzing trace with hash -124080585, now seen corresponding path program 1 times [2019-10-13 21:21:33,369 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:33,369 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234898933] [2019-10-13 21:21:33,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:33,369 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:33,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:33,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:33,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234898933] [2019-10-13 21:21:33,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116597567] [2019-10-13 21:21:33,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:33,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-13 21:21:33,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:33,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:33,819 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:34,282 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:34,282 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-13 21:21:34,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743438029] [2019-10-13 21:21:34,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:34,283 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:34,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:34,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:34,284 INFO L87 Difference]: Start difference. First operand 564 states and 661 transitions. Second operand 8 states. [2019-10-13 21:21:34,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:34,864 INFO L93 Difference]: Finished difference Result 1631 states and 1951 transitions. [2019-10-13 21:21:34,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:34,864 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2019-10-13 21:21:34,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:34,871 INFO L225 Difference]: With dead ends: 1631 [2019-10-13 21:21:34,871 INFO L226 Difference]: Without dead ends: 1091 [2019-10-13 21:21:34,873 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:34,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2019-10-13 21:21:34,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1088. [2019-10-13 21:21:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2019-10-13 21:21:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1278 transitions. [2019-10-13 21:21:34,937 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1278 transitions. Word has length 101 [2019-10-13 21:21:34,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:34,937 INFO L462 AbstractCegarLoop]: Abstraction has 1088 states and 1278 transitions. [2019-10-13 21:21:34,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1278 transitions. [2019-10-13 21:21:34,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-10-13 21:21:34,941 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:34,941 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:35,147 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:35,147 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:35,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:35,148 INFO L82 PathProgramCache]: Analyzing trace with hash 115613659, now seen corresponding path program 1 times [2019-10-13 21:21:35,148 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:35,149 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651656309] [2019-10-13 21:21:35,150 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,150 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:35,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:35,305 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651656309] [2019-10-13 21:21:35,305 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:35,305 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:35,305 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188631363] [2019-10-13 21:21:35,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:35,310 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:35,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:35,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:35,311 INFO L87 Difference]: Start difference. First operand 1088 states and 1278 transitions. Second operand 10 states. [2019-10-13 21:21:35,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:35,622 INFO L93 Difference]: Finished difference Result 2102 states and 2513 transitions. [2019-10-13 21:21:35,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:35,622 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2019-10-13 21:21:35,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:35,628 INFO L225 Difference]: With dead ends: 2102 [2019-10-13 21:21:35,629 INFO L226 Difference]: Without dead ends: 1038 [2019-10-13 21:21:35,632 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:35,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2019-10-13 21:21:35,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1022. [2019-10-13 21:21:35,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2019-10-13 21:21:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1186 transitions. [2019-10-13 21:21:35,690 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1186 transitions. Word has length 105 [2019-10-13 21:21:35,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:35,691 INFO L462 AbstractCegarLoop]: Abstraction has 1022 states and 1186 transitions. [2019-10-13 21:21:35,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1186 transitions. [2019-10-13 21:21:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-10-13 21:21:35,695 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:35,695 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:35,695 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:35,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:35,695 INFO L82 PathProgramCache]: Analyzing trace with hash -123543623, now seen corresponding path program 1 times [2019-10-13 21:21:35,696 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:35,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864093860] [2019-10-13 21:21:35,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:35,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864093860] [2019-10-13 21:21:35,811 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:35,812 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:35,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078762972] [2019-10-13 21:21:35,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:35,813 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:35,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:35,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:35,814 INFO L87 Difference]: Start difference. First operand 1022 states and 1186 transitions. Second operand 10 states. [2019-10-13 21:21:36,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:36,223 INFO L93 Difference]: Finished difference Result 2026 states and 2354 transitions. [2019-10-13 21:21:36,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:36,223 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2019-10-13 21:21:36,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:36,229 INFO L225 Difference]: With dead ends: 2026 [2019-10-13 21:21:36,230 INFO L226 Difference]: Without dead ends: 1028 [2019-10-13 21:21:36,233 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:36,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2019-10-13 21:21:36,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 992. [2019-10-13 21:21:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2019-10-13 21:21:36,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1119 transitions. [2019-10-13 21:21:36,285 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1119 transitions. Word has length 105 [2019-10-13 21:21:36,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:36,286 INFO L462 AbstractCegarLoop]: Abstraction has 992 states and 1119 transitions. [2019-10-13 21:21:36,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1119 transitions. [2019-10-13 21:21:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 21:21:36,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:36,291 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:36,291 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:36,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1257213445, now seen corresponding path program 1 times [2019-10-13 21:21:36,292 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:36,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155264084] [2019-10-13 21:21:36,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:36,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:36,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:36,375 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:21:36,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155264084] [2019-10-13 21:21:36,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218598126] [2019-10-13 21:21:36,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:36,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-13 21:21:36,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:36,764 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:36,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:21:37,095 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:37,095 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2019-10-13 21:21:37,096 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236670593] [2019-10-13 21:21:37,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:37,096 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:37,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:37,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-10-13 21:21:37,097 INFO L87 Difference]: Start difference. First operand 992 states and 1119 transitions. Second operand 8 states. [2019-10-13 21:21:38,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:38,574 INFO L93 Difference]: Finished difference Result 2639 states and 3204 transitions. [2019-10-13 21:21:38,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:21:38,574 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2019-10-13 21:21:38,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:38,593 INFO L225 Difference]: With dead ends: 2639 [2019-10-13 21:21:38,593 INFO L226 Difference]: Without dead ends: 1927 [2019-10-13 21:21:38,597 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 299 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2019-10-13 21:21:38,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1927 states. [2019-10-13 21:21:38,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1927 to 1746. [2019-10-13 21:21:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1746 states. [2019-10-13 21:21:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2008 transitions. [2019-10-13 21:21:38,704 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2008 transitions. Word has length 155 [2019-10-13 21:21:38,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:38,704 INFO L462 AbstractCegarLoop]: Abstraction has 1746 states and 2008 transitions. [2019-10-13 21:21:38,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2008 transitions. [2019-10-13 21:21:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-13 21:21:38,708 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:38,708 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:38,913 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:38,913 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:38,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:38,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1768895551, now seen corresponding path program 1 times [2019-10-13 21:21:38,914 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:38,915 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333039166] [2019-10-13 21:21:38,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:38,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:38,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:21:39,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333039166] [2019-10-13 21:21:39,009 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030579328] [2019-10-13 21:21:39,009 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:39,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-13 21:21:39,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:39,473 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:21:39,473 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:39,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:39,738 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:39,823 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-13 21:21:39,824 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:39,824 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-10-13 21:21:39,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601797953] [2019-10-13 21:21:39,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:39,826 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:39,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:39,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:39,827 INFO L87 Difference]: Start difference. First operand 1746 states and 2008 transitions. Second operand 9 states. [2019-10-13 21:21:40,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:40,360 INFO L93 Difference]: Finished difference Result 3335 states and 3919 transitions. [2019-10-13 21:21:40,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:40,360 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2019-10-13 21:21:40,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:40,362 INFO L225 Difference]: With dead ends: 3335 [2019-10-13 21:21:40,362 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:40,372 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 290 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-10-13 21:21:40,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:40,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:40,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:40,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2019-10-13 21:21:40,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:40,374 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:40,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:40,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:40,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:40,592 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:40,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:42,125 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-10-13 21:21:42,546 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2019-10-13 21:21:42,649 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2019-10-13 21:21:43,079 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2019-10-13 21:21:43,214 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2019-10-13 21:21:43,809 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 50 [2019-10-13 21:21:43,984 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-10-13 21:21:44,121 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2019-10-13 21:21:44,578 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2019-10-13 21:21:44,817 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-10-13 21:21:45,515 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 46 [2019-10-13 21:21:45,728 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-10-13 21:21:46,168 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2019-10-13 21:21:46,511 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-10-13 21:21:47,050 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2019-10-13 21:21:47,206 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2019-10-13 21:21:47,441 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 29 [2019-10-13 21:21:47,544 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2019-10-13 21:21:47,817 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 31 [2019-10-13 21:21:48,014 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 30 [2019-10-13 21:21:48,429 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2019-10-13 21:21:48,701 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-10-13 21:21:48,897 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 20 [2019-10-13 21:21:49,070 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 22 [2019-10-13 21:21:49,304 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2019-10-13 21:21:49,469 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2019-10-13 21:21:50,431 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 53 [2019-10-13 21:21:50,716 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2019-10-13 21:21:50,941 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2019-10-13 21:21:50,944 INFO L443 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2019-10-13 21:21:50,945 INFO L443 ceAbstractionStarter]: For program point L256-2(lines 256 277) no Hoare annotation was computed. [2019-10-13 21:21:50,945 INFO L443 ceAbstractionStarter]: For program point L278(lines 255 279) no Hoare annotation was computed. [2019-10-13 21:21:50,945 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 231 286) no Hoare annotation was computed. [2019-10-13 21:21:50,945 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 231 286) no Hoare annotation was computed. [2019-10-13 21:21:50,945 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:21:50,945 INFO L443 ceAbstractionStarter]: For program point L262-1(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:21:50,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 231 286) no Hoare annotation was computed. [2019-10-13 21:21:50,946 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 323) no Hoare annotation was computed. [2019-10-13 21:21:50,946 INFO L443 ceAbstractionStarter]: For program point L319-1(lines 319 323) no Hoare annotation was computed. [2019-10-13 21:21:50,946 INFO L443 ceAbstractionStarter]: For program point L314(line 314) no Hoare annotation was computed. [2019-10-13 21:21:50,946 INFO L443 ceAbstractionStarter]: For program point L313-2(lines 313 338) no Hoare annotation was computed. [2019-10-13 21:21:50,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 287 346) no Hoare annotation was computed. [2019-10-13 21:21:50,946 INFO L443 ceAbstractionStarter]: For program point L339(lines 312 340) no Hoare annotation was computed. [2019-10-13 21:21:50,947 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 287 346) no Hoare annotation was computed. [2019-10-13 21:21:50,947 INFO L443 ceAbstractionStarter]: For program point L332(line 332) no Hoare annotation was computed. [2019-10-13 21:21:50,947 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-10-13 21:21:50,947 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 287 346) no Hoare annotation was computed. [2019-10-13 21:21:50,947 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2019-10-13 21:21:50,947 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2019-10-13 21:21:50,947 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-13 21:21:50,947 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2019-10-13 21:21:50,947 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2019-10-13 21:21:50,947 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:21:50,948 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-13 21:21:50,948 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:50,948 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:50,948 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:50,948 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:50,948 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:21:50,949 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-13 21:21:50,949 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:50,949 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:50,949 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-13 21:21:50,949 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:50,949 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-13 21:21:50,949 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:50,949 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-13 21:21:50,950 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-13 21:21:50,950 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-13 21:21:50,950 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-13 21:21:50,950 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-13 21:21:50,950 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-13 21:21:50,950 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-13 21:21:50,950 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-13 21:21:50,950 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-13 21:21:50,951 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-13 21:21:50,951 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-13 21:21:50,951 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-13 21:21:50,951 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-13 21:21:50,951 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-13 21:21:50,951 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 899 907) no Hoare annotation was computed. [2019-10-13 21:21:50,951 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 899 907) the Hoare annotation is: true [2019-10-13 21:21:50,951 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 899 907) no Hoare annotation was computed. [2019-10-13 21:21:50,952 INFO L443 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2019-10-13 21:21:50,952 INFO L446 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: true [2019-10-13 21:21:50,952 INFO L443 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2019-10-13 21:21:50,952 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 963 981) the Hoare annotation is: true [2019-10-13 21:21:50,952 INFO L443 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2019-10-13 21:21:50,952 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 963 981) no Hoare annotation was computed. [2019-10-13 21:21:50,952 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 963 981) no Hoare annotation was computed. [2019-10-13 21:21:50,952 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 935) no Hoare annotation was computed. [2019-10-13 21:21:50,952 INFO L443 ceAbstractionStarter]: For program point L927-2(lines 927 935) no Hoare annotation was computed. [2019-10-13 21:21:50,953 INFO L443 ceAbstractionStarter]: For program point L915(lines 915 923) no Hoare annotation was computed. [2019-10-13 21:21:50,953 INFO L443 ceAbstractionStarter]: For program point L915-2(lines 915 923) no Hoare annotation was computed. [2019-10-13 21:21:50,953 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 908 943) no Hoare annotation was computed. [2019-10-13 21:21:50,953 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-13 21:21:50,953 INFO L443 ceAbstractionStarter]: For program point L938-1(line 938) no Hoare annotation was computed. [2019-10-13 21:21:50,953 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 908 943) no Hoare annotation was computed. [2019-10-13 21:21:50,953 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 908 943) no Hoare annotation was computed. [2019-10-13 21:21:50,953 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2019-10-13 21:21:50,953 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2019-10-13 21:21:50,954 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 185 230) no Hoare annotation was computed. [2019-10-13 21:21:50,954 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 185 230) no Hoare annotation was computed. [2019-10-13 21:21:50,954 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 185 230) no Hoare annotation was computed. [2019-10-13 21:21:50,954 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 532) no Hoare annotation was computed. [2019-10-13 21:21:50,954 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 512 532) no Hoare annotation was computed. [2019-10-13 21:21:50,954 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 498 543) no Hoare annotation was computed. [2019-10-13 21:21:50,954 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 498 543) no Hoare annotation was computed. [2019-10-13 21:21:50,954 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 525) no Hoare annotation was computed. [2019-10-13 21:21:50,954 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 498 543) no Hoare annotation was computed. [2019-10-13 21:21:50,955 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:50,955 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:21:50,955 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-13 21:21:50,955 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 888 898) the Hoare annotation is: true [2019-10-13 21:21:50,955 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-10-13 21:21:50,955 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-10-13 21:21:50,955 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 888 898) no Hoare annotation was computed. [2019-10-13 21:21:50,955 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 888 898) no Hoare annotation was computed. [2019-10-13 21:21:50,956 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2019-10-13 21:21:50,956 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2019-10-13 21:21:50,956 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2019-10-13 21:21:50,956 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 639 652) no Hoare annotation was computed. [2019-10-13 21:21:50,956 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-13 21:21:50,956 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 639 652) the Hoare annotation is: true [2019-10-13 21:21:50,956 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 639 652) no Hoare annotation was computed. [2019-10-13 21:21:50,956 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2019-10-13 21:21:50,956 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 829 853) no Hoare annotation was computed. [2019-10-13 21:21:50,957 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 829 853) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 .cse8 .cse3 .cse5 .cse7))) [2019-10-13 21:21:50,957 INFO L439 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse5 .cse7 .cse2 .cse3 .cse6))) [2019-10-13 21:21:50,957 INFO L443 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2019-10-13 21:21:50,957 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-10-13 21:21:50,957 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-10-13 21:21:50,957 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2019-10-13 21:21:50,957 INFO L439 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-10-13 21:21:50,958 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-13 21:21:50,958 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2019-10-13 21:21:50,958 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2019-10-13 21:21:50,958 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:50,958 INFO L439 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse5 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse6 .cse4) .cse2) (and .cse2 (and .cse0 .cse5 .cse1 .cse6)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:50,958 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2019-10-13 21:21:50,958 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2019-10-13 21:21:50,958 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2019-10-13 21:21:50,958 INFO L439 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse5) (and .cse0 .cse6 .cse1 (<= ~waterLevel~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:50,959 INFO L439 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse5 .cse4) (and .cse0 .cse6 .cse1 .cse2 .cse5) (and .cse0 .cse6 .cse1 (<= ~waterLevel~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:50,959 INFO L443 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2019-10-13 21:21:50,959 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2019-10-13 21:21:50,959 INFO L443 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2019-10-13 21:21:50,959 INFO L439 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:50,959 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-10-13 21:21:50,960 INFO L439 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse5 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse6 .cse4) .cse2) (and .cse2 (and .cse0 .cse5 .cse1 .cse6)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:50,960 INFO L443 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2019-10-13 21:21:50,960 INFO L439 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse2 (< ~waterLevel~0 3)) (.cse0 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse5 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse6 .cse4) .cse2) (and .cse2 (and .cse0 .cse5 .cse1 .cse6)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:50,960 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2019-10-13 21:21:50,960 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2019-10-13 21:21:50,960 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 452 497) no Hoare annotation was computed. [2019-10-13 21:21:50,960 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 479) no Hoare annotation was computed. [2019-10-13 21:21:50,960 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 452 497) no Hoare annotation was computed. [2019-10-13 21:21:50,961 INFO L443 ceAbstractionStarter]: For program point L466(lines 466 486) no Hoare annotation was computed. [2019-10-13 21:21:50,961 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 466 486) no Hoare annotation was computed. [2019-10-13 21:21:50,961 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 452 497) no Hoare annotation was computed. [2019-10-13 21:21:50,961 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 854 861) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-10-13 21:21:50,961 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 854 861) no Hoare annotation was computed. [2019-10-13 21:21:50,961 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 854 861) no Hoare annotation was computed. [2019-10-13 21:21:50,961 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 653 661) no Hoare annotation was computed. [2019-10-13 21:21:50,961 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 653 661) the Hoare annotation is: true [2019-10-13 21:21:50,961 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 653 661) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 607 629) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 623) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 607 629) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point L615-2(lines 615 623) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 607 629) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 349 451) no Hoare annotation was computed. [2019-10-13 21:21:50,962 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 394) no Hoare annotation was computed. [2019-10-13 21:21:50,963 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2019-10-13 21:21:50,963 INFO L443 ceAbstractionStarter]: For program point L399(lines 398 418) no Hoare annotation was computed. [2019-10-13 21:21:50,963 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-13 21:21:50,963 INFO L443 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2019-10-13 21:21:50,963 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 436) no Hoare annotation was computed. [2019-10-13 21:21:50,963 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 349 451) no Hoare annotation was computed. [2019-10-13 21:21:50,963 INFO L443 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2019-10-13 21:21:50,963 INFO L443 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2019-10-13 21:21:50,963 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2019-10-13 21:21:50,964 INFO L443 ceAbstractionStarter]: For program point L437(lines 437 448) no Hoare annotation was computed. [2019-10-13 21:21:50,964 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 349 451) no Hoare annotation was computed. [2019-10-13 21:21:50,964 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 404) no Hoare annotation was computed. [2019-10-13 21:21:50,964 INFO L443 ceAbstractionStarter]: For program point L398-2(lines 398 418) no Hoare annotation was computed. [2019-10-13 21:21:50,964 INFO L443 ceAbstractionStarter]: For program point L419(lines 397 420) no Hoare annotation was computed. [2019-10-13 21:21:50,964 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:50,964 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:21:50,964 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:50,964 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 863 879) no Hoare annotation was computed. [2019-10-13 21:21:50,965 INFO L439 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and .cse1 (= ~methaneLevelCritical~0 activatePump_~tmp~8)) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:21:50,965 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 863 879) no Hoare annotation was computed. [2019-10-13 21:21:50,965 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 863 879) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-10-13 21:21:50,965 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2019-10-13 21:21:50,965 INFO L439 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2019-10-13 21:21:50,965 INFO L443 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2019-10-13 21:21:50,965 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 630 638) the Hoare annotation is: true [2019-10-13 21:21:50,966 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 630 638) no Hoare annotation was computed. [2019-10-13 21:21:50,966 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 630 638) no Hoare annotation was computed. [2019-10-13 21:21:50,966 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2019-10-13 21:21:50,966 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2019-10-13 21:21:50,966 INFO L446 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2019-10-13 21:21:50,966 INFO L443 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2019-10-13 21:21:50,966 INFO L443 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2019-10-13 21:21:50,966 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2019-10-13 21:21:50,966 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2019-10-13 21:21:50,966 INFO L443 ceAbstractionStarter]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2019-10-13 21:21:50,966 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (< ~waterLevel~0 3))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (= 1 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 (or .cse6 .cse4 .cse7)) (or .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse3 (or .cse0 .cse6 .cse4) .cse2))) [2019-10-13 21:21:50,967 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2019-10-13 21:21:50,967 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:50,967 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:50,967 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:50,967 INFO L439 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (= ~pumpRunning~0 1)) (.cse14 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse6 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse11 (or .cse14 .cse7 .cse8)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse10 (and .cse12 .cse13)) (.cse3 (or .cse4 .cse14 .cse7)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7) (or (< ~waterLevel~0 2) (or (not (< |old(~waterLevel~0)| 2)) .cse5 .cse7 .cse8)) (or .cse5 .cse1 .cse7 .cse8 .cse6) (or .cse9 .cse10 .cse11) (or .cse1 (and .cse12 .cse13 .cse0) .cse2 .cse11) (or .cse1 .cse10 .cse3) (or .cse4 .cse9 .cse5 .cse12 .cse7)))) [2019-10-13 21:21:50,967 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 1))) (.cse13 (< ~waterLevel~0 3)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (< ~waterLevel~0 2)) (.cse8 (and .cse13 (= ~pumpRunning~0 0) .cse14)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse5 (or .cse6 .cse12 .cse9)) (.cse0 (and .cse13 (= ~pumpRunning~0 1) .cse14)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (<= ~waterLevel~0 1)) (.cse2 (or .cse12 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse1 .cse9) (or .cse4 (or (not (< |old(~waterLevel~0)| 2)) .cse7 .cse9 .cse10)) (or .cse7 .cse1 .cse9 .cse10 .cse8) (or .cse1 .cse5 .cse0) (or .cse6 .cse3 .cse7 .cse11 .cse9) (or .cse3 .cse11 .cse2)))) [2019-10-13 21:21:50,968 INFO L439 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse22 (<= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 0)) (.cse18 (< ~waterLevel~0 2)) (.cse19 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 3)) (.cse20 (= ~pumpRunning~0 1)) (.cse21 (not (= 1 |old(~pumpRunning~0)|))) (.cse13 (not (= ~systemActive~0 1))) (.cse16 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse3 (or .cse21 .cse13 .cse16)) (.cse0 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse12 (and .cse9 .cse10 .cse20)) (.cse14 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse18 .cse19)) (.cse5 (and .cse22 .cse11)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse4 (and .cse22 .cse20)) (.cse6 (or .cse7 .cse21 .cse13)) (.cse15 (and .cse20 .cse18 .cse19)) (.cse17 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse6) (or .cse7 .cse8 (and .cse9 .cse10 .cse11) .cse12 .cse1 .cse2 .cse13) (or .cse12 .cse8 .cse14 .cse15 .cse1 .cse13 .cse16) (or .cse17 .cse8 .cse14 .cse15 .cse13 .cse16) (or .cse5 .cse1 .cse4 .cse6) (or .cse15 .cse7 .cse17 .cse8 (and .cse11 .cse18 .cse19) .cse13)))) [2019-10-13 21:21:50,968 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2019-10-13 21:21:50,968 INFO L439 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse2 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (or .cse10 .cse5 .cse6)) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (or .cse3 .cse10 .cse5)) (.cse9 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse7 .cse2) (or .cse8 .cse1 .cse9) (or .cse8 .cse7 .cse9)))) [2019-10-13 21:21:50,968 INFO L443 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2019-10-13 21:21:50,968 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2019-10-13 21:21:50,968 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-13 21:21:50,968 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-13 21:21:50,968 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-13 21:21:50,968 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-13 21:21:50,968 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-13 21:21:50,969 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-13 21:21:50,969 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-13 21:21:50,969 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-13 21:21:50,969 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-13 21:21:50,969 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-13 21:21:50,969 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2019-10-13 21:21:50,969 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2019-10-13 21:21:50,969 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2019-10-13 21:21:50,970 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2019-10-13 21:21:50,970 INFO L446 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: true [2019-10-13 21:21:50,970 INFO L443 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2019-10-13 21:21:50,970 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 664 696) no Hoare annotation was computed. [2019-10-13 21:21:50,970 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 664 696) the Hoare annotation is: true [2019-10-13 21:21:50,970 INFO L439 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (< ~waterLevel~0 3))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse0 .cse2) (or (not (<= ~waterLevel~0 1)) .cse5 .cse2 .cse3))) [2019-10-13 21:21:50,970 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2019-10-13 21:21:50,971 INFO L439 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 .cse2 .cse3 .cse6) (or .cse5 .cse4 .cse3 .cse6))) [2019-10-13 21:21:50,971 INFO L443 ceAbstractionStarter]: For program point L681-1(line 681) no Hoare annotation was computed. [2019-10-13 21:21:50,971 INFO L443 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2019-10-13 21:21:50,971 INFO L443 ceAbstractionStarter]: For program point L679-1(lines 664 696) no Hoare annotation was computed. [2019-10-13 21:21:50,971 INFO L439 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2))) [2019-10-13 21:21:50,971 INFO L443 ceAbstractionStarter]: For program point L677-1(line 677) no Hoare annotation was computed. [2019-10-13 21:21:50,971 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 562 573) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse4 (and (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse3) (or .cse0 .cse7 .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse1 .cse4 .cse2))) [2019-10-13 21:21:50,972 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 562 573) no Hoare annotation was computed. [2019-10-13 21:21:50,972 INFO L443 ceAbstractionStarter]: For program point L566-1(lines 562 573) no Hoare annotation was computed. [2019-10-13 21:21:50,972 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-13 21:21:50,972 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-13 21:21:50,972 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:50,972 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-13 21:21:50,972 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:50,972 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:50,973 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 982 989) no Hoare annotation was computed. [2019-10-13 21:21:50,973 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 982 989) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (= 1 ~systemActive~0)) (.cse0 (not (< ~waterLevel~0 3))) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse4 .cse0 (or .cse2 .cse3 .cse5)) (or .cse6 .cse0 .cse3 .cse5 .cse4) (or .cse1 .cse6 .cse4 .cse0 .cse3))) [2019-10-13 21:21:50,973 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 982 989) no Hoare annotation was computed. [2019-10-13 21:21:50,973 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse8 .cse3) (or .cse6 .cse8 .cse3 .cse5 .cse7))) [2019-10-13 21:21:50,973 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2019-10-13 21:21:50,973 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse5) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2019-10-13 21:21:50,974 INFO L443 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2019-10-13 21:21:50,974 INFO L439 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2))) (.cse2 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse2 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4))) [2019-10-13 21:21:50,974 INFO L439 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse5 (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~6) .cse7)) (.cse2 (not (< ~waterLevel~0 3))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse5 .cse2 .cse3 .cse4 .cse6) (or (or .cse0 (not (< ~waterLevel~0 2)) .cse1 .cse4) .cse7) (or .cse8 .cse9 .cse4 .cse6) (or .cse0 .cse8 .cse9 .cse4) (or .cse8 .cse1 .cse4 .cse7 .cse6)))) [2019-10-13 21:21:50,974 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2019-10-13 21:21:50,974 INFO L439 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse5 .cse7 .cse2 .cse3 .cse6))) [2019-10-13 21:21:50,974 INFO L443 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2019-10-13 21:21:50,975 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2019-10-13 21:21:50,975 INFO L443 ceAbstractionStarter]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2019-10-13 21:21:50,975 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2019-10-13 21:21:50,975 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (< ~waterLevel~0 3) .cse11)) (.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse9 (< ~waterLevel~0 2)) (.cse10 (not (< |old(~waterLevel~0)| 2))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse9 (or .cse10 .cse2 .cse3 .cse4)) (or .cse5 .cse1 .cse2 .cse3 .cse0) (or .cse5 .cse7 .cse0 .cse1 .cse3) (or (and .cse9 .cse11) (or .cse10 .cse7 .cse3 .cse4)) (or .cse5 .cse6 .cse2 .cse3 .cse8)))) [2019-10-13 21:21:50,975 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 545 552) no Hoare annotation was computed. [2019-10-13 21:21:50,975 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2019-10-13 21:21:50,975 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 545 552) the Hoare annotation is: true [2019-10-13 21:21:50,976 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 545 552) no Hoare annotation was computed. [2019-10-13 21:21:50,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:50 BoogieIcfgContainer [2019-10-13 21:21:50,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:50,997 INFO L168 Benchmark]: Toolchain (without parser) took 23551.90 ms. Allocated memory was 138.9 MB in the beginning and 521.1 MB in the end (delta: 382.2 MB). Free memory was 102.4 MB in the beginning and 144.8 MB in the end (delta: -42.4 MB). Peak memory consumption was 396.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:50,998 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:50,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.69 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 102.2 MB in the beginning and 172.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:51,004 INFO L168 Benchmark]: Boogie Preprocessor took 88.26 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:51,005 INFO L168 Benchmark]: RCFGBuilder took 1206.85 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 168.5 MB in the beginning and 193.9 MB in the end (delta: -25.3 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:51,006 INFO L168 Benchmark]: TraceAbstraction took 21462.45 ms. Allocated memory was 235.4 MB in the beginning and 521.1 MB in the end (delta: 285.7 MB). Free memory was 193.9 MB in the beginning and 144.8 MB in the end (delta: 49.0 MB). Peak memory consumption was 391.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:51,016 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 789.69 ms. Allocated memory was 138.9 MB in the beginning and 205.0 MB in the end (delta: 66.1 MB). Free memory was 102.2 MB in the beginning and 172.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.26 ms. Allocated memory is still 205.0 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1206.85 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 168.5 MB in the beginning and 193.9 MB in the end (delta: -25.3 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21462.45 ms. Allocated memory was 235.4 MB in the beginning and 521.1 MB in the end (delta: 285.7 MB). Free memory was 193.9 MB in the beginning and 144.8 MB in the end (delta: 49.0 MB). Peak memory consumption was 391.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: 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: 709]: Loop Invariant Derived loop invariant: ((((((((((1 == systemActive && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 0) && 1 == methaneLevelCritical) || !(\old(systemActive) == 1)) || ((((1 == systemActive && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 249 locations, 1 error locations. Result: SAFE, OverallTime: 21.3s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, HoareTripleCheckerStatistics: 2484 SDtfs, 2093 SDslu, 8165 SDs, 0 SdLazy, 2487 SolverSat, 743 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 951 GetRequests, 824 SyntacticMatches, 8 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1746occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 293 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3425 PreInvPairs, 3670 NumberOfFragments, 3189 HoareAnnotationTreeSize, 3425 FomulaSimplifications, 7425 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 33251 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1998 ConstructedInterpolants, 0 QuantifiedInterpolants, 409702 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2586 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 19 InterpolantComputations, 13 PerfectInterpolantSequences, 187/201 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...