/usr/bin/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_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:59:47,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:59:47,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:59:47,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:59:47,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:59:47,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:59:47,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:59:47,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:59:48,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:59:48,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:59:48,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:59:48,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:59:48,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:59:48,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:59:48,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:59:48,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:59:48,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:59:48,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:59:48,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:59:48,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:59:48,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:59:48,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:59:48,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:59:48,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:59:48,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:59:48,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:59:48,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:59:48,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:59:48,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:59:48,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:59:48,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:59:48,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:59:48,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:59:48,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:59:48,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:59:48,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:59:48,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:59:48,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:59:48,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:59:48,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:59:48,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:59:48,050 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 [2019-11-07 00:59:48,078 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:59:48,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:59:48,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:59:48,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:59:48,083 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:59:48,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:59:48,083 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:59:48,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:59:48,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:59:48,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:59:48,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:59:48,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:59:48,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:59:48,086 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:59:48,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:59:48,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:59:48,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:59:48,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:59:48,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:59:48,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:59:48,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:59:48,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:59:48,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:59:48,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:59:48,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:59:48,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:59:48,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:59:48,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:59:48,089 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 [2019-11-07 00:59:48,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:59:48,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:59:48,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:59:48,437 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:59:48,437 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:59:48,438 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2019-11-07 00:59:48,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b417ba7e4/242ba52744f24231add13fc6f15d129f/FLAGb85ebdadf [2019-11-07 00:59:48,967 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:59:48,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2019-11-07 00:59:48,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b417ba7e4/242ba52744f24231add13fc6f15d129f/FLAGb85ebdadf [2019-11-07 00:59:49,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b417ba7e4/242ba52744f24231add13fc6f15d129f [2019-11-07 00:59:49,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:59:49,285 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:59:49,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:59:49,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:59:49,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:59:49,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:49" (1/1) ... [2019-11-07 00:59:49,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3743a8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:49, skipping insertion in model container [2019-11-07 00:59:49,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:49" (1/1) ... [2019-11-07 00:59:49,304 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:59:49,354 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:59:49,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:59:49,914 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:59:50,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:59:50,056 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:59:50,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50 WrapperNode [2019-11-07 00:59:50,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:59:50,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:59:50,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:59:50,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:59:50,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:59:50,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:59:50,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:59:50,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:59:50,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (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 [2019-11-07 00:59:50,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:59:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:59:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:59:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:59:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:59:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:59:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:59:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 00:59:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 00:59:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:59:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 00:59:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:59:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 00:59:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 00:59:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 00:59:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 00:59:50,255 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 00:59:50,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 00:59:50,255 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 00:59:50,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 00:59:50,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 00:59:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 00:59:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 00:59:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 00:59:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 00:59:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 00:59:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 00:59:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 00:59:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 00:59:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 00:59:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 00:59:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 00:59:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 00:59:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 00:59:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:59:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:59:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:59:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:59:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:59:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:59:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:59:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:59:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:59:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:59:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:59:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:59:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:59:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:59:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:59:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 00:59:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 00:59:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 00:59:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 00:59:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 00:59:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 00:59:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:59:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 00:59:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:59:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 00:59:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:59:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:59:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 00:59:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 00:59:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 00:59:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 00:59:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 00:59:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 00:59:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 00:59:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 00:59:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:59:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 00:59:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 00:59:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 00:59:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 00:59:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 00:59:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 00:59:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 00:59:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 00:59:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 00:59:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:59:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:59:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:59:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:59:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:59:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:59:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:59:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:59:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:59:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:59:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:59:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:59:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:59:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:59:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:59:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:59:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:59:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:59:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:59:51,352 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:59:51,352 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 00:59:51,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:51 BoogieIcfgContainer [2019-11-07 00:59:51,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:59:51,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:59:51,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:59:51,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:59:51,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:59:49" (1/3) ... [2019-11-07 00:59:51,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82eab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:51, skipping insertion in model container [2019-11-07 00:59:51,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (2/3) ... [2019-11-07 00:59:51,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82eab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:51, skipping insertion in model container [2019-11-07 00:59:51,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:51" (3/3) ... [2019-11-07 00:59:51,363 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-11-07 00:59:51,373 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:59:51,382 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:59:51,394 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:59:51,421 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:59:51,421 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:59:51,421 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:59:51,421 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:59:51,421 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:59:51,422 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:59:51,422 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:59:51,422 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:59:51,446 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-11-07 00:59:51,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:59:51,455 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:51,456 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:51,458 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:51,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:51,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1742083297, now seen corresponding path program 1 times [2019-11-07 00:59:51,475 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:51,475 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334827210] [2019-11-07 00:59:51,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:51,850 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334827210] [2019-11-07 00:59:51,851 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:51,852 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 00:59:51,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339203678] [2019-11-07 00:59:51,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:59:51,865 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:51,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 00:59:51,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:59:51,884 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-11-07 00:59:51,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:51,959 INFO L93 Difference]: Finished difference Result 270 states and 333 transitions. [2019-11-07 00:59:51,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:59:51,961 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-11-07 00:59:51,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:51,975 INFO L225 Difference]: With dead ends: 270 [2019-11-07 00:59:51,975 INFO L226 Difference]: Without dead ends: 137 [2019-11-07 00:59:51,980 INFO L630 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 [2019-11-07 00:59:51,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-11-07 00:59:52,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-11-07 00:59:52,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-11-07 00:59:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2019-11-07 00:59:52,037 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2019-11-07 00:59:52,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:52,038 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2019-11-07 00:59:52,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:59:52,039 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2019-11-07 00:59:52,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:59:52,045 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:52,046 INFO L410 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] [2019-11-07 00:59:52,047 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash 604742129, now seen corresponding path program 1 times [2019-11-07 00:59:52,048 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:52,048 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123318228] [2019-11-07 00:59:52,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:52,174 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123318228] [2019-11-07 00:59:52,175 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:52,175 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:59:52,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660070050] [2019-11-07 00:59:52,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:59:52,177 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:52,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:59:52,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:52,178 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 3 states. [2019-11-07 00:59:52,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:52,202 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2019-11-07 00:59:52,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:59:52,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-11-07 00:59:52,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:52,205 INFO L225 Difference]: With dead ends: 215 [2019-11-07 00:59:52,205 INFO L226 Difference]: Without dead ends: 128 [2019-11-07 00:59:52,207 INFO L630 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 [2019-11-07 00:59:52,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-07 00:59:52,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-11-07 00:59:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-07 00:59:52,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2019-11-07 00:59:52,223 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2019-11-07 00:59:52,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:52,223 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2019-11-07 00:59:52,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:59:52,224 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2019-11-07 00:59:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 00:59:52,226 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:52,226 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:52,227 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:52,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:52,227 INFO L82 PathProgramCache]: Analyzing trace with hash -185652476, now seen corresponding path program 1 times [2019-11-07 00:59:52,227 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:52,227 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069421862] [2019-11-07 00:59:52,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:52,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:52,389 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069421862] [2019-11-07 00:59:52,389 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:52,389 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:59:52,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839501846] [2019-11-07 00:59:52,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:59:52,390 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:52,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:59:52,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:52,391 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 7 states. [2019-11-07 00:59:52,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:52,722 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2019-11-07 00:59:52,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:59:52,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-11-07 00:59:52,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:52,725 INFO L225 Difference]: With dead ends: 228 [2019-11-07 00:59:52,725 INFO L226 Difference]: Without dead ends: 128 [2019-11-07 00:59:52,727 INFO L630 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 [2019-11-07 00:59:52,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-07 00:59:52,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-11-07 00:59:52,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-07 00:59:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2019-11-07 00:59:52,754 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2019-11-07 00:59:52,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:52,754 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2019-11-07 00:59:52,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:59:52,755 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2019-11-07 00:59:52,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-07 00:59:52,760 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:52,760 INFO L410 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] [2019-11-07 00:59:52,760 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:52,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:52,764 INFO L82 PathProgramCache]: Analyzing trace with hash -285076691, now seen corresponding path program 1 times [2019-11-07 00:59:52,764 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:52,765 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795050676] [2019-11-07 00:59:52,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:53,010 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795050676] [2019-11-07 00:59:53,011 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:53,011 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:59:53,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105731755] [2019-11-07 00:59:53,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:59:53,012 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:53,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:59:53,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:59:53,013 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 5 states. [2019-11-07 00:59:53,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:53,529 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2019-11-07 00:59:53,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:59:53,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-11-07 00:59:53,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:53,533 INFO L225 Difference]: With dead ends: 329 [2019-11-07 00:59:53,533 INFO L226 Difference]: Without dead ends: 229 [2019-11-07 00:59:53,534 INFO L630 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 [2019-11-07 00:59:53,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-11-07 00:59:53,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 210. [2019-11-07 00:59:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-11-07 00:59:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2019-11-07 00:59:53,561 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 70 [2019-11-07 00:59:53,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:53,561 INFO L462 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2019-11-07 00:59:53,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:59:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2019-11-07 00:59:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-07 00:59:53,564 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:53,564 INFO L410 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] [2019-11-07 00:59:53,565 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:53,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:53,565 INFO L82 PathProgramCache]: Analyzing trace with hash -791027315, now seen corresponding path program 1 times [2019-11-07 00:59:53,565 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:53,566 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542458791] [2019-11-07 00:59:53,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:53,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:53,750 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542458791] [2019-11-07 00:59:53,751 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:53,751 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:59:53,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105404517] [2019-11-07 00:59:53,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:59:53,752 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:53,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:59:53,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:59:53,753 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 6 states. [2019-11-07 00:59:53,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:53,962 INFO L93 Difference]: Finished difference Result 556 states and 656 transitions. [2019-11-07 00:59:53,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:53,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-11-07 00:59:53,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:53,967 INFO L225 Difference]: With dead ends: 556 [2019-11-07 00:59:53,967 INFO L226 Difference]: Without dead ends: 374 [2019-11-07 00:59:53,968 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:59:53,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-11-07 00:59:54,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2019-11-07 00:59:54,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2019-11-07 00:59:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 420 transitions. [2019-11-07 00:59:54,009 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 420 transitions. Word has length 84 [2019-11-07 00:59:54,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:54,009 INFO L462 AbstractCegarLoop]: Abstraction has 368 states and 420 transitions. [2019-11-07 00:59:54,012 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:59:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 420 transitions. [2019-11-07 00:59:54,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 00:59:54,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:54,014 INFO L410 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] [2019-11-07 00:59:54,014 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:54,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:54,014 INFO L82 PathProgramCache]: Analyzing trace with hash 474237417, now seen corresponding path program 1 times [2019-11-07 00:59:54,017 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:54,017 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389087275] [2019-11-07 00:59:54,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:54,140 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389087275] [2019-11-07 00:59:54,141 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:54,142 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:59:54,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530378768] [2019-11-07 00:59:54,143 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:59:54,143 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:54,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:59:54,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:54,143 INFO L87 Difference]: Start difference. First operand 368 states and 420 transitions. Second operand 7 states. [2019-11-07 00:59:54,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:54,764 INFO L93 Difference]: Finished difference Result 739 states and 868 transitions. [2019-11-07 00:59:54,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 00:59:54,765 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2019-11-07 00:59:54,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:54,768 INFO L225 Difference]: With dead ends: 739 [2019-11-07 00:59:54,768 INFO L226 Difference]: Without dead ends: 399 [2019-11-07 00:59:54,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:59:54,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-11-07 00:59:54,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 367. [2019-11-07 00:59:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2019-11-07 00:59:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2019-11-07 00:59:54,797 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 88 [2019-11-07 00:59:54,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:54,798 INFO L462 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2019-11-07 00:59:54,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:59:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2019-11-07 00:59:54,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 00:59:54,800 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:54,800 INFO L410 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] [2019-11-07 00:59:54,800 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:54,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:54,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1710786942, now seen corresponding path program 1 times [2019-11-07 00:59:54,801 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:54,802 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479615874] [2019-11-07 00:59:54,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:54,869 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479615874] [2019-11-07 00:59:54,869 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:54,870 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:59:54,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458471184] [2019-11-07 00:59:54,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:59:54,871 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:54,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:59:54,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:59:54,871 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 6 states. [2019-11-07 00:59:54,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:54,911 INFO L93 Difference]: Finished difference Result 716 states and 826 transitions. [2019-11-07 00:59:54,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:59:54,911 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-11-07 00:59:54,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:54,914 INFO L225 Difference]: With dead ends: 716 [2019-11-07 00:59:54,914 INFO L226 Difference]: Without dead ends: 377 [2019-11-07 00:59:54,915 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:54,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-11-07 00:59:54,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2019-11-07 00:59:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2019-11-07 00:59:54,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 427 transitions. [2019-11-07 00:59:54,939 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 427 transitions. Word has length 89 [2019-11-07 00:59:54,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:54,940 INFO L462 AbstractCegarLoop]: Abstraction has 377 states and 427 transitions. [2019-11-07 00:59:54,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:59:54,940 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 427 transitions. [2019-11-07 00:59:54,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 00:59:54,942 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:54,942 INFO L410 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] [2019-11-07 00:59:54,942 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:54,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:54,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1009187068, now seen corresponding path program 1 times [2019-11-07 00:59:54,943 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:54,943 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377683635] [2019-11-07 00:59:54,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:55,024 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377683635] [2019-11-07 00:59:55,024 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:55,024 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:59:55,024 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11990486] [2019-11-07 00:59:55,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:59:55,025 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:55,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:59:55,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:55,026 INFO L87 Difference]: Start difference. First operand 377 states and 427 transitions. Second operand 8 states. [2019-11-07 00:59:55,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:55,072 INFO L93 Difference]: Finished difference Result 740 states and 860 transitions. [2019-11-07 00:59:55,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:55,073 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2019-11-07 00:59:55,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:55,075 INFO L225 Difference]: With dead ends: 740 [2019-11-07 00:59:55,076 INFO L226 Difference]: Without dead ends: 391 [2019-11-07 00:59:55,077 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:55,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-11-07 00:59:55,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 385. [2019-11-07 00:59:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-11-07 00:59:55,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 435 transitions. [2019-11-07 00:59:55,097 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 435 transitions. Word has length 89 [2019-11-07 00:59:55,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:55,098 INFO L462 AbstractCegarLoop]: Abstraction has 385 states and 435 transitions. [2019-11-07 00:59:55,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:59:55,098 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 435 transitions. [2019-11-07 00:59:55,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-07 00:59:55,099 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:55,100 INFO L410 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] [2019-11-07 00:59:55,100 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:55,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:55,100 INFO L82 PathProgramCache]: Analyzing trace with hash 716293829, now seen corresponding path program 1 times [2019-11-07 00:59:55,101 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:55,101 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968843949] [2019-11-07 00:59:55,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:55,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:55,173 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968843949] [2019-11-07 00:59:55,173 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:55,174 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:59:55,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192603180] [2019-11-07 00:59:55,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:59:55,175 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:55,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:59:55,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:59:55,176 INFO L87 Difference]: Start difference. First operand 385 states and 435 transitions. Second operand 4 states. [2019-11-07 00:59:55,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:55,423 INFO L93 Difference]: Finished difference Result 1162 states and 1382 transitions. [2019-11-07 00:59:55,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:59:55,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-11-07 00:59:55,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:55,430 INFO L225 Difference]: With dead ends: 1162 [2019-11-07 00:59:55,431 INFO L226 Difference]: Without dead ends: 805 [2019-11-07 00:59:55,432 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:59:55,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2019-11-07 00:59:55,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 517. [2019-11-07 00:59:55,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2019-11-07 00:59:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 580 transitions. [2019-11-07 00:59:55,481 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 580 transitions. Word has length 89 [2019-11-07 00:59:55,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:55,483 INFO L462 AbstractCegarLoop]: Abstraction has 517 states and 580 transitions. [2019-11-07 00:59:55,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:59:55,483 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 580 transitions. [2019-11-07 00:59:55,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-07 00:59:55,485 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:55,485 INFO L410 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, 1, 1, 1, 1] [2019-11-07 00:59:55,485 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:55,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:55,486 INFO L82 PathProgramCache]: Analyzing trace with hash -7624597, now seen corresponding path program 1 times [2019-11-07 00:59:55,486 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:55,486 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525311827] [2019-11-07 00:59:55,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:55,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:55,571 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525311827] [2019-11-07 00:59:55,572 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:55,572 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:59:55,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612000408] [2019-11-07 00:59:55,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:59:55,573 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:55,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:59:55,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:55,574 INFO L87 Difference]: Start difference. First operand 517 states and 580 transitions. Second operand 3 states. [2019-11-07 00:59:55,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:55,639 INFO L93 Difference]: Finished difference Result 796 states and 908 transitions. [2019-11-07 00:59:55,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:59:55,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2019-11-07 00:59:55,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:55,644 INFO L225 Difference]: With dead ends: 796 [2019-11-07 00:59:55,644 INFO L226 Difference]: Without dead ends: 793 [2019-11-07 00:59:55,649 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:55,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2019-11-07 00:59:55,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 662. [2019-11-07 00:59:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2019-11-07 00:59:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 753 transitions. [2019-11-07 00:59:55,689 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 753 transitions. Word has length 93 [2019-11-07 00:59:55,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:55,690 INFO L462 AbstractCegarLoop]: Abstraction has 662 states and 753 transitions. [2019-11-07 00:59:55,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:59:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 753 transitions. [2019-11-07 00:59:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-07 00:59:55,696 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:55,697 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:55,697 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:55,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:55,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1116069495, now seen corresponding path program 1 times [2019-11-07 00:59:55,698 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:55,698 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572280756] [2019-11-07 00:59:55,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:59:55,831 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572280756] [2019-11-07 00:59:55,831 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104350950] [2019-11-07 00:59:55,831 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 [2019-11-07 00:59:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:56,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 00:59:56,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:56,188 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:59:56,532 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:56,532 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-11-07 00:59:56,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348310002] [2019-11-07 00:59:56,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:59:56,534 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:56,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:59:56,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:56,534 INFO L87 Difference]: Start difference. First operand 662 states and 753 transitions. Second operand 3 states. [2019-11-07 00:59:56,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:56,600 INFO L93 Difference]: Finished difference Result 1108 states and 1269 transitions. [2019-11-07 00:59:56,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:59:56,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-11-07 00:59:56,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:56,604 INFO L225 Difference]: With dead ends: 1108 [2019-11-07 00:59:56,605 INFO L226 Difference]: Without dead ends: 602 [2019-11-07 00:59:56,607 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 304 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:56,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2019-11-07 00:59:56,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2019-11-07 00:59:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2019-11-07 00:59:56,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 674 transitions. [2019-11-07 00:59:56,641 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 674 transitions. Word has length 152 [2019-11-07 00:59:56,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:56,642 INFO L462 AbstractCegarLoop]: Abstraction has 602 states and 674 transitions. [2019-11-07 00:59:56,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:59:56,642 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 674 transitions. [2019-11-07 00:59:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-07 00:59:56,645 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:56,645 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 00:59:56,851 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:56,852 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:56,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:56,852 INFO L82 PathProgramCache]: Analyzing trace with hash -2117638775, now seen corresponding path program 1 times [2019-11-07 00:59:56,853 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:56,853 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515392306] [2019-11-07 00:59:56,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:56,965 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 00:59:56,965 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515392306] [2019-11-07 00:59:56,965 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258293244] [2019-11-07 00:59:56,966 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 [2019-11-07 00:59:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:57,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-07 00:59:57,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:57,267 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:57,532 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 00:59:57,533 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:57,533 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2019-11-07 00:59:57,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776727411] [2019-11-07 00:59:57,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:59:57,534 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:57,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:59:57,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:59:57,535 INFO L87 Difference]: Start difference. First operand 602 states and 674 transitions. Second operand 5 states. [2019-11-07 00:59:58,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:58,204 INFO L93 Difference]: Finished difference Result 1528 states and 1860 transitions. [2019-11-07 00:59:58,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:59:58,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2019-11-07 00:59:58,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:58,212 INFO L225 Difference]: With dead ends: 1528 [2019-11-07 00:59:58,212 INFO L226 Difference]: Without dead ends: 1082 [2019-11-07 00:59:58,214 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-07 00:59:58,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2019-11-07 00:59:58,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 988. [2019-11-07 00:59:58,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 988 states. [2019-11-07 00:59:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1136 transitions. [2019-11-07 00:59:58,277 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1136 transitions. Word has length 154 [2019-11-07 00:59:58,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:58,278 INFO L462 AbstractCegarLoop]: Abstraction has 988 states and 1136 transitions. [2019-11-07 00:59:58,278 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:59:58,279 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1136 transitions. [2019-11-07 00:59:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-07 00:59:58,282 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:58,283 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 00:59:58,496 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:58,496 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:58,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:58,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1764550393, now seen corresponding path program 1 times [2019-11-07 00:59:58,497 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:58,497 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617907014] [2019-11-07 00:59:58,497 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 00:59:58,772 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617907014] [2019-11-07 00:59:58,772 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649526268] [2019-11-07 00:59:58,772 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 [2019-11-07 00:59:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:59,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 00:59:59,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:59,139 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:59,318 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 00:59:59,339 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 00:59:59,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 00:59:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 00:59:59,516 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:59,517 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-11-07 00:59:59,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866534584] [2019-11-07 00:59:59,517 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:59:59,518 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:59,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:59:59,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-11-07 00:59:59,518 INFO L87 Difference]: Start difference. First operand 988 states and 1136 transitions. Second operand 9 states. [2019-11-07 01:00:00,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:00,909 INFO L93 Difference]: Finished difference Result 2547 states and 3282 transitions. [2019-11-07 01:00:00,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 01:00:00,910 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2019-11-07 01:00:00,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:00,921 INFO L225 Difference]: With dead ends: 2547 [2019-11-07 01:00:00,921 INFO L226 Difference]: Without dead ends: 1719 [2019-11-07 01:00:00,925 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 304 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-11-07 01:00:00,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2019-11-07 01:00:01,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1358. [2019-11-07 01:00:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1358 states. [2019-11-07 01:00:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 1578 transitions. [2019-11-07 01:00:01,019 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 1578 transitions. Word has length 154 [2019-11-07 01:00:01,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:01,020 INFO L462 AbstractCegarLoop]: Abstraction has 1358 states and 1578 transitions. [2019-11-07 01:00:01,020 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:00:01,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1578 transitions. [2019-11-07 01:00:01,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-07 01:00:01,023 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:01,023 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 01:00:01,229 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:01,229 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:01,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:01,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1836936951, now seen corresponding path program 1 times [2019-11-07 01:00:01,230 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:01,231 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122091115] [2019-11-07 01:00:01,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-07 01:00:01,372 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122091115] [2019-11-07 01:00:01,373 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:01,373 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:00:01,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596923655] [2019-11-07 01:00:01,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:00:01,374 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:01,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:00:01,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:01,375 INFO L87 Difference]: Start difference. First operand 1358 states and 1578 transitions. Second operand 9 states. [2019-11-07 01:00:01,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:01,471 INFO L93 Difference]: Finished difference Result 1841 states and 2143 transitions. [2019-11-07 01:00:01,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:00:01,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2019-11-07 01:00:01,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:01,473 INFO L225 Difference]: With dead ends: 1841 [2019-11-07 01:00:01,473 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:00:01,479 INFO L630 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 [2019-11-07 01:00:01,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:00:01,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:00:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:00:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:00:01,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2019-11-07 01:00:01,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:01,482 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:00:01,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:00:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:00:01,483 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:00:01,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:00:02,309 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 61 [2019-11-07 01:00:02,665 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-11-07 01:00:02,892 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 30 [2019-11-07 01:00:03,137 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 25 [2019-11-07 01:00:03,333 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2019-11-07 01:00:03,665 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2019-11-07 01:00:03,848 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2019-11-07 01:00:04,099 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2019-11-07 01:00:04,292 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2019-11-07 01:00:04,441 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-11-07 01:00:04,560 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-11-07 01:00:04,882 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 41 [2019-11-07 01:00:05,109 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2019-11-07 01:00:05,459 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-11-07 01:00:05,727 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 33 [2019-11-07 01:00:05,973 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2019-11-07 01:00:06,222 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2019-11-07 01:00:06,620 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2019-11-07 01:00:06,876 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2019-11-07 01:00:07,134 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 34 [2019-11-07 01:00:07,368 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 34 [2019-11-07 01:00:07,489 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 24 [2019-11-07 01:00:07,492 INFO L443 ceAbstractionStarter]: For program point L705(lines 682 706) no Hoare annotation was computed. [2019-11-07 01:00:07,492 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 658 713) no Hoare annotation was computed. [2019-11-07 01:00:07,492 INFO L443 ceAbstractionStarter]: For program point L689(lines 689 693) no Hoare annotation was computed. [2019-11-07 01:00:07,492 INFO L443 ceAbstractionStarter]: For program point L689-1(lines 689 693) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point L683-2(lines 683 704) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 658 713) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 658 713) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point L766(lines 739 767) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point L759(line 759) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 714 773) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 714 773) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 750) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 714 773) no Hoare annotation was computed. [2019-11-07 01:00:07,493 INFO L443 ceAbstractionStarter]: For program point L746-1(lines 746 750) no Hoare annotation was computed. [2019-11-07 01:00:07,494 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-11-07 01:00:07,494 INFO L443 ceAbstractionStarter]: For program point L740-2(lines 740 765) no Hoare annotation was computed. [2019-11-07 01:00:07,494 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-11-07 01:00:07,494 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-11-07 01:00:07,494 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:00:07,494 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-11-07 01:00:07,494 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-11-07 01:00:07,494 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,495 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2019-11-07 01:00:07,495 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2019-11-07 01:00:07,495 INFO L439 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,495 INFO L439 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,495 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2019-11-07 01:00:07,495 INFO L443 ceAbstractionStarter]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2019-11-07 01:00:07,495 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-11-07 01:00:07,496 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,496 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,496 INFO L439 ceAbstractionStarter]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,496 INFO L443 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2019-11-07 01:00:07,496 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-11-07 01:00:07,496 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2019-11-07 01:00:07,497 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-07 01:00:07,497 INFO L443 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2019-11-07 01:00:07,497 INFO L443 ceAbstractionStarter]: For program point L125(line 125) no Hoare annotation was computed. [2019-11-07 01:00:07,497 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2019-11-07 01:00:07,497 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-07 01:00:07,497 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2019-11-07 01:00:07,497 INFO L443 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2019-11-07 01:00:07,497 INFO L443 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2019-11-07 01:00:07,497 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-07 01:00:07,498 INFO L443 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2019-11-07 01:00:07,498 INFO L443 ceAbstractionStarter]: For program point L119(line 119) no Hoare annotation was computed. [2019-11-07 01:00:07,498 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-07 01:00:07,498 INFO L443 ceAbstractionStarter]: For program point L131(line 131) no Hoare annotation was computed. [2019-11-07 01:00:07,498 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-07 01:00:07,498 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2019-11-07 01:00:07,498 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2019-11-07 01:00:07,498 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2019-11-07 01:00:07,498 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2019-11-07 01:00:07,499 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-11-07 01:00:07,499 INFO L446 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: true [2019-11-07 01:00:07,499 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2019-11-07 01:00:07,499 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2019-11-07 01:00:07,499 INFO L443 ceAbstractionStarter]: For program point L518-1(line 518) no Hoare annotation was computed. [2019-11-07 01:00:07,499 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2019-11-07 01:00:07,499 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 483) no Hoare annotation was computed. [2019-11-07 01:00:07,499 INFO L443 ceAbstractionStarter]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2019-11-07 01:00:07,499 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 471) no Hoare annotation was computed. [2019-11-07 01:00:07,500 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 456 491) no Hoare annotation was computed. [2019-11-07 01:00:07,500 INFO L443 ceAbstractionStarter]: For program point L463-2(lines 463 471) no Hoare annotation was computed. [2019-11-07 01:00:07,500 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 456 491) no Hoare annotation was computed. [2019-11-07 01:00:07,500 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-11-07 01:00:07,500 INFO L443 ceAbstractionStarter]: For program point L486-1(line 486) no Hoare annotation was computed. [2019-11-07 01:00:07,500 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 456 491) no Hoare annotation was computed. [2019-11-07 01:00:07,500 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-11-07 01:00:07,500 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-11-07 01:00:07,501 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 612 657) no Hoare annotation was computed. [2019-11-07 01:00:07,501 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 612 657) no Hoare annotation was computed. [2019-11-07 01:00:07,501 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 612 657) no Hoare annotation was computed. [2019-11-07 01:00:07,501 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 925 970) no Hoare annotation was computed. [2019-11-07 01:00:07,501 INFO L443 ceAbstractionStarter]: For program point L945(lines 945 952) no Hoare annotation was computed. [2019-11-07 01:00:07,501 INFO L443 ceAbstractionStarter]: For program point L939(lines 939 959) no Hoare annotation was computed. [2019-11-07 01:00:07,501 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 925 970) no Hoare annotation was computed. [2019-11-07 01:00:07,501 INFO L443 ceAbstractionStarter]: For program point L939-1(lines 939 959) no Hoare annotation was computed. [2019-11-07 01:00:07,501 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 925 970) no Hoare annotation was computed. [2019-11-07 01:00:07,502 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,502 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2019-11-07 01:00:07,502 INFO L439 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,502 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2019-11-07 01:00:07,502 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 436 446) no Hoare annotation was computed. [2019-11-07 01:00:07,502 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 436 446) no Hoare annotation was computed. [2019-11-07 01:00:07,502 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-11-07 01:00:07,503 INFO L443 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2019-11-07 01:00:07,503 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 436 446) no Hoare annotation was computed. [2019-11-07 01:00:07,503 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-11-07 01:00:07,503 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2019-11-07 01:00:07,503 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2019-11-07 01:00:07,503 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 317) no Hoare annotation was computed. [2019-11-07 01:00:07,503 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2019-11-07 01:00:07,503 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2019-11-07 01:00:07,503 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2019-11-07 01:00:07,504 INFO L439 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse1))) [2019-11-07 01:00:07,504 INFO L443 ceAbstractionStarter]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2019-11-07 01:00:07,504 INFO L439 ceAbstractionStarter]: At program point L409(line 409) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2019-11-07 01:00:07,504 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2019-11-07 01:00:07,504 INFO L439 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~3))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2019-11-07 01:00:07,505 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (or .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse0 .cse3) (or .cse0 (or .cse2 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 01:00:07,505 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-11-07 01:00:07,505 INFO L439 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse2) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2019-11-07 01:00:07,505 INFO L443 ceAbstractionStarter]: For program point L401-1(line 401) no Hoare annotation was computed. [2019-11-07 01:00:07,505 INFO L443 ceAbstractionStarter]: For program point L399(lines 399 416) no Hoare annotation was computed. [2019-11-07 01:00:07,505 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2019-11-07 01:00:07,505 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2019-11-07 01:00:07,505 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,506 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2019-11-07 01:00:07,506 INFO L439 ceAbstractionStarter]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:07,506 INFO L443 ceAbstractionStarter]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-11-07 01:00:07,506 INFO L439 ceAbstractionStarter]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-07 01:00:07,506 INFO L443 ceAbstractionStarter]: For program point L550(lines 549 596) no Hoare annotation was computed. [2019-11-07 01:00:07,506 INFO L439 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-07 01:00:07,507 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 592) no Hoare annotation was computed. [2019-11-07 01:00:07,507 INFO L439 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0)) (<= 1 ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:00:07,507 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-11-07 01:00:07,507 INFO L443 ceAbstractionStarter]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2019-11-07 01:00:07,507 INFO L439 ceAbstractionStarter]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-07 01:00:07,507 INFO L439 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 913) no Hoare annotation was computed. [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point L893-1(lines 893 913) no Hoare annotation was computed. [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 879 924) no Hoare annotation was computed. [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 879 924) no Hoare annotation was computed. [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 879 924) no Hoare annotation was computed. [2019-11-07 01:00:07,508 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 906) no Hoare annotation was computed. [2019-11-07 01:00:07,509 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2019-11-07 01:00:07,509 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2019-11-07 01:00:07,509 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2019-11-07 01:00:07,509 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= 2 ~waterLevel~0)) .cse0 .cse2))) [2019-11-07 01:00:07,509 INFO L439 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (not (<= 1 ~waterLevel~0))) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))))) [2019-11-07 01:00:07,509 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-11-07 01:00:07,509 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 215) no Hoare annotation was computed. [2019-11-07 01:00:07,510 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse4) (not (<= 1 ~waterLevel~0))) (or .cse5 .cse6 (or .cse1 .cse4)) (or .cse5 .cse2 .cse6 .cse1 .cse3))) [2019-11-07 01:00:07,510 INFO L443 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2019-11-07 01:00:07,510 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-11-07 01:00:07,510 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2019-11-07 01:00:07,510 INFO L439 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= 2 ~waterLevel~0)) .cse0 .cse2))) [2019-11-07 01:00:07,510 INFO L443 ceAbstractionStarter]: For program point L199-1(line 199) no Hoare annotation was computed. [2019-11-07 01:00:07,510 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2019-11-07 01:00:07,510 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 01:00:07,510 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 291) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 275 297) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 275 297) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 275 297) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-11-07 01:00:07,511 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 872) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 776 878) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point L826(lines 825 845) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 863) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 776 878) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 804) no Hoare annotation was computed. [2019-11-07 01:00:07,512 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 875) no Hoare annotation was computed. [2019-11-07 01:00:07,513 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 831) no Hoare annotation was computed. [2019-11-07 01:00:07,513 INFO L443 ceAbstractionStarter]: For program point L825-2(lines 825 845) no Hoare annotation was computed. [2019-11-07 01:00:07,513 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 776 878) no Hoare annotation was computed. [2019-11-07 01:00:07,513 INFO L443 ceAbstractionStarter]: For program point L846(lines 824 847) no Hoare annotation was computed. [2019-11-07 01:00:07,513 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 821) no Hoare annotation was computed. [2019-11-07 01:00:07,513 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:00:07,513 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-11-07 01:00:07,513 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:00:07,513 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2019-11-07 01:00:07,514 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2019-11-07 01:00:07,514 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 01:00:07,514 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 298 306) no Hoare annotation was computed. [2019-11-07 01:00:07,514 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 298 306) no Hoare annotation was computed. [2019-11-07 01:00:07,514 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 298 306) no Hoare annotation was computed. [2019-11-07 01:00:07,514 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2019-11-07 01:00:07,514 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2019-11-07 01:00:07,514 INFO L443 ceAbstractionStarter]: For program point L501(lines 501 505) no Hoare annotation was computed. [2019-11-07 01:00:07,514 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2019-11-07 01:00:07,515 INFO L446 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: true [2019-11-07 01:00:07,515 INFO L443 ceAbstractionStarter]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2019-11-07 01:00:07,515 INFO L443 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2019-11-07 01:00:07,515 INFO L443 ceAbstractionStarter]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2019-11-07 01:00:07,515 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (<= 1 ~pumpRunning~0)) (not (<= 2 ~waterLevel~0)) (or .cse0 .cse1) .cse2 .cse3) (or (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (not (<= 1 ~waterLevel~0)) .cse3 .cse2))) [2019-11-07 01:00:07,515 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2019-11-07 01:00:07,515 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:00:07,515 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:00:07,516 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:00:07,516 INFO L439 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)) .cse2) (or (not (<= 1 |old(~waterLevel~0)|)) (or .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1 .cse5) (or .cse4 .cse1 .cse5 .cse2 .cse3))) [2019-11-07 01:00:07,516 INFO L439 ceAbstractionStarter]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (or .cse2 .cse3) .cse4 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse5 .cse1))) (or .cse2 .cse3 (and (= 1 ~waterLevel~0) .cse5) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) .cse3 (not (<= 2 |old(~waterLevel~0)|))))) [2019-11-07 01:00:07,516 INFO L439 ceAbstractionStarter]: At program point L343(line 343) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse1) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse3) (or .cse2 (= 0 ~methAndRunningLastTime~0) .cse0 .cse3 .cse1))) [2019-11-07 01:00:07,516 INFO L443 ceAbstractionStarter]: For program point L341(lines 340 359) no Hoare annotation was computed. [2019-11-07 01:00:07,517 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)) .cse2) (or (not (<= 1 |old(~waterLevel~0)|)) (or .cse0 .cse1) (and (= ~pumpRunning~0 0) .cse3 .cse4) .cse2) (or .cse5 .cse1 .cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4)) (or .cse5 .cse3 .cse1 .cse6 .cse2))) [2019-11-07 01:00:07,517 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2019-11-07 01:00:07,517 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2019-11-07 01:00:07,517 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2019-11-07 01:00:07,517 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-11-07 01:00:07,517 INFO L446 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2019-11-07 01:00:07,517 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2019-11-07 01:00:07,517 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-07 01:00:07,517 INFO L446 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2019-11-07 01:00:07,518 INFO L446 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2019-11-07 01:00:07,518 INFO L443 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2019-11-07 01:00:07,518 INFO L446 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2019-11-07 01:00:07,518 INFO L443 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2019-11-07 01:00:07,518 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2019-11-07 01:00:07,518 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2019-11-07 01:00:07,518 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2019-11-07 01:00:07,518 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (<= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 01:00:07,519 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2019-11-07 01:00:07,519 INFO L443 ceAbstractionStarter]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2019-11-07 01:00:07,519 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2019-11-07 01:00:07,519 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2019-11-07 01:00:07,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:00:07,519 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) (= 0 ~methAndRunningLastTime~0)) [2019-11-07 01:00:07,519 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:00:07,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:00:07,519 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2019-11-07 01:00:07,520 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= 1 ~systemActive~0))) (and (or (not (<= 1 ~waterLevel~0)) (or (not (= 0 ~pumpRunning~0)) .cse0) .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 ~pumpRunning~0)) .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2019-11-07 01:00:07,520 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2019-11-07 01:00:07,520 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 01:00:07,520 INFO L439 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse0))) [2019-11-07 01:00:07,520 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2019-11-07 01:00:07,520 INFO L439 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse2 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 01:00:07,520 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 385) no Hoare annotation was computed. [2019-11-07 01:00:07,521 INFO L439 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 01:00:07,521 INFO L443 ceAbstractionStarter]: For program point L375-1(line 375) no Hoare annotation was computed. [2019-11-07 01:00:07,521 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 390) no Hoare annotation was computed. [2019-11-07 01:00:07,521 INFO L439 ceAbstractionStarter]: At program point L388(line 388) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2019-11-07 01:00:07,521 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2019-11-07 01:00:07,521 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2019-11-07 01:00:07,521 INFO L443 ceAbstractionStarter]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2019-11-07 01:00:07,521 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)) .cse2) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse3 .cse4) (or .cse4 (or .cse0 .cse1) .cse3 .cse2))) [2019-11-07 01:00:07,522 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-07 01:00:07,522 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2019-11-07 01:00:07,522 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2019-11-07 01:00:07,522 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2019-11-07 01:00:07,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:00:07 BoogieIcfgContainer [2019-11-07 01:00:07,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:00:07,539 INFO L168 Benchmark]: Toolchain (without parser) took 18254.46 ms. Allocated memory was 146.3 MB in the beginning and 526.4 MB in the end (delta: 380.1 MB). Free memory was 103.3 MB in the beginning and 307.4 MB in the end (delta: -204.1 MB). Peak memory consumption was 392.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:07,540 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 01:00:07,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 771.99 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.1 MB in the beginning and 172.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:07,541 INFO L168 Benchmark]: Boogie Preprocessor took 121.52 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 168.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:07,542 INFO L168 Benchmark]: RCFGBuilder took 1174.30 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.0 MB in the beginning and 195.9 MB in the end (delta: -27.8 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:07,543 INFO L168 Benchmark]: TraceAbstraction took 16182.09 ms. Allocated memory was 236.5 MB in the beginning and 526.4 MB in the end (delta: 289.9 MB). Free memory was 195.9 MB in the beginning and 307.4 MB in the end (delta: -111.5 MB). Peak memory consumption was 394.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:07,545 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 771.99 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.1 MB in the beginning and 172.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.52 ms. Allocated memory is still 204.5 MB. Free memory was 172.0 MB in the beginning and 168.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1174.30 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.0 MB in the beginning and 195.9 MB in the end (delta: -27.8 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16182.09 ms. Allocated memory was 236.5 MB in the beginning and 526.4 MB in the end (delta: 289.9 MB). Free memory was 195.9 MB in the beginning and 307.4 MB in the end (delta: -111.5 MB). Peak memory consumption was 394.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || ((((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) && \old(waterLevel) <= waterLevel)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 244 locations, 1 error locations. Result: SAFE, OverallTime: 16.1s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, HoareTripleCheckerStatistics: 2340 SDtfs, 1628 SDslu, 4461 SDs, 0 SdLazy, 2535 SolverSat, 651 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1066 GetRequests, 969 SyntacticMatches, 5 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1358occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 937 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2142 PreInvPairs, 2227 NumberOfFragments, 1937 HoareAnnotationTreeSize, 2142 FomulaSimplifications, 17966 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 62 FomulaSimplificationsInter, 20017 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1836 NumberOfCodeBlocks, 1836 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2276 ConstructedInterpolants, 0 QuantifiedInterpolants, 459462 SizeOfPredicates, 16 NumberOfNonLiveVariables, 2784 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 389/417 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...