/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_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:58:19,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:58:19,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:58:19,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:58:19,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:58:19,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:58:19,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:58:19,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:58:19,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:58:19,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:58:19,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:58:19,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:58:19,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:58:19,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:58:19,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:58:19,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:58:19,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:58:19,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:58:19,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:58:19,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:58:19,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:58:19,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:58:19,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:58:19,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:58:19,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:58:19,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:58:19,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:58:19,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:58:19,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:58:19,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:58:19,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:58:19,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:58:19,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:58:19,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:58:19,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:58:19,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:58:19,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:58:19,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:58:19,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:58:19,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:58:19,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:58:20,000 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 00:58:20,023 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:58:20,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:58:20,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:58:20,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:58:20,027 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:58:20,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:58:20,027 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:58:20,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:58:20,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:58:20,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:58:20,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:58:20,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:58:20,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:58:20,030 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:58:20,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:58:20,030 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:58:20,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:58:20,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:58:20,031 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:58:20,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:58:20,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:58:20,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:58:20,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:58:20,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:58:20,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:58:20,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:58:20,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:58:20,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:58:20,033 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 00:58:20,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:58:20,353 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:58:20,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:58:20,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:58:20,358 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:58:20,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-11-07 00:58:20,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078860c1d/740fdf12567d43edbd7d3416d97d7a21/FLAG16d312f55 [2019-11-07 00:58:21,017 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:58:21,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-11-07 00:58:21,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078860c1d/740fdf12567d43edbd7d3416d97d7a21/FLAG16d312f55 [2019-11-07 00:58:21,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078860c1d/740fdf12567d43edbd7d3416d97d7a21 [2019-11-07 00:58:21,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:58:21,369 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:58:21,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:58:21,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:58:21,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:58:21,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e6811d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:21, skipping insertion in model container [2019-11-07 00:58:21,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:58:21" (1/1) ... [2019-11-07 00:58:21,386 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:58:21,445 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:58:21,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:58:21,906 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:58:22,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:58:22,061 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:58:22,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22 WrapperNode [2019-11-07 00:58:22,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:58:22,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:58:22,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:58:22,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:58:22,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22" (1/1) ... [2019-11-07 00:58:22,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22" (1/1) ... [2019-11-07 00:58:22,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22" (1/1) ... [2019-11-07 00:58:22,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22" (1/1) ... [2019-11-07 00:58:22,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22" (1/1) ... [2019-11-07 00:58:22,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22" (1/1) ... [2019-11-07 00:58:22,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22" (1/1) ... [2019-11-07 00:58:22,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:58:22,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:58:22,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:58:22,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:58:22,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22" (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 00:58:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:58:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:58:22,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:58:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:58:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 00:58:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 00:58:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 00:58:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 00:58:22,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 00:58:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 00:58:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 00:58:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 00:58:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 00:58:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 00:58:22,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 00:58:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 00:58:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 00:58:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 00:58:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:58:22,217 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 00:58:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:58:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:58:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:58:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:58:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:58:22,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:58:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-11-07 00:58:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 00:58:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 00:58:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 00:58:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 00:58:22,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 00:58:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 00:58:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 00:58:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:58:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:58:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:58:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:58:22,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:58:22,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:58:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:58:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:58:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:58:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 00:58:22,221 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 00:58:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 00:58:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 00:58:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 00:58:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:58:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 00:58:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 00:58:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 00:58:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 00:58:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 00:58:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 00:58:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 00:58:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 00:58:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-11-07 00:58:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 00:58:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 00:58:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 00:58:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 00:58:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 00:58:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 00:58:22,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:58:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 00:58:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:58:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 00:58:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:58:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:58:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:58:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:58:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:58:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:58:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 00:58:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:58:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:58:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:58:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:58:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:58:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:58:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:58:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:58:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:58:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:58:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:58:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:58:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:58:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:58:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:58:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:58:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:58:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:58:22,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:58:23,348 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:58:23,348 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 00:58:23,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:23 BoogieIcfgContainer [2019-11-07 00:58:23,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:58:23,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:58:23,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:58:23,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:58:23,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:58:21" (1/3) ... [2019-11-07 00:58:23,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254a98ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:23, skipping insertion in model container [2019-11-07 00:58:23,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:58:22" (2/3) ... [2019-11-07 00:58:23,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@254a98ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:58:23, skipping insertion in model container [2019-11-07 00:58:23,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:58:23" (3/3) ... [2019-11-07 00:58:23,358 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2019-11-07 00:58:23,368 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:58:23,377 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:58:23,389 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:58:23,417 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:58:23,417 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:58:23,417 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:58:23,417 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:58:23,418 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:58:23,418 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:58:23,418 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:58:23,418 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:58:23,441 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-11-07 00:58:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 00:58:23,450 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:23,451 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] [2019-11-07 00:58:23,453 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:23,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:23,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1417441614, now seen corresponding path program 1 times [2019-11-07 00:58:23,469 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:23,469 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916165049] [2019-11-07 00:58:23,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:23,815 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 00:58:23,816 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916165049] [2019-11-07 00:58:23,817 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:23,817 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 00:58:23,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713933747] [2019-11-07 00:58:23,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:58:23,827 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:23,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 00:58:23,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:58:23,850 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-11-07 00:58:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:23,896 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2019-11-07 00:58:23,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:58:23,897 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 00:58:23,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:23,920 INFO L225 Difference]: With dead ends: 268 [2019-11-07 00:58:23,921 INFO L226 Difference]: Without dead ends: 134 [2019-11-07 00:58:23,929 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 00:58:23,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-11-07 00:58:24,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-11-07 00:58:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-07 00:58:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2019-11-07 00:58:24,014 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2019-11-07 00:58:24,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:24,015 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2019-11-07 00:58:24,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:58:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2019-11-07 00:58:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 00:58:24,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:24,019 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] [2019-11-07 00:58:24,019 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:24,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:24,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1689810546, now seen corresponding path program 1 times [2019-11-07 00:58:24,020 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:24,020 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519417487] [2019-11-07 00:58:24,021 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:24,207 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 00:58:24,207 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519417487] [2019-11-07 00:58:24,208 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:24,208 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:58:24,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518173335] [2019-11-07 00:58:24,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:58:24,211 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:24,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:58:24,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:58:24,211 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2019-11-07 00:58:24,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:24,235 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2019-11-07 00:58:24,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:58:24,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 00:58:24,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:24,238 INFO L225 Difference]: With dead ends: 213 [2019-11-07 00:58:24,238 INFO L226 Difference]: Without dead ends: 125 [2019-11-07 00:58:24,240 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 00:58:24,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-07 00:58:24,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-07 00:58:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-07 00:58:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2019-11-07 00:58:24,254 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2019-11-07 00:58:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:24,255 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2019-11-07 00:58:24,255 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:58:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2019-11-07 00:58:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:58:24,257 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:24,257 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 00:58:24,258 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:24,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:24,258 INFO L82 PathProgramCache]: Analyzing trace with hash -1011180464, now seen corresponding path program 1 times [2019-11-07 00:58:24,258 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:24,259 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122521510] [2019-11-07 00:58:24,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:24,493 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 00:58:24,495 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122521510] [2019-11-07 00:58:24,495 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:24,496 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:58:24,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560002630] [2019-11-07 00:58:24,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:58:24,499 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:24,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:58:24,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:58:24,500 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 7 states. [2019-11-07 00:58:24,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:24,902 INFO L93 Difference]: Finished difference Result 226 states and 269 transitions. [2019-11-07 00:58:24,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:58:24,903 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-11-07 00:58:24,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:24,906 INFO L225 Difference]: With dead ends: 226 [2019-11-07 00:58:24,906 INFO L226 Difference]: Without dead ends: 125 [2019-11-07 00:58:24,908 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:58:24,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-07 00:58:24,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-07 00:58:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-07 00:58:24,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-11-07 00:58:24,925 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52 [2019-11-07 00:58:24,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:24,926 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-11-07 00:58:24,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:58:24,926 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-11-07 00:58:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 00:58:24,931 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:24,932 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] [2019-11-07 00:58:24,932 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:24,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:24,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1017334303, now seen corresponding path program 1 times [2019-11-07 00:58:24,933 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:24,933 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309529918] [2019-11-07 00:58:24,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:25,148 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 00:58:25,148 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309529918] [2019-11-07 00:58:25,149 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:25,149 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:58:25,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84130224] [2019-11-07 00:58:25,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:58:25,150 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:25,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:58:25,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:58:25,151 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 5 states. [2019-11-07 00:58:25,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:25,674 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2019-11-07 00:58:25,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:58:25,675 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-11-07 00:58:25,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:25,678 INFO L225 Difference]: With dead ends: 332 [2019-11-07 00:58:25,678 INFO L226 Difference]: Without dead ends: 231 [2019-11-07 00:58:25,679 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 00:58:25,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-11-07 00:58:25,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 212. [2019-11-07 00:58:25,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-11-07 00:58:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2019-11-07 00:58:25,707 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 65 [2019-11-07 00:58:25,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:25,708 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2019-11-07 00:58:25,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:58:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2019-11-07 00:58:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-07 00:58:25,710 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:25,710 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] [2019-11-07 00:58:25,711 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:25,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:25,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1244154125, now seen corresponding path program 1 times [2019-11-07 00:58:25,711 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:25,712 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306141848] [2019-11-07 00:58:25,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:25,855 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 00:58:25,856 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306141848] [2019-11-07 00:58:25,856 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:25,856 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:58:25,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332325322] [2019-11-07 00:58:25,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:58:25,859 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:25,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:58:25,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:58:25,860 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 6 states. [2019-11-07 00:58:26,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:26,115 INFO L93 Difference]: Finished difference Result 573 states and 673 transitions. [2019-11-07 00:58:26,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:26,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-11-07 00:58:26,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:26,121 INFO L225 Difference]: With dead ends: 573 [2019-11-07 00:58:26,121 INFO L226 Difference]: Without dead ends: 385 [2019-11-07 00:58:26,123 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 00:58:26,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-11-07 00:58:26,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 379. [2019-11-07 00:58:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-11-07 00:58:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 432 transitions. [2019-11-07 00:58:26,161 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 432 transitions. Word has length 79 [2019-11-07 00:58:26,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:26,161 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 432 transitions. [2019-11-07 00:58:26,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:58:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 432 transitions. [2019-11-07 00:58:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-07 00:58:26,164 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:26,164 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] [2019-11-07 00:58:26,164 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:26,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:26,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1996569391, now seen corresponding path program 1 times [2019-11-07 00:58:26,165 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:26,165 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960556354] [2019-11-07 00:58:26,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:26,276 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 00:58:26,276 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960556354] [2019-11-07 00:58:26,277 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:26,277 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:58:26,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694684488] [2019-11-07 00:58:26,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:58:26,279 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:26,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:58:26,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:58:26,279 INFO L87 Difference]: Start difference. First operand 379 states and 432 transitions. Second operand 7 states. [2019-11-07 00:58:26,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:26,874 INFO L93 Difference]: Finished difference Result 414 states and 486 transitions. [2019-11-07 00:58:26,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 00:58:26,874 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-11-07 00:58:26,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:26,878 INFO L225 Difference]: With dead ends: 414 [2019-11-07 00:58:26,878 INFO L226 Difference]: Without dead ends: 411 [2019-11-07 00:58:26,879 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:58:26,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-11-07 00:58:26,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 379. [2019-11-07 00:58:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-11-07 00:58:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 431 transitions. [2019-11-07 00:58:26,934 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 431 transitions. Word has length 83 [2019-11-07 00:58:26,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:26,934 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 431 transitions. [2019-11-07 00:58:26,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:58:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 431 transitions. [2019-11-07 00:58:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-07 00:58:26,937 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:26,937 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:26,937 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:26,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:26,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1098775200, now seen corresponding path program 1 times [2019-11-07 00:58:26,938 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:26,938 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529562932] [2019-11-07 00:58:26,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:27,016 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529562932] [2019-11-07 00:58:27,017 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:27,017 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:58:27,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465162687] [2019-11-07 00:58:27,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:58:27,019 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:27,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:58:27,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:58:27,020 INFO L87 Difference]: Start difference. First operand 379 states and 431 transitions. Second operand 6 states. [2019-11-07 00:58:27,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:27,063 INFO L93 Difference]: Finished difference Result 748 states and 870 transitions. [2019-11-07 00:58:27,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:58:27,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-11-07 00:58:27,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:27,066 INFO L225 Difference]: With dead ends: 748 [2019-11-07 00:58:27,066 INFO L226 Difference]: Without dead ends: 393 [2019-11-07 00:58:27,068 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 00:58:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-11-07 00:58:27,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2019-11-07 00:58:27,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-11-07 00:58:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2019-11-07 00:58:27,103 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 99 [2019-11-07 00:58:27,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:27,104 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2019-11-07 00:58:27,104 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:58:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2019-11-07 00:58:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-07 00:58:27,108 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:27,108 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:27,109 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:27,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:27,109 INFO L82 PathProgramCache]: Analyzing trace with hash -205288862, now seen corresponding path program 1 times [2019-11-07 00:58:27,109 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:27,109 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832040763] [2019-11-07 00:58:27,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:27,210 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832040763] [2019-11-07 00:58:27,210 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:27,210 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:58:27,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149556557] [2019-11-07 00:58:27,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:58:27,211 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:27,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:58:27,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:58:27,212 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 8 states. [2019-11-07 00:58:27,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:27,257 INFO L93 Difference]: Finished difference Result 768 states and 892 transitions. [2019-11-07 00:58:27,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:27,265 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-11-07 00:58:27,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:27,268 INFO L225 Difference]: With dead ends: 768 [2019-11-07 00:58:27,268 INFO L226 Difference]: Without dead ends: 403 [2019-11-07 00:58:27,270 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 00:58:27,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-11-07 00:58:27,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 397. [2019-11-07 00:58:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-07 00:58:27,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 449 transitions. [2019-11-07 00:58:27,293 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 449 transitions. Word has length 99 [2019-11-07 00:58:27,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:27,294 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 449 transitions. [2019-11-07 00:58:27,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:58:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 449 transitions. [2019-11-07 00:58:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-07 00:58:27,296 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:27,296 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:27,296 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:27,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:27,297 INFO L82 PathProgramCache]: Analyzing trace with hash -213048221, now seen corresponding path program 1 times [2019-11-07 00:58:27,297 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:27,297 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640245315] [2019-11-07 00:58:27,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:58:27,369 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640245315] [2019-11-07 00:58:27,369 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:58:27,369 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:58:27,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783166656] [2019-11-07 00:58:27,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:58:27,370 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:27,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:58:27,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:58:27,371 INFO L87 Difference]: Start difference. First operand 397 states and 449 transitions. Second operand 4 states. [2019-11-07 00:58:27,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:27,620 INFO L93 Difference]: Finished difference Result 1179 states and 1402 transitions. [2019-11-07 00:58:27,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:58:27,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-11-07 00:58:27,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:27,632 INFO L225 Difference]: With dead ends: 1179 [2019-11-07 00:58:27,632 INFO L226 Difference]: Without dead ends: 806 [2019-11-07 00:58:27,634 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 00:58:27,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2019-11-07 00:58:27,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 791. [2019-11-07 00:58:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-11-07 00:58:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 921 transitions. [2019-11-07 00:58:27,732 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 921 transitions. Word has length 99 [2019-11-07 00:58:27,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:27,732 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 921 transitions. [2019-11-07 00:58:27,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:58:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 921 transitions. [2019-11-07 00:58:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 00:58:27,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:27,736 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:58:27,736 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:27,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:27,737 INFO L82 PathProgramCache]: Analyzing trace with hash -1140072279, now seen corresponding path program 1 times [2019-11-07 00:58:27,737 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:27,737 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519586407] [2019-11-07 00:58:27,738 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:27,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:58:27,935 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519586407] [2019-11-07 00:58:27,936 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081866618] [2019-11-07 00:58:27,936 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 00:58:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:28,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 00:58:28,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:58:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:58:28,493 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:58:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:58:29,615 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:58:29,616 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-11-07 00:58:29,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842949416] [2019-11-07 00:58:29,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:58:29,617 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:29,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:58:29,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:29,618 INFO L87 Difference]: Start difference. First operand 791 states and 921 transitions. Second operand 8 states. [2019-11-07 00:58:30,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:30,220 INFO L93 Difference]: Finished difference Result 1530 states and 1792 transitions. [2019-11-07 00:58:30,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:30,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-11-07 00:58:30,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:30,226 INFO L225 Difference]: With dead ends: 1530 [2019-11-07 00:58:30,227 INFO L226 Difference]: Without dead ends: 763 [2019-11-07 00:58:30,231 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:30,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2019-11-07 00:58:30,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 763. [2019-11-07 00:58:30,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2019-11-07 00:58:30,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 875 transitions. [2019-11-07 00:58:30,293 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 875 transitions. Word has length 103 [2019-11-07 00:58:30,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:30,294 INFO L462 AbstractCegarLoop]: Abstraction has 763 states and 875 transitions. [2019-11-07 00:58:30,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:58:30,294 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 875 transitions. [2019-11-07 00:58:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-07 00:58:30,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:30,299 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:58:30,508 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:30,508 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:30,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:30,509 INFO L82 PathProgramCache]: Analyzing trace with hash 890167406, now seen corresponding path program 1 times [2019-11-07 00:58:30,509 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:30,510 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906761833] [2019-11-07 00:58:30,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:58:30,750 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906761833] [2019-11-07 00:58:30,750 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064614822] [2019-11-07 00:58:30,751 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 00:58:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:30,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 00:58:30,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:58:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 00:58:31,031 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:58:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:58:31,269 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:58:31,269 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-11-07 00:58:31,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693783925] [2019-11-07 00:58:31,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:58:31,270 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:31,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:58:31,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:58:31,271 INFO L87 Difference]: Start difference. First operand 763 states and 875 transitions. Second operand 5 states. [2019-11-07 00:58:31,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:31,941 INFO L93 Difference]: Finished difference Result 1606 states and 1942 transitions. [2019-11-07 00:58:31,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:58:31,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2019-11-07 00:58:31,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:31,952 INFO L225 Difference]: With dead ends: 1606 [2019-11-07 00:58:31,952 INFO L226 Difference]: Without dead ends: 995 [2019-11-07 00:58:31,955 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 318 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:58:31,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 995 states. [2019-11-07 00:58:32,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 995 to 927. [2019-11-07 00:58:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2019-11-07 00:58:32,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1084 transitions. [2019-11-07 00:58:32,026 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1084 transitions. Word has length 159 [2019-11-07 00:58:32,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:32,027 INFO L462 AbstractCegarLoop]: Abstraction has 927 states and 1084 transitions. [2019-11-07 00:58:32,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:58:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1084 transitions. [2019-11-07 00:58:32,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-07 00:58:32,032 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:58:32,033 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:58:32,246 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:32,246 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:58:32,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:58:32,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1934361844, now seen corresponding path program 1 times [2019-11-07 00:58:32,247 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:58:32,249 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283262995] [2019-11-07 00:58:32,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:58:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 00:58:32,432 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283262995] [2019-11-07 00:58:32,432 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839858307] [2019-11-07 00:58:32,433 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 00:58:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:58:32,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 00:58:32,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:58:32,840 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 00:58:32,840 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:58:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 00:58:33,363 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:58:33,364 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-11-07 00:58:33,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831128922] [2019-11-07 00:58:33,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:58:33,365 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:58:33,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:58:33,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:33,366 INFO L87 Difference]: Start difference. First operand 927 states and 1084 transitions. Second operand 8 states. [2019-11-07 00:58:33,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:58:33,799 INFO L93 Difference]: Finished difference Result 1613 states and 1911 transitions. [2019-11-07 00:58:33,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:58:33,799 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2019-11-07 00:58:33,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:58:33,801 INFO L225 Difference]: With dead ends: 1613 [2019-11-07 00:58:33,801 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:58:33,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:58:33,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:58:33,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:58:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:58:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:58:33,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-11-07 00:58:33,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:58:33,807 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:58:33,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:58:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:58:33,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:58:34,012 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:58:34,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 00:58:34,796 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 16 [2019-11-07 00:58:34,923 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-11-07 00:58:35,128 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2019-11-07 00:58:35,621 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-11-07 00:58:35,743 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2019-11-07 00:58:36,132 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-11-07 00:58:36,256 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 23 [2019-11-07 00:58:36,397 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2019-11-07 00:58:36,844 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-11-07 00:58:36,969 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-11-07 00:58:37,864 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2019-11-07 00:58:38,141 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-11-07 00:58:38,446 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2019-11-07 00:58:38,723 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2019-11-07 00:58:38,891 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2019-11-07 00:58:38,891 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 671 675) no Hoare annotation was computed. [2019-11-07 00:58:38,891 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-11-07 00:58:38,891 INFO L443 ceAbstractionStarter]: For program point L665-2(lines 665 686) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 640 695) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point L687(lines 664 688) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 640 695) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 640 695) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 732) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point L728-1(lines 728 732) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 696 755) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 747) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 696 755) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point L748(lines 721 749) no Hoare annotation was computed. [2019-11-07 00:58:38,892 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 696 755) no Hoare annotation was computed. [2019-11-07 00:58:38,893 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-11-07 00:58:38,893 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-11-07 00:58:38,893 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 441 447) the Hoare annotation is: true [2019-11-07 00:58:38,893 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 441 447) no Hoare annotation was computed. [2019-11-07 00:58:38,893 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 448 456) no Hoare annotation was computed. [2019-11-07 00:58:38,893 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 448 456) the Hoare annotation is: true [2019-11-07 00:58:38,893 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 448 456) no Hoare annotation was computed. [2019-11-07 00:58:38,893 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:38,894 INFO L439 ceAbstractionStarter]: At program point L411(line 411) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:38,894 INFO L439 ceAbstractionStarter]: At program point L411-1(line 411) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:38,894 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-11-07 00:58:38,894 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2019-11-07 00:58:38,894 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2019-11-07 00:58:38,894 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-07 00:58:38,895 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:38,895 INFO L439 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:38,895 INFO L439 ceAbstractionStarter]: At program point L405-1(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:38,895 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2019-11-07 00:58:38,895 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 355 378) no Hoare annotation was computed. [2019-11-07 00:58:38,895 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 355 378) no Hoare annotation was computed. [2019-11-07 00:58:38,895 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 355 378) no Hoare annotation was computed. [2019-11-07 00:58:38,896 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-11-07 00:58:38,896 INFO L443 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2019-11-07 00:58:38,896 INFO L443 ceAbstractionStarter]: For program point L371(line 371) no Hoare annotation was computed. [2019-11-07 00:58:38,896 INFO L443 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-11-07 00:58:38,896 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-11-07 00:58:38,896 INFO L443 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-11-07 00:58:38,896 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-11-07 00:58:38,896 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-11-07 00:58:38,897 INFO L443 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2019-11-07 00:58:38,897 INFO L443 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2019-11-07 00:58:38,897 INFO L443 ceAbstractionStarter]: For program point L363(line 363) no Hoare annotation was computed. [2019-11-07 00:58:38,897 INFO L443 ceAbstractionStarter]: For program point L362(line 362) no Hoare annotation was computed. [2019-11-07 00:58:38,897 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-11-07 00:58:38,897 INFO L443 ceAbstractionStarter]: For program point L360(line 360) no Hoare annotation was computed. [2019-11-07 00:58:38,897 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-11-07 00:58:38,897 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-11-07 00:58:38,898 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:38,898 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-11-07 00:58:38,898 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2019-11-07 00:58:38,898 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 156 180) no Hoare annotation was computed. [2019-11-07 00:58:38,898 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0 .cse3) (or .cse0 .cse1 .cse3))) [2019-11-07 00:58:38,898 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:38,899 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-11-07 00:58:38,899 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-11-07 00:58:38,899 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 251 259) no Hoare annotation was computed. [2019-11-07 00:58:38,899 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 251 259) the Hoare annotation is: true [2019-11-07 00:58:38,899 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 251 259) no Hoare annotation was computed. [2019-11-07 00:58:38,899 INFO L443 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-11-07 00:58:38,899 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 287) no Hoare annotation was computed. [2019-11-07 00:58:38,899 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 287) no Hoare annotation was computed. [2019-11-07 00:58:38,900 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 260 295) no Hoare annotation was computed. [2019-11-07 00:58:38,900 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 275) no Hoare annotation was computed. [2019-11-07 00:58:38,900 INFO L443 ceAbstractionStarter]: For program point L267-2(lines 267 275) no Hoare annotation was computed. [2019-11-07 00:58:38,900 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 260 295) no Hoare annotation was computed. [2019-11-07 00:58:38,900 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 260 295) no Hoare annotation was computed. [2019-11-07 00:58:38,900 INFO L443 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2019-11-07 00:58:38,900 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 434 440) no Hoare annotation was computed. [2019-11-07 00:58:38,900 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 434 440) the Hoare annotation is: true [2019-11-07 00:58:38,900 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 594 639) no Hoare annotation was computed. [2019-11-07 00:58:38,901 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 594 639) no Hoare annotation was computed. [2019-11-07 00:58:38,901 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 594 639) no Hoare annotation was computed. [2019-11-07 00:58:38,901 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 934) no Hoare annotation was computed. [2019-11-07 00:58:38,901 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 907 952) no Hoare annotation was computed. [2019-11-07 00:58:38,901 INFO L443 ceAbstractionStarter]: For program point L921(lines 921 941) no Hoare annotation was computed. [2019-11-07 00:58:38,901 INFO L443 ceAbstractionStarter]: For program point L921-1(lines 921 941) no Hoare annotation was computed. [2019-11-07 00:58:38,901 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 907 952) no Hoare annotation was computed. [2019-11-07 00:58:38,901 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 907 952) no Hoare annotation was computed. [2019-11-07 00:58:38,902 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 386 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:38,902 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 386 395) no Hoare annotation was computed. [2019-11-07 00:58:38,902 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 386 395) no Hoare annotation was computed. [2019-11-07 00:58:38,902 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 240 250) the Hoare annotation is: true [2019-11-07 00:58:38,902 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 240 250) no Hoare annotation was computed. [2019-11-07 00:58:38,902 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 240 250) no Hoare annotation was computed. [2019-11-07 00:58:38,902 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-11-07 00:58:38,902 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-11-07 00:58:38,902 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 232 239) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-11-07 00:58:38,903 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2019-11-07 00:58:38,903 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 232 239) no Hoare annotation was computed. [2019-11-07 00:58:38,903 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-11-07 00:58:38,903 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 573 586) no Hoare annotation was computed. [2019-11-07 00:58:38,903 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 573 586) the Hoare annotation is: true [2019-11-07 00:58:38,903 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 573 586) no Hoare annotation was computed. [2019-11-07 00:58:38,903 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-11-07 00:58:38,903 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 198) no Hoare annotation was computed. [2019-11-07 00:58:38,904 INFO L439 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-11-07 00:58:38,904 INFO L443 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2019-11-07 00:58:38,904 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 203) no Hoare annotation was computed. [2019-11-07 00:58:38,904 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 182 206) no Hoare annotation was computed. [2019-11-07 00:58:38,904 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 182 206) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:38,904 INFO L439 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-11-07 00:58:38,904 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 182 206) no Hoare annotation was computed. [2019-11-07 00:58:38,905 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-11-07 00:58:38,905 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2019-11-07 00:58:38,905 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2019-11-07 00:58:38,905 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:38,905 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-11-07 00:58:38,905 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:38,906 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-07 00:58:38,906 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:38,906 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-11-07 00:58:38,906 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-07 00:58:38,906 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)))) [2019-11-07 00:58:38,906 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-07 00:58:38,906 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-11-07 00:58:38,907 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)))) [2019-11-07 00:58:38,907 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 .cse1 (= ~pumpRunning~0 0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:58:38,907 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-07 00:58:38,907 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-11-07 00:58:38,907 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-11-07 00:58:38,907 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:58:38,907 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-11-07 00:58:38,907 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 861 906) no Hoare annotation was computed. [2019-11-07 00:58:38,908 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 861 906) no Hoare annotation was computed. [2019-11-07 00:58:38,908 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 888) no Hoare annotation was computed. [2019-11-07 00:58:38,908 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 861 906) no Hoare annotation was computed. [2019-11-07 00:58:38,908 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 895) no Hoare annotation was computed. [2019-11-07 00:58:38,908 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 895) no Hoare annotation was computed. [2019-11-07 00:58:38,908 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 207 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 00:58:38,908 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 207 214) no Hoare annotation was computed. [2019-11-07 00:58:38,908 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 207 214) no Hoare annotation was computed. [2019-11-07 00:58:38,909 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 541 563) no Hoare annotation was computed. [2019-11-07 00:58:38,909 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 541 563) no Hoare annotation was computed. [2019-11-07 00:58:38,909 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 557) no Hoare annotation was computed. [2019-11-07 00:58:38,909 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 541 563) no Hoare annotation was computed. [2019-11-07 00:58:38,909 INFO L443 ceAbstractionStarter]: For program point L549-2(lines 549 557) no Hoare annotation was computed. [2019-11-07 00:58:38,909 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 424 433) no Hoare annotation was computed. [2019-11-07 00:58:38,909 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 424 433) no Hoare annotation was computed. [2019-11-07 00:58:38,909 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 424 433) no Hoare annotation was computed. [2019-11-07 00:58:38,909 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 758 860) no Hoare annotation was computed. [2019-11-07 00:58:38,910 INFO L443 ceAbstractionStarter]: For program point L828(lines 806 829) no Hoare annotation was computed. [2019-11-07 00:58:38,910 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 803) no Hoare annotation was computed. [2019-11-07 00:58:38,910 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 854) no Hoare annotation was computed. [2019-11-07 00:58:38,910 INFO L443 ceAbstractionStarter]: For program point L808(lines 807 827) no Hoare annotation was computed. [2019-11-07 00:58:38,910 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-11-07 00:58:38,910 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-11-07 00:58:38,910 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 758 860) no Hoare annotation was computed. [2019-11-07 00:58:38,910 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 845) no Hoare annotation was computed. [2019-11-07 00:58:38,910 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-11-07 00:58:38,911 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-11-07 00:58:38,911 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 758 860) no Hoare annotation was computed. [2019-11-07 00:58:38,911 INFO L443 ceAbstractionStarter]: For program point L782(lines 782 786) no Hoare annotation was computed. [2019-11-07 00:58:38,911 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 857) no Hoare annotation was computed. [2019-11-07 00:58:38,911 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 813) no Hoare annotation was computed. [2019-11-07 00:58:38,911 INFO L443 ceAbstractionStarter]: For program point L807-2(lines 807 827) no Hoare annotation was computed. [2019-11-07 00:58:38,911 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:58:38,911 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 00:58:38,911 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:58:38,911 INFO L443 ceAbstractionStarter]: For program point L226-1(lines 215 231) no Hoare annotation was computed. [2019-11-07 00:58:38,912 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-11-07 00:58:38,912 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-11-07 00:58:38,912 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 215 231) no Hoare annotation was computed. [2019-11-07 00:58:38,912 INFO L443 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2019-11-07 00:58:38,912 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 215 231) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-11-07 00:58:38,912 INFO L439 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-11-07 00:58:38,913 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 309) no Hoare annotation was computed. [2019-11-07 00:58:38,913 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 296 314) no Hoare annotation was computed. [2019-11-07 00:58:38,913 INFO L446 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: true [2019-11-07 00:58:38,913 INFO L443 ceAbstractionStarter]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2019-11-07 00:58:38,913 INFO L443 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2019-11-07 00:58:38,913 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 296 314) the Hoare annotation is: true [2019-11-07 00:58:38,913 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 296 314) no Hoare annotation was computed. [2019-11-07 00:58:38,913 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 564 572) no Hoare annotation was computed. [2019-11-07 00:58:38,913 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 564 572) no Hoare annotation was computed. [2019-11-07 00:58:38,914 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 564 572) no Hoare annotation was computed. [2019-11-07 00:58:38,914 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 520 531) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-11-07 00:58:38,914 INFO L443 ceAbstractionStarter]: For program point L524-1(lines 520 531) no Hoare annotation was computed. [2019-11-07 00:58:38,914 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 520 531) no Hoare annotation was computed. [2019-11-07 00:58:38,914 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:58:38,914 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 00:58:38,914 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:58:38,914 INFO L443 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2019-11-07 00:58:38,915 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse7 .cse8 .cse1) (or .cse2 .cse8 .cse0 .cse1 .cse3) (or .cse7 .cse1 .cse4) (or .cse8 .cse5 .cse1 .cse6)))) [2019-11-07 00:58:38,915 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2019-11-07 00:58:38,915 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse6 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not .cse3)) (.cse4 (and (not .cse6) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse8) (or .cse6 .cse0 .cse5 .cse1 .cse7) (or .cse3 .cse4 .cse1 .cse8 .cse5)))) [2019-11-07 00:58:38,915 INFO L439 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse10 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not .cse3)) (.cse7 (and .cse4 .cse1)) (.cse5 (not .cse10)) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and (= 1 ~systemActive~0) .cse4 (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 (and .cse5 .cse6) .cse2) (or (and (<= 2 ~waterLevel~0) .cse6) .cse7 .cse2 (and .cse1 .cse6) .cse8 .cse9) (or .cse10 .cse0 .cse4 .cse2 .cse11) (or .cse4 .cse2 .cse11 .cse8 .cse10) (or .cse3 .cse7 .cse5 .cse2 .cse8 .cse9)))) [2019-11-07 00:58:38,915 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2019-11-07 00:58:38,916 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3)) (or .cse1 .cse0 .cse4) (or (and .cse2 .cse3) .cse0 .cse4))) [2019-11-07 00:58:38,916 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2019-11-07 00:58:38,916 INFO L446 ceAbstractionStarter]: At program point L350(lines 325 354) the Hoare annotation is: true [2019-11-07 00:58:38,916 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2019-11-07 00:58:38,916 INFO L443 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2019-11-07 00:58:38,916 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-11-07 00:58:38,916 INFO L446 ceAbstractionStarter]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2019-11-07 00:58:38,916 INFO L443 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2019-11-07 00:58:38,916 INFO L446 ceAbstractionStarter]: At program point L335-2(lines 335 349) the Hoare annotation is: true [2019-11-07 00:58:38,917 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-11-07 00:58:38,917 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-11-07 00:58:38,917 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 532 540) the Hoare annotation is: true [2019-11-07 00:58:38,917 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 532 540) no Hoare annotation was computed. [2019-11-07 00:58:38,917 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 532 540) no Hoare annotation was computed. [2019-11-07 00:58:38,917 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 496 507) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2)))) [2019-11-07 00:58:38,917 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 496 507) no Hoare annotation was computed. [2019-11-07 00:58:38,917 INFO L443 ceAbstractionStarter]: For program point L500-1(lines 496 507) no Hoare annotation was computed. [2019-11-07 00:58:38,917 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2019-11-07 00:58:38,918 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2019-11-07 00:58:38,918 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:58:38,918 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-07 00:58:38,918 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:58:38,918 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:58:38,918 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 315 322) no Hoare annotation was computed. [2019-11-07 00:58:38,918 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 315 322) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-11-07 00:58:38,918 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 315 322) no Hoare annotation was computed. [2019-11-07 00:58:38,919 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 508 519) no Hoare annotation was computed. [2019-11-07 00:58:38,919 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 508 519) no Hoare annotation was computed. [2019-11-07 00:58:38,919 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 508 519) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse1 .cse4)) (or .cse6 (or .cse0 .cse1) .cse5) (or .cse2 .cse6 .cse0 .cse1 .cse3))) [2019-11-07 00:58:38,919 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 458 465) no Hoare annotation was computed. [2019-11-07 00:58:38,919 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 458 465) the Hoare annotation is: true [2019-11-07 00:58:38,919 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-11-07 00:58:38,919 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 458 465) no Hoare annotation was computed. [2019-11-07 00:58:38,920 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:58:38,920 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-11-07 00:58:38,920 INFO L439 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 00:58:38,920 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 467 491) the Hoare annotation is: true [2019-11-07 00:58:38,920 INFO L443 ceAbstractionStarter]: For program point L477-1(line 477) no Hoare annotation was computed. [2019-11-07 00:58:38,920 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 488) no Hoare annotation was computed. [2019-11-07 00:58:38,920 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 467 491) no Hoare annotation was computed. [2019-11-07 00:58:38,920 INFO L446 ceAbstractionStarter]: At program point L473(line 473) the Hoare annotation is: true [2019-11-07 00:58:38,920 INFO L443 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2019-11-07 00:58:38,920 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 467 491) no Hoare annotation was computed. [2019-11-07 00:58:38,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:58:38 BoogieIcfgContainer [2019-11-07 00:58:38,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:58:38,936 INFO L168 Benchmark]: Toolchain (without parser) took 17567.54 ms. Allocated memory was 138.4 MB in the beginning and 492.8 MB in the end (delta: 354.4 MB). Free memory was 100.7 MB in the beginning and 323.3 MB in the end (delta: -222.6 MB). Peak memory consumption was 318.6 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:38,937 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 00:58:38,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.72 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 100.5 MB in the beginning and 166.6 MB in the end (delta: -66.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:38,939 INFO L168 Benchmark]: Boogie Preprocessor took 83.10 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 162.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:38,939 INFO L168 Benchmark]: RCFGBuilder took 1204.44 ms. Allocated memory was 200.3 MB in the beginning and 233.3 MB in the end (delta: 33.0 MB). Free memory was 162.7 MB in the beginning and 194.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:38,940 INFO L168 Benchmark]: TraceAbstraction took 15583.89 ms. Allocated memory was 233.3 MB in the beginning and 492.8 MB in the end (delta: 259.5 MB). Free memory was 194.5 MB in the beginning and 323.3 MB in the end (delta: -128.8 MB). Peak memory consumption was 317.4 MB. Max. memory is 7.1 GB. [2019-11-07 00:58:38,944 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 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 691.72 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 100.5 MB in the beginning and 166.6 MB in the end (delta: -66.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.10 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 162.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1204.44 ms. Allocated memory was 200.3 MB in the beginning and 233.3 MB in the end (delta: 33.0 MB). Free memory was 162.7 MB in the beginning and 194.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15583.89 ms. Allocated memory was 233.3 MB in the beginning and 492.8 MB in the end (delta: 259.5 MB). Free memory was 194.5 MB in the beginning and 323.3 MB in the end (delta: -128.8 MB). Peak memory consumption was 317.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: 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: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 15.5s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, HoareTripleCheckerStatistics: 2130 SDtfs, 1200 SDslu, 5172 SDs, 0 SdLazy, 1887 SolverSat, 417 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 962 GetRequests, 848 SyntacticMatches, 14 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=927occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 150 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1943 PreInvPairs, 2083 NumberOfFragments, 1701 HoareAnnotationTreeSize, 1943 FomulaSimplifications, 4713 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 10684 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1503 NumberOfCodeBlocks, 1503 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1902 ConstructedInterpolants, 0 QuantifiedInterpolants, 352966 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2596 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 308/324 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...