/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:59:35,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:59:35,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:59:35,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:59:35,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:59:35,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:59:35,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:59:35,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:59:35,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:59:35,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:59:35,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:59:35,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:59:35,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:59:35,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:59:35,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:59:35,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:59:35,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:59:35,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:59:35,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:59:35,915 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:59:35,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:59:35,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:59:35,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:59:35,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:59:35,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:59:35,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:59:35,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:59:35,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:59:35,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:59:35,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:59:35,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:59:35,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:59:35,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:59:35,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:59:35,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:59:35,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:59:35,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:59:35,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:59:35,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:59:35,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:59:35,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:59:35,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 00:59:35,949 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:59:35,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:59:35,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:59:35,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:59:35,951 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:59:35,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:59:35,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:59:35,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:59:35,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:59:35,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:59:35,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:59:35,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:59:35,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:59:35,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:59:35,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:59:35,953 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:59:35,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:59:35,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:59:35,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:59:35,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:59:35,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:59:35,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:59:35,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:59:35,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:59:35,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:59:35,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:59:35,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:59:35,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:59:35,956 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:59:36,255 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:59:36,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:59:36,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:59:36,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:59:36,274 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:59:36,275 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2019-11-07 00:59:36,356 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b744e694b/292b3fbe613d4d018def70af995dbfdc/FLAG65f40e612 [2019-11-07 00:59:36,946 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:59:36,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2019-11-07 00:59:36,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b744e694b/292b3fbe613d4d018def70af995dbfdc/FLAG65f40e612 [2019-11-07 00:59:37,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b744e694b/292b3fbe613d4d018def70af995dbfdc [2019-11-07 00:59:37,298 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:59:37,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:59:37,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:59:37,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:59:37,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:59:37,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:37" (1/1) ... [2019-11-07 00:59:37,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f3f585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:37, skipping insertion in model container [2019-11-07 00:59:37,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:37" (1/1) ... [2019-11-07 00:59:37,331 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:59:37,454 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:59:37,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:59:37,985 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:59:38,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:59:38,175 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:59:38,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38 WrapperNode [2019-11-07 00:59:38,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:59:38,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:59:38,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:59:38,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:59:38,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38" (1/1) ... [2019-11-07 00:59:38,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38" (1/1) ... [2019-11-07 00:59:38,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38" (1/1) ... [2019-11-07 00:59:38,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38" (1/1) ... [2019-11-07 00:59:38,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38" (1/1) ... [2019-11-07 00:59:38,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38" (1/1) ... [2019-11-07 00:59:38,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38" (1/1) ... [2019-11-07 00:59:38,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:59:38,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:59:38,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:59:38,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:59:38,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:59:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:59:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:59:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:59:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:59:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:59:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:59:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:59:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:59:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:59:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:59:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:59:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:59:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:59:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:59:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 00:59:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 00:59:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 00:59:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 00:59:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:59:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 00:59:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:59:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 00:59:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 00:59:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 00:59:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 00:59:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 00:59:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 00:59:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 00:59:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 00:59:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 00:59:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 00:59:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 00:59:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 00:59:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 00:59:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 00:59:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 00:59:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 00:59:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 00:59:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 00:59:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 00:59:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:59:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:59:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:59:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:59:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:59:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:59:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:59:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:59:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:59:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:59:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:59:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:59:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:59:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:59:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:59:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:59:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:59:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:59:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:59:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:59:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:59:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:59:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:59:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:59:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:59:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:59:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 00:59:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 00:59:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 00:59:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 00:59:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 00:59:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 00:59:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 00:59:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 00:59:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 00:59:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 00:59:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:59:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:59:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 00:59:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:59:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 00:59:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 00:59:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 00:59:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 00:59:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 00:59:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 00:59:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 00:59:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 00:59:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 00:59:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 00:59:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 00:59:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 00:59:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 00:59:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:59:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:59:38,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:59:39,421 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:59:39,422 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 00:59:39,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:39 BoogieIcfgContainer [2019-11-07 00:59:39,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:59:39,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:59:39,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:59:39,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:59:39,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:59:37" (1/3) ... [2019-11-07 00:59:39,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788d0b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:39, skipping insertion in model container [2019-11-07 00:59:39,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:38" (2/3) ... [2019-11-07 00:59:39,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788d0b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:39, skipping insertion in model container [2019-11-07 00:59:39,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:39" (3/3) ... [2019-11-07 00:59:39,432 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2019-11-07 00:59:39,443 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:59:39,455 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:59:39,467 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:59:39,505 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:59:39,505 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:59:39,506 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:59:39,506 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:59:39,506 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:59:39,506 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:59:39,506 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:59:39,506 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:59:39,535 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2019-11-07 00:59:39,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:59:39,549 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:39,550 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:39,552 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:39,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:39,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1859141612, now seen corresponding path program 1 times [2019-11-07 00:59:39,568 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:39,568 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989013419] [2019-11-07 00:59:39,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:39,930 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989013419] [2019-11-07 00:59:39,931 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:39,931 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 00:59:39,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233581239] [2019-11-07 00:59:39,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:59:39,939 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:39,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 00:59:39,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:59:39,954 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 2 states. [2019-11-07 00:59:40,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:40,000 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2019-11-07 00:59:40,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:59:40,003 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-11-07 00:59:40,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:40,020 INFO L225 Difference]: With dead ends: 278 [2019-11-07 00:59:40,020 INFO L226 Difference]: Without dead ends: 141 [2019-11-07 00:59:40,030 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:59:40,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-11-07 00:59:40,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2019-11-07 00:59:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2019-11-07 00:59:40,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2019-11-07 00:59:40,112 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2019-11-07 00:59:40,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:40,113 INFO L462 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2019-11-07 00:59:40,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:59:40,113 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2019-11-07 00:59:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:59:40,117 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:40,117 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:40,118 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:40,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:40,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2121847036, now seen corresponding path program 1 times [2019-11-07 00:59:40,119 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:40,119 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514052213] [2019-11-07 00:59:40,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:40,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:40,229 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514052213] [2019-11-07 00:59:40,229 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:40,229 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:59:40,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053174009] [2019-11-07 00:59:40,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:59:40,232 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:40,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:59:40,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:40,233 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2019-11-07 00:59:40,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:40,279 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2019-11-07 00:59:40,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:59:40,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-11-07 00:59:40,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:40,283 INFO L225 Difference]: With dead ends: 221 [2019-11-07 00:59:40,283 INFO L226 Difference]: Without dead ends: 132 [2019-11-07 00:59:40,285 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:40,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-11-07 00:59:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2019-11-07 00:59:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2019-11-07 00:59:40,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2019-11-07 00:59:40,307 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2019-11-07 00:59:40,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:40,307 INFO L462 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2019-11-07 00:59:40,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:59:40,308 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2019-11-07 00:59:40,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 00:59:40,313 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:40,313 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] [2019-11-07 00:59:40,314 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:40,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:40,314 INFO L82 PathProgramCache]: Analyzing trace with hash 51071948, now seen corresponding path program 1 times [2019-11-07 00:59:40,314 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:40,315 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748471088] [2019-11-07 00:59:40,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:40,504 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748471088] [2019-11-07 00:59:40,504 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:40,504 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:59:40,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815968138] [2019-11-07 00:59:40,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:59:40,508 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:40,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:59:40,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:40,509 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 7 states. [2019-11-07 00:59:41,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:41,095 INFO L93 Difference]: Finished difference Result 391 states and 480 transitions. [2019-11-07 00:59:41,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:59:41,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 00:59:41,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:41,101 INFO L225 Difference]: With dead ends: 391 [2019-11-07 00:59:41,101 INFO L226 Difference]: Without dead ends: 287 [2019-11-07 00:59:41,102 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:59:41,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2019-11-07 00:59:41,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2019-11-07 00:59:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-11-07 00:59:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 342 transitions. [2019-11-07 00:59:41,147 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 342 transitions. Word has length 56 [2019-11-07 00:59:41,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:41,148 INFO L462 AbstractCegarLoop]: Abstraction has 279 states and 342 transitions. [2019-11-07 00:59:41,148 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:59:41,148 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 342 transitions. [2019-11-07 00:59:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-07 00:59:41,151 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:41,151 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] [2019-11-07 00:59:41,151 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:41,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:41,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1476511447, now seen corresponding path program 1 times [2019-11-07 00:59:41,152 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:41,152 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504490706] [2019-11-07 00:59:41,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:41,267 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504490706] [2019-11-07 00:59:41,267 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:41,267 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:59:41,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489031151] [2019-11-07 00:59:41,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:59:41,268 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:41,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:59:41,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:59:41,269 INFO L87 Difference]: Start difference. First operand 279 states and 342 transitions. Second operand 6 states. [2019-11-07 00:59:41,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:41,533 INFO L93 Difference]: Finished difference Result 763 states and 960 transitions. [2019-11-07 00:59:41,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:41,535 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-11-07 00:59:41,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:41,542 INFO L225 Difference]: With dead ends: 763 [2019-11-07 00:59:41,542 INFO L226 Difference]: Without dead ends: 512 [2019-11-07 00:59:41,548 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:59:41,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2019-11-07 00:59:41,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2019-11-07 00:59:41,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2019-11-07 00:59:41,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 624 transitions. [2019-11-07 00:59:41,633 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 624 transitions. Word has length 62 [2019-11-07 00:59:41,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:41,637 INFO L462 AbstractCegarLoop]: Abstraction has 506 states and 624 transitions. [2019-11-07 00:59:41,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:59:41,638 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 624 transitions. [2019-11-07 00:59:41,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-07 00:59:41,645 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:41,646 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] [2019-11-07 00:59:41,651 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:41,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:41,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1658122107, now seen corresponding path program 1 times [2019-11-07 00:59:41,651 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:41,652 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900002805] [2019-11-07 00:59:41,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:41,815 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900002805] [2019-11-07 00:59:41,816 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:41,816 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:59:41,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613731408] [2019-11-07 00:59:41,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:59:41,819 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:41,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:59:41,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:41,820 INFO L87 Difference]: Start difference. First operand 506 states and 624 transitions. Second operand 7 states. [2019-11-07 00:59:42,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:42,550 INFO L93 Difference]: Finished difference Result 1329 states and 1750 transitions. [2019-11-07 00:59:42,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 00:59:42,551 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-11-07 00:59:42,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:42,557 INFO L225 Difference]: With dead ends: 1329 [2019-11-07 00:59:42,557 INFO L226 Difference]: Without dead ends: 851 [2019-11-07 00:59:42,559 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:59:42,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2019-11-07 00:59:42,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 755. [2019-11-07 00:59:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2019-11-07 00:59:42,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 919 transitions. [2019-11-07 00:59:42,626 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 919 transitions. Word has length 66 [2019-11-07 00:59:42,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:42,628 INFO L462 AbstractCegarLoop]: Abstraction has 755 states and 919 transitions. [2019-11-07 00:59:42,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:59:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 919 transitions. [2019-11-07 00:59:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 00:59:42,634 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:42,634 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 00:59:42,634 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:42,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:42,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1979078966, now seen corresponding path program 1 times [2019-11-07 00:59:42,635 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:42,635 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179511602] [2019-11-07 00:59:42,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:42,747 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 00:59:42,747 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179511602] [2019-11-07 00:59:42,748 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:42,748 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:59:42,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440178246] [2019-11-07 00:59:42,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:59:42,749 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:42,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:59:42,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:59:42,750 INFO L87 Difference]: Start difference. First operand 755 states and 919 transitions. Second operand 4 states. [2019-11-07 00:59:43,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:43,089 INFO L93 Difference]: Finished difference Result 2784 states and 3604 transitions. [2019-11-07 00:59:43,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:59:43,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-11-07 00:59:43,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:43,103 INFO L225 Difference]: With dead ends: 2784 [2019-11-07 00:59:43,103 INFO L226 Difference]: Without dead ends: 2057 [2019-11-07 00:59:43,106 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:59:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2019-11-07 00:59:43,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2011. [2019-11-07 00:59:43,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2011 states. [2019-11-07 00:59:43,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2537 transitions. [2019-11-07 00:59:43,234 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2537 transitions. Word has length 103 [2019-11-07 00:59:43,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:43,235 INFO L462 AbstractCegarLoop]: Abstraction has 2011 states and 2537 transitions. [2019-11-07 00:59:43,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:59:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2537 transitions. [2019-11-07 00:59:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 00:59:43,240 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:43,240 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 00:59:43,240 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:43,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:43,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1738538837, now seen corresponding path program 1 times [2019-11-07 00:59:43,241 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:43,241 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872789145] [2019-11-07 00:59:43,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:43,317 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 00:59:43,317 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872789145] [2019-11-07 00:59:43,318 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:43,318 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:59:43,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688145872] [2019-11-07 00:59:43,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:59:43,319 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:43,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:59:43,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:59:43,319 INFO L87 Difference]: Start difference. First operand 2011 states and 2537 transitions. Second operand 6 states. [2019-11-07 00:59:43,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:43,438 INFO L93 Difference]: Finished difference Result 4078 states and 5370 transitions. [2019-11-07 00:59:43,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:59:43,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-11-07 00:59:43,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:43,454 INFO L225 Difference]: With dead ends: 4078 [2019-11-07 00:59:43,454 INFO L226 Difference]: Without dead ends: 2095 [2019-11-07 00:59:43,461 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:43,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2019-11-07 00:59:43,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2071. [2019-11-07 00:59:43,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2019-11-07 00:59:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2601 transitions. [2019-11-07 00:59:43,577 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2601 transitions. Word has length 103 [2019-11-07 00:59:43,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:43,578 INFO L462 AbstractCegarLoop]: Abstraction has 2071 states and 2601 transitions. [2019-11-07 00:59:43,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:59:43,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2601 transitions. [2019-11-07 00:59:43,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 00:59:43,583 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:43,583 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 00:59:43,583 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:43,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:43,584 INFO L82 PathProgramCache]: Analyzing trace with hash 189733865, now seen corresponding path program 1 times [2019-11-07 00:59:43,584 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:43,584 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109752312] [2019-11-07 00:59:43,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:43,675 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 00:59:43,675 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109752312] [2019-11-07 00:59:43,676 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:43,676 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:59:43,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943006725] [2019-11-07 00:59:43,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:59:43,677 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:43,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:59:43,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:43,678 INFO L87 Difference]: Start difference. First operand 2071 states and 2601 transitions. Second operand 8 states. [2019-11-07 00:59:43,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:43,836 INFO L93 Difference]: Finished difference Result 3758 states and 4868 transitions. [2019-11-07 00:59:43,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:43,837 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-11-07 00:59:43,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:43,853 INFO L225 Difference]: With dead ends: 3758 [2019-11-07 00:59:43,854 INFO L226 Difference]: Without dead ends: 1715 [2019-11-07 00:59:43,867 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:43,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2019-11-07 00:59:43,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1715. [2019-11-07 00:59:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1715 states. [2019-11-07 00:59:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2123 transitions. [2019-11-07 00:59:43,994 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2123 transitions. Word has length 103 [2019-11-07 00:59:43,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:43,994 INFO L462 AbstractCegarLoop]: Abstraction has 1715 states and 2123 transitions. [2019-11-07 00:59:43,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:59:43,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2123 transitions. [2019-11-07 00:59:44,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-07 00:59:44,000 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:44,000 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, 1, 1, 1, 1] [2019-11-07 00:59:44,001 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:44,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:44,001 INFO L82 PathProgramCache]: Analyzing trace with hash -237992882, now seen corresponding path program 1 times [2019-11-07 00:59:44,001 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:44,001 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241385597] [2019-11-07 00:59:44,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:44,164 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 00:59:44,165 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241385597] [2019-11-07 00:59:44,165 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332766550] [2019-11-07 00:59:44,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:44,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 00:59:44,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:44,593 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 00:59:44,594 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:45,545 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 00:59:45,546 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:45,546 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-11-07 00:59:45,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649479823] [2019-11-07 00:59:45,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:59:45,547 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:45,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:59:45,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:59:45,548 INFO L87 Difference]: Start difference. First operand 1715 states and 2123 transitions. Second operand 8 states. [2019-11-07 00:59:45,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:45,877 INFO L93 Difference]: Finished difference Result 3376 states and 4198 transitions. [2019-11-07 00:59:45,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:45,877 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-11-07 00:59:45,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:45,886 INFO L225 Difference]: With dead ends: 3376 [2019-11-07 00:59:45,887 INFO L226 Difference]: Without dead ends: 1689 [2019-11-07 00:59:45,892 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 197 SyntacticMatches, 7 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 00:59:45,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2019-11-07 00:59:46,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1689. [2019-11-07 00:59:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1689 states. [2019-11-07 00:59:46,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2047 transitions. [2019-11-07 00:59:46,040 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2047 transitions. Word has length 107 [2019-11-07 00:59:46,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:46,040 INFO L462 AbstractCegarLoop]: Abstraction has 1689 states and 2047 transitions. [2019-11-07 00:59:46,040 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:59:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2047 transitions. [2019-11-07 00:59:46,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-07 00:59:46,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:46,047 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:46,250 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:46,250 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:46,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:46,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1406978150, now seen corresponding path program 1 times [2019-11-07 00:59:46,251 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:46,251 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946463161] [2019-11-07 00:59:46,251 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:59:46,375 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946463161] [2019-11-07 00:59:46,375 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380959010] [2019-11-07 00:59:46,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:46,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 00:59:46,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:46,628 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 00:59:46,628 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:59:46,869 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:46,869 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-11-07 00:59:46,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022989710] [2019-11-07 00:59:46,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:59:46,870 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:46,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:59:46,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:46,871 INFO L87 Difference]: Start difference. First operand 1689 states and 2047 transitions. Second operand 5 states. [2019-11-07 00:59:47,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:47,605 INFO L93 Difference]: Finished difference Result 3678 states and 4723 transitions. [2019-11-07 00:59:47,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:47,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 162 [2019-11-07 00:59:47,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:47,622 INFO L225 Difference]: With dead ends: 3678 [2019-11-07 00:59:47,622 INFO L226 Difference]: Without dead ends: 2333 [2019-11-07 00:59:47,628 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 324 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 00:59:47,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2333 states. [2019-11-07 00:59:47,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2333 to 2125. [2019-11-07 00:59:47,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2125 states. [2019-11-07 00:59:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2629 transitions. [2019-11-07 00:59:47,760 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2629 transitions. Word has length 162 [2019-11-07 00:59:47,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:47,761 INFO L462 AbstractCegarLoop]: Abstraction has 2125 states and 2629 transitions. [2019-11-07 00:59:47,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:59:47,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2629 transitions. [2019-11-07 00:59:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-07 00:59:47,768 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:47,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:47,983 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:47,984 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:47,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:47,984 INFO L82 PathProgramCache]: Analyzing trace with hash 926596768, now seen corresponding path program 1 times [2019-11-07 00:59:47,985 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:47,985 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921331100] [2019-11-07 00:59:47,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 00:59:48,234 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921331100] [2019-11-07 00:59:48,235 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631469157] [2019-11-07 00:59:48,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:48,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 00:59:48,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 00:59:48,784 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 00:59:49,332 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:49,332 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-11-07 00:59:49,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546715374] [2019-11-07 00:59:49,334 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:59:49,334 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:49,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:59:49,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:59:49,335 INFO L87 Difference]: Start difference. First operand 2125 states and 2629 transitions. Second operand 8 states. [2019-11-07 00:59:49,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:49,815 INFO L93 Difference]: Finished difference Result 3723 states and 4697 transitions. [2019-11-07 00:59:49,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:49,815 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2019-11-07 00:59:49,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:49,817 INFO L225 Difference]: With dead ends: 3723 [2019-11-07 00:59:49,817 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:59:49,826 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 5 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 00:59:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:59:49,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:59:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:59:49,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:59:49,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2019-11-07 00:59:49,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:49,828 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:59:49,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:59:49,828 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:59:49,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:59:50,033 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:50,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 00:59:51,713 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-11-07 00:59:52,419 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2019-11-07 00:59:52,616 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 19 [2019-11-07 00:59:52,823 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 17 [2019-11-07 00:59:53,201 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 35 [2019-11-07 00:59:53,420 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 19 [2019-11-07 00:59:53,676 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 22 [2019-11-07 00:59:53,987 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 26 [2019-11-07 00:59:54,408 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 23 [2019-11-07 00:59:54,791 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2019-11-07 00:59:55,363 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 34 [2019-11-07 00:59:55,508 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 19 [2019-11-07 00:59:55,806 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2019-11-07 00:59:55,959 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 22 [2019-11-07 00:59:56,473 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 30 [2019-11-07 00:59:56,516 INFO L443 ceAbstractionStarter]: For program point L186(lines 163 187) no Hoare annotation was computed. [2019-11-07 00:59:56,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2019-11-07 00:59:56,517 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 174) no Hoare annotation was computed. [2019-11-07 00:59:56,517 INFO L443 ceAbstractionStarter]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2019-11-07 00:59:56,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2019-11-07 00:59:56,517 INFO L443 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2019-11-07 00:59:56,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2019-11-07 00:59:56,517 INFO L443 ceAbstractionStarter]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2019-11-07 00:59:56,517 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-11-07 00:59:56,518 INFO L443 ceAbstractionStarter]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2019-11-07 00:59:56,518 INFO L443 ceAbstractionStarter]: For program point L247(lines 220 248) no Hoare annotation was computed. [2019-11-07 00:59:56,518 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2019-11-07 00:59:56,518 INFO L443 ceAbstractionStarter]: For program point L240(line 240) no Hoare annotation was computed. [2019-11-07 00:59:56,518 INFO L443 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2019-11-07 00:59:56,518 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2019-11-07 00:59:56,518 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2019-11-07 00:59:56,518 INFO L443 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2019-11-07 00:59:56,518 INFO L443 ceAbstractionStarter]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2019-11-07 00:59:56,519 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-11-07 00:59:56,519 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-11-07 00:59:56,519 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-11-07 00:59:56,519 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-11-07 00:59:56,519 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-11-07 00:59:56,519 INFO L439 ceAbstractionStarter]: At program point L578-1(line 578) 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 00:59:56,520 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) 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 00:59:56,520 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2019-11-07 00:59:56,520 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2019-11-07 00:59:56,520 INFO L439 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:56,520 INFO L439 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:56,521 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2019-11-07 00:59:56,521 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2019-11-07 00:59:56,521 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-07 00:59:56,521 INFO L439 ceAbstractionStarter]: At program point L579(line 579) 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 00:59:56,521 INFO L439 ceAbstractionStarter]: At program point L578(line 578) 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 00:59:56,521 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-07 00:59:56,522 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-07 00:59:56,522 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 529 552) no Hoare annotation was computed. [2019-11-07 00:59:56,522 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-11-07 00:59:56,522 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-07 00:59:56,522 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-07 00:59:56,522 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 529 552) no Hoare annotation was computed. [2019-11-07 00:59:56,522 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-11-07 00:59:56,522 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 529 552) no Hoare annotation was computed. [2019-11-07 00:59:56,522 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-07 00:59:56,523 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-07 00:59:56,523 INFO L443 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2019-11-07 00:59:56,523 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-07 00:59:56,523 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-07 00:59:56,523 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-11-07 00:59:56,523 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-07 00:59:56,523 INFO L443 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2019-11-07 00:59:56,523 INFO L443 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2019-11-07 00:59:56,523 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2019-11-07 00:59:56,524 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:59:56,524 INFO L439 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-11-07 00:59:56,524 INFO L443 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2019-11-07 00:59:56,524 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2019-11-07 00:59:56,524 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse1 (= processEnvironment__wrappee__methaneQuery_~tmp~5 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0))) (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 00:59:56,524 INFO L439 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse0 .cse1)))) [2019-11-07 00:59:56,525 INFO L443 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2019-11-07 00:59:56,525 INFO L439 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:59:56,525 INFO L439 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse3 (= |old(~systemActive~0)| 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 .cse0 .cse3) (or .cse4 .cse5 .cse6) (or .cse3 .cse2 .cse6) (or .cse1 .cse6) (or .cse4 .cse0 .cse5))) [2019-11-07 00:59:56,525 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2019-11-07 00:59:56,525 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2019-11-07 00:59:56,525 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse3 (= 1 ~systemActive~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse7 (= ~pumpRunning~0 0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7) (or .cse2 .cse0 .cse5) (or .cse3 .cse1 .cse4) (or .cse7 (or .cse6 .cse5)))) [2019-11-07 00:59:56,526 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2019-11-07 00:59:56,526 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2019-11-07 00:59:56,526 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2019-11-07 00:59:56,526 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2019-11-07 00:59:56,526 INFO L443 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2019-11-07 00:59:56,526 INFO L443 ceAbstractionStarter]: For program point L855(lines 855 863) no Hoare annotation was computed. [2019-11-07 00:59:56,526 INFO L443 ceAbstractionStarter]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2019-11-07 00:59:56,526 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2019-11-07 00:59:56,526 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 851) no Hoare annotation was computed. [2019-11-07 00:59:56,527 INFO L443 ceAbstractionStarter]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2019-11-07 00:59:56,527 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2019-11-07 00:59:56,527 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2019-11-07 00:59:56,527 INFO L443 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2019-11-07 00:59:56,527 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-11-07 00:59:56,527 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-11-07 00:59:56,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2019-11-07 00:59:56,527 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2019-11-07 00:59:56,528 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2019-11-07 00:59:56,528 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2019-11-07 00:59:56,528 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2019-11-07 00:59:56,528 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 433) no Hoare annotation was computed. [2019-11-07 00:59:56,528 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2019-11-07 00:59:56,528 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 440) no Hoare annotation was computed. [2019-11-07 00:59:56,528 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2019-11-07 00:59:56,528 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) 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 00:59:56,529 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2019-11-07 00:59:56,529 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2019-11-07 00:59:56,529 INFO L439 ceAbstractionStarter]: At program point L566(line 566) 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 00:59:56,529 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2019-11-07 00:59:56,529 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2019-11-07 00:59:56,529 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2019-11-07 00:59:56,529 INFO L446 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2019-11-07 00:59:56,529 INFO L443 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2019-11-07 00:59:56,529 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:59:56,530 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2019-11-07 00:59:56,530 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2019-11-07 00:59:56,530 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2019-11-07 00:59:56,530 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2019-11-07 00:59:56,530 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2019-11-07 00:59:56,530 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2019-11-07 00:59:56,530 INFO L439 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse4)) (or .cse1 .cse4 .cse2) (or .cse3 .cse0 .cse1))) [2019-11-07 00:59:56,530 INFO L443 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2019-11-07 00:59:56,531 INFO L439 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse1))) [2019-11-07 00:59:56,531 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-11-07 00:59:56,531 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2019-11-07 00:59:56,531 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2019-11-07 00:59:56,531 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:59:56,531 INFO L439 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-11-07 00:59:56,531 INFO L443 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2019-11-07 00:59:56,532 INFO L439 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2019-11-07 00:59:56,532 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2019-11-07 00:59:56,532 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2019-11-07 00:59:56,532 INFO L439 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (and (and .cse1 .cse2) (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2))) [2019-11-07 00:59:56,532 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 907 972) 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 00:59:56,532 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2019-11-07 00:59:56,533 INFO L443 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2019-11-07 00:59:56,533 INFO L443 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2019-11-07 00:59:56,533 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2019-11-07 00:59:56,533 INFO L439 ceAbstractionStarter]: At program point L965(lines 916 966) 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 00:59:56,533 INFO L439 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:59:56,533 INFO L443 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2019-11-07 00:59:56,534 INFO L439 ceAbstractionStarter]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse4) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:59:56,534 INFO L443 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2019-11-07 00:59:56,534 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2019-11-07 00:59:56,534 INFO L439 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:59:56,534 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2019-11-07 00:59:56,534 INFO L443 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2019-11-07 00:59:56,534 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2019-11-07 00:59:56,535 INFO L439 ceAbstractionStarter]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:59:56,535 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 387) no Hoare annotation was computed. [2019-11-07 00:59:56,535 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2019-11-07 00:59:56,535 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 394) no Hoare annotation was computed. [2019-11-07 00:59:56,535 INFO L443 ceAbstractionStarter]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2019-11-07 00:59:56,535 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2019-11-07 00:59:56,535 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2019-11-07 00:59:56,536 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 00:59:56,536 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2019-11-07 00:59:56,536 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2019-11-07 00:59:56,536 INFO L439 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-11-07 00:59:56,536 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2019-11-07 00:59:56,536 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2019-11-07 00:59:56,536 INFO L439 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-11-07 00:59:56,537 INFO L443 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2019-11-07 00:59:56,537 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2019-11-07 00:59:56,537 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2019-11-07 00:59:56,537 INFO L446 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: true [2019-11-07 00:59:56,537 INFO L443 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2019-11-07 00:59:56,537 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: true [2019-11-07 00:59:56,537 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2019-11-07 00:59:56,537 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: true [2019-11-07 00:59:56,538 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2019-11-07 00:59:56,538 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2019-11-07 00:59:56,538 INFO L443 ceAbstractionStarter]: For program point L655(lines 655 663) no Hoare annotation was computed. [2019-11-07 00:59:56,538 INFO L443 ceAbstractionStarter]: For program point L655-2(lines 655 663) no Hoare annotation was computed. [2019-11-07 00:59:56,538 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 647 669) no Hoare annotation was computed. [2019-11-07 00:59:56,538 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 647 669) no Hoare annotation was computed. [2019-11-07 00:59:56,538 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 647 669) no Hoare annotation was computed. [2019-11-07 00:59:56,538 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-11-07 00:59:56,538 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-11-07 00:59:56,539 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-11-07 00:59:56,539 INFO L443 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2019-11-07 00:59:56,539 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2019-11-07 00:59:56,539 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-11-07 00:59:56,539 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 356) no Hoare annotation was computed. [2019-11-07 00:59:56,539 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-11-07 00:59:56,539 INFO L443 ceAbstractionStarter]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2019-11-07 00:59:56,539 INFO L443 ceAbstractionStarter]: For program point L327(lines 305 328) no Hoare annotation was computed. [2019-11-07 00:59:56,540 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2019-11-07 00:59:56,540 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 302) no Hoare annotation was computed. [2019-11-07 00:59:56,540 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 353) no Hoare annotation was computed. [2019-11-07 00:59:56,540 INFO L443 ceAbstractionStarter]: For program point L307(lines 306 326) no Hoare annotation was computed. [2019-11-07 00:59:56,540 INFO L443 ceAbstractionStarter]: For program point L338(line 338) no Hoare annotation was computed. [2019-11-07 00:59:56,540 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2019-11-07 00:59:56,540 INFO L443 ceAbstractionStarter]: For program point L338-1(line 338) no Hoare annotation was computed. [2019-11-07 00:59:56,540 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 344) no Hoare annotation was computed. [2019-11-07 00:59:56,540 INFO L443 ceAbstractionStarter]: For program point L322(line 322) no Hoare annotation was computed. [2019-11-07 00:59:56,541 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:59:56,541 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 00:59:56,541 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:59:56,541 INFO L443 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2019-11-07 00:59:56,541 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2019-11-07 00:59:56,541 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.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 00:59:56,541 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2019-11-07 00:59:56,541 INFO L443 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2019-11-07 00:59:56,542 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.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 00:59:56,542 INFO L439 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-11-07 00:59:56,542 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 670 678) no Hoare annotation was computed. [2019-11-07 00:59:56,542 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 670 678) no Hoare annotation was computed. [2019-11-07 00:59:56,542 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 670 678) no Hoare annotation was computed. [2019-11-07 00:59:56,542 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2019-11-07 00:59:56,542 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2019-11-07 00:59:56,543 INFO L446 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2019-11-07 00:59:56,543 INFO L443 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2019-11-07 00:59:56,543 INFO L443 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2019-11-07 00:59:56,543 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2019-11-07 00:59:56,543 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2019-11-07 00:59:56,543 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:59:56,543 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 00:59:56,543 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:59:56,543 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1 (<= 1 ~methaneLevelCritical~0)) (or (= ~systemActive~0 0) .cse0 .cse2))) [2019-11-07 00:59:56,544 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2019-11-07 00:59:56,544 INFO L443 ceAbstractionStarter]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2019-11-07 00:59:56,544 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2019-11-07 00:59:56,544 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2019-11-07 00:59:56,544 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2019-11-07 00:59:56,544 INFO L443 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2019-11-07 00:59:56,544 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not .cse1)) (.cse8 (= ~systemActive~0 0)) (.cse9 (and (= ~pumpRunning~0 0) .cse10)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse8) (or .cse4 .cse0 .cse9) (or .cse5 .cse0 .cse3 .cse6) (or .cse8 .cse7 .cse3) (or .cse4 .cse5 .cse6 .cse8) (or .cse6 .cse5 .cse8 .cse3) (or .cse9 .cse0 .cse3)))) [2019-11-07 00:59:56,545 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2019-11-07 00:59:56,545 INFO L439 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse6 (= 1 ~waterLevel~0))) (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not .cse6)) (.cse10 (= ~systemActive~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~systemActive~0))) (.cse7 (not .cse1))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5) (or .cse5 .cse6 .cse7 .cse8) (or .cse5 (and .cse3 .cse4) .cse8) (or .cse9 .cse10 .cse8) (or .cse1 .cse5 .cse8 .cse2) (or .cse0 .cse10 .cse9) (or .cse0 .cse5 (and .cse6 .cse3) .cse7)))) [2019-11-07 00:59:56,545 INFO L439 ceAbstractionStarter]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse4 (= 1 ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (not .cse7)) (.cse0 (and .cse10 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not .cse4)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (and (not (= 0 ~systemActive~0)) .cse3)) (or .cse1 .cse4 .cse5 .cse2) (or .cse6 .cse7 .cse1 .cse8) (or .cse6 .cse1 .cse4 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0) .cse9 .cse2 .cse10) (or .cse6 .cse1 .cse0) (or .cse7 .cse1 .cse2 .cse8) (or .cse6 .cse9 .cse10)))) [2019-11-07 00:59:56,545 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2019-11-07 00:59:56,546 INFO L439 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse0 .cse3) (or .cse1 .cse4) (or .cse3 .cse2 .cse4))) [2019-11-07 00:59:56,546 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2019-11-07 00:59:56,546 INFO L443 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2019-11-07 00:59:56,546 INFO L446 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2019-11-07 00:59:56,546 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2019-11-07 00:59:56,546 INFO L443 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2019-11-07 00:59:56,546 INFO L446 ceAbstractionStarter]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2019-11-07 00:59:56,546 INFO L446 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2019-11-07 00:59:56,546 INFO L443 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2019-11-07 00:59:56,546 INFO L446 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2019-11-07 00:59:56,547 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-07 00:59:56,547 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-11-07 00:59:56,547 INFO L443 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2019-11-07 00:59:56,547 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2019-11-07 00:59:56,547 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2019-11-07 00:59:56,547 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2019-11-07 00:59:56,547 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:59:56,547 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 00:59:56,548 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:59:56,548 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:59:56,548 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2019-11-07 00:59:56,548 INFO L443 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2019-11-07 00:59:56,548 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (or .cse2 .cse3)) (or .cse1 (or (= ~systemActive~0 0) .cse3)) (or .cse0 .cse2 .cse4 .cse5) (or .cse2 .cse4 .cse5 .cse3))) [2019-11-07 00:59:56,548 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-11-07 00:59:56,548 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-11-07 00:59:56,548 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-07 00:59:56,549 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-11-07 00:59:56,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:59:56 BoogieIcfgContainer [2019-11-07 00:59:56,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:59:56,565 INFO L168 Benchmark]: Toolchain (without parser) took 19265.84 ms. Allocated memory was 142.6 MB in the beginning and 619.2 MB in the end (delta: 476.6 MB). Free memory was 98.1 MB in the beginning and 167.8 MB in the end (delta: -69.7 MB). Peak memory consumption was 415.0 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:56,566 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 00:59:56,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 865.69 ms. Allocated memory was 142.6 MB in the beginning and 198.7 MB in the end (delta: 56.1 MB). Free memory was 97.9 MB in the beginning and 164.0 MB in the end (delta: -66.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:56,568 INFO L168 Benchmark]: Boogie Preprocessor took 103.30 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 159.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:56,569 INFO L168 Benchmark]: RCFGBuilder took 1143.18 ms. Allocated memory was 198.7 MB in the beginning and 227.0 MB in the end (delta: 28.3 MB). Free memory was 159.2 MB in the beginning and 188.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:56,569 INFO L168 Benchmark]: TraceAbstraction took 17138.90 ms. Allocated memory was 227.0 MB in the beginning and 619.2 MB in the end (delta: 392.2 MB). Free memory was 188.2 MB in the beginning and 167.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 420.7 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:56,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.6 MB. Free memory was 117.7 MB in the beginning and 117.5 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 865.69 ms. Allocated memory was 142.6 MB in the beginning and 198.7 MB in the end (delta: 56.1 MB). Free memory was 97.9 MB in the beginning and 164.0 MB in the end (delta: -66.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.30 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 159.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1143.18 ms. Allocated memory was 198.7 MB in the beginning and 227.0 MB in the end (delta: 28.3 MB). Free memory was 159.2 MB in the beginning and 188.2 MB in the end (delta: -29.0 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17138.90 ms. Allocated memory was 227.0 MB in the beginning and 619.2 MB in the end (delta: 392.2 MB). Free memory was 188.2 MB in the beginning and 167.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 420.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 243 locations, 1 error locations. Result: SAFE, OverallTime: 17.0s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, HoareTripleCheckerStatistics: 2169 SDtfs, 1166 SDslu, 5178 SDs, 0 SdLazy, 1821 SolverSat, 264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 964 GetRequests, 856 SyntacticMatches, 14 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2125occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 388 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5313 PreInvPairs, 5689 NumberOfFragments, 1896 HoareAnnotationTreeSize, 5313 FomulaSimplifications, 10197 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 65 FomulaSimplificationsInter, 22547 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1450 NumberOfCodeBlocks, 1450 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 348453 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2684 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 302/318 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...