java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:10:56,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:10:56,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:10:56,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:10:56,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:10:56,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:10:56,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:10:56,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:10:56,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:10:56,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:10:56,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:10:56,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:10:56,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:10:56,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:10:56,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:10:56,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:10:56,843 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:10:56,844 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:10:56,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:10:56,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:10:56,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:10:56,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:10:56,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:10:56,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:10:56,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:10:56,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:10:56,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:10:56,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:10:56,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:10:56,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:10:56,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:10:56,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:10:56,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:10:56,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:10:56,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:10:56,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:10:56,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:10:56,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:10:56,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:10:56,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:10:56,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:10:56,871 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 [2019-09-08 06:10:56,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:10:56,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:10:56,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:10:56,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:10:56,896 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:10:56,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:10:56,896 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:10:56,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:10:56,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:10:56,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:10:56,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:10:56,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:10:56,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:10:56,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:10:56,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:10:56,898 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:10:56,898 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:10:56,898 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:10:56,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:10:56,899 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:10:56,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:10:56,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:10:56,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:10:56,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:10:56,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:10:56,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:10:56,900 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:10:56,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:10:56,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:10:56,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:10:56,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:10:56,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:10:56,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:10:56,945 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:10:56,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-08 06:10:57,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81f02107e/78c9f4a1775a49e9ae7c4a4649be717a/FLAG03103fb14 [2019-09-08 06:10:57,476 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:10:57,477 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product59.cil.c [2019-09-08 06:10:57,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81f02107e/78c9f4a1775a49e9ae7c4a4649be717a/FLAG03103fb14 [2019-09-08 06:10:57,833 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/81f02107e/78c9f4a1775a49e9ae7c4a4649be717a [2019-09-08 06:10:57,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:10:57,844 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:10:57,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:57,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:10:57,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:10:57,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:57" (1/1) ... [2019-09-08 06:10:57,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18312eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:57, skipping insertion in model container [2019-09-08 06:10:57,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:57" (1/1) ... [2019-09-08 06:10:57,863 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:10:57,927 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:10:58,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:58,567 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:10:58,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:58,728 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:10:58,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58 WrapperNode [2019-09-08 06:10:58,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:58,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:10:58,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:10:58,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:10:58,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58" (1/1) ... [2019-09-08 06:10:58,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58" (1/1) ... [2019-09-08 06:10:58,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58" (1/1) ... [2019-09-08 06:10:58,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58" (1/1) ... [2019-09-08 06:10:58,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58" (1/1) ... [2019-09-08 06:10:58,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58" (1/1) ... [2019-09-08 06:10:58,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58" (1/1) ... [2019-09-08 06:10:58,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:10:58,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:10:58,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:10:58,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:10:58,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58" (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 [2019-09-08 06:10:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:10:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:10:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:10:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:10:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:10:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:10:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:10:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:10:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:10:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:10:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:10:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-08 06:10:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:10:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:10:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:10:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:10:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:10:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:10:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-08 06:10:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:10:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:10:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:10:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:10:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:10:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:10:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:10:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:10:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:10:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:10:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:10:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:10:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:10:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-08 06:10:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:10:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:58,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:10:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:10:58,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:10:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:10:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:10:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:10:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:10:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:10:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:10:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:10:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:10:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:10:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:10:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:10:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:10:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:10:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:10:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:10:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:10:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:10:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:10:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:10:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:10:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-08 06:10:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:10:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:10:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:10:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:10:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:10:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:10:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:10:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-08 06:10:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-08 06:10:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:10:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:10:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:10:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:10:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:10:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:10:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:10:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:10:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:10:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:10:58,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:10:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:10:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:10:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:10:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:10:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:10:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:10:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:10:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:10:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:10:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:11:00,112 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:11:00,113 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:11:00,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:11:00 BoogieIcfgContainer [2019-09-08 06:11:00,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:11:00,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:11:00,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:11:00,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:11:00,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:10:57" (1/3) ... [2019-09-08 06:11:00,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf51e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:11:00, skipping insertion in model container [2019-09-08 06:11:00,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:58" (2/3) ... [2019-09-08 06:11:00,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cf51e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:11:00, skipping insertion in model container [2019-09-08 06:11:00,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:11:00" (3/3) ... [2019-09-08 06:11:00,125 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2019-09-08 06:11:00,135 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:11:00,146 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:11:00,164 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:11:00,205 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:11:00,206 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:11:00,206 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:11:00,206 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:11:00,206 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:11:00,206 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:11:00,207 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:11:00,207 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:11:00,207 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:11:00,234 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-09-08 06:11:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-08 06:11:00,244 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:00,245 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:11:00,248 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:00,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:00,254 INFO L82 PathProgramCache]: Analyzing trace with hash -589768967, now seen corresponding path program 1 times [2019-09-08 06:11:00,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:00,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:00,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:00,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:00,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:11:00,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:11:00,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:11:00,686 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:11:00,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:11:00,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:11:00,703 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2019-09-08 06:11:00,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:00,751 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions. [2019-09-08 06:11:00,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:11:00,752 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-08 06:11:00,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:00,767 INFO L225 Difference]: With dead ends: 298 [2019-09-08 06:11:00,767 INFO L226 Difference]: Without dead ends: 149 [2019-09-08 06:11:00,772 INFO L628 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 [2019-09-08 06:11:00,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-09-08 06:11:00,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-09-08 06:11:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-09-08 06:11:00,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2019-09-08 06:11:00,838 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 46 [2019-09-08 06:11:00,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:00,838 INFO L475 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2019-09-08 06:11:00,839 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:11:00,839 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2019-09-08 06:11:00,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 06:11:00,843 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:00,843 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:11:00,843 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:00,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:00,844 INFO L82 PathProgramCache]: Analyzing trace with hash -211037911, now seen corresponding path program 1 times [2019-09-08 06:11:00,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:00,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:00,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:00,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:00,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:00,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:11:00,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:11:00,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:11:00,973 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:11:00,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:11:00,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:11:00,975 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2019-09-08 06:11:01,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:01,022 INFO L93 Difference]: Finished difference Result 241 states and 279 transitions. [2019-09-08 06:11:01,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:11:01,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-08 06:11:01,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:01,029 INFO L225 Difference]: With dead ends: 241 [2019-09-08 06:11:01,029 INFO L226 Difference]: Without dead ends: 140 [2019-09-08 06:11:01,032 INFO L628 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 [2019-09-08 06:11:01,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-09-08 06:11:01,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-09-08 06:11:01,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-09-08 06:11:01,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2019-09-08 06:11:01,060 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 47 [2019-09-08 06:11:01,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:01,060 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2019-09-08 06:11:01,060 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:11:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2019-09-08 06:11:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 06:11:01,063 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:01,063 INFO L399 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] [2019-09-08 06:11:01,064 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:01,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:01,064 INFO L82 PathProgramCache]: Analyzing trace with hash 607971640, now seen corresponding path program 1 times [2019-09-08 06:11:01,064 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:01,064 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:01,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:01,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:01,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:01,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:11:01,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:11:01,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:11:01,299 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:11:01,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:11:01,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:11:01,300 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2019-09-08 06:11:01,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:01,872 INFO L93 Difference]: Finished difference Result 422 states and 504 transitions. [2019-09-08 06:11:01,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:11:01,873 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-08 06:11:01,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:01,882 INFO L225 Difference]: With dead ends: 422 [2019-09-08 06:11:01,882 INFO L226 Difference]: Without dead ends: 306 [2019-09-08 06:11:01,888 INFO L628 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 [2019-09-08 06:11:01,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2019-09-08 06:11:01,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 298. [2019-09-08 06:11:01,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2019-09-08 06:11:01,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 356 transitions. [2019-09-08 06:11:01,939 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 356 transitions. Word has length 51 [2019-09-08 06:11:01,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:01,940 INFO L475 AbstractCegarLoop]: Abstraction has 298 states and 356 transitions. [2019-09-08 06:11:01,941 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:11:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 356 transitions. [2019-09-08 06:11:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 06:11:01,950 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:01,951 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:11:01,951 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:01,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:01,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1795694260, now seen corresponding path program 1 times [2019-09-08 06:11:01,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:01,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:01,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:01,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:01,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:11:02,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:11:02,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 06:11:02,164 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 06:11:02,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 06:11:02,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:11:02,165 INFO L87 Difference]: Start difference. First operand 298 states and 356 transitions. Second operand 10 states. [2019-09-08 06:11:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:02,889 INFO L93 Difference]: Finished difference Result 1072 states and 1372 transitions. [2019-09-08 06:11:02,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 06:11:02,890 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-08 06:11:02,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:02,905 INFO L225 Difference]: With dead ends: 1072 [2019-09-08 06:11:02,905 INFO L226 Difference]: Without dead ends: 798 [2019-09-08 06:11:02,909 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-08 06:11:02,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-09-08 06:11:02,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 786. [2019-09-08 06:11:02,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-09-08 06:11:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 972 transitions. [2019-09-08 06:11:02,995 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 972 transitions. Word has length 57 [2019-09-08 06:11:02,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:02,995 INFO L475 AbstractCegarLoop]: Abstraction has 786 states and 972 transitions. [2019-09-08 06:11:02,995 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 06:11:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 972 transitions. [2019-09-08 06:11:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 06:11:03,023 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:03,023 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:11:03,024 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:03,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:03,024 INFO L82 PathProgramCache]: Analyzing trace with hash 2070558330, now seen corresponding path program 1 times [2019-09-08 06:11:03,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:03,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:03,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:03,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:03,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:11:03,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:11:03,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 06:11:03,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 06:11:03,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 06:11:03,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:11:03,123 INFO L87 Difference]: Start difference. First operand 786 states and 972 transitions. Second operand 4 states. [2019-09-08 06:11:03,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:03,476 INFO L93 Difference]: Finished difference Result 1938 states and 2607 transitions. [2019-09-08 06:11:03,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 06:11:03,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-08 06:11:03,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:03,485 INFO L225 Difference]: With dead ends: 1938 [2019-09-08 06:11:03,486 INFO L226 Difference]: Without dead ends: 1176 [2019-09-08 06:11:03,489 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:11:03,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-09-08 06:11:03,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1041. [2019-09-08 06:11:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2019-09-08 06:11:03,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1298 transitions. [2019-09-08 06:11:03,571 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1298 transitions. Word has length 61 [2019-09-08 06:11:03,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:03,572 INFO L475 AbstractCegarLoop]: Abstraction has 1041 states and 1298 transitions. [2019-09-08 06:11:03,572 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 06:11:03,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1298 transitions. [2019-09-08 06:11:03,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-08 06:11:03,575 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:03,575 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-08 06:11:03,575 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:03,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:03,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1347234794, now seen corresponding path program 1 times [2019-09-08 06:11:03,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:03,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:03,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:03,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:03,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-08 06:11:03,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:11:03,686 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:11:03,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:03,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-08 06:11:03,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:11:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-08 06:11:04,026 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:11:04,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 06:11:04,027 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 06:11:04,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 06:11:04,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-08 06:11:04,028 INFO L87 Difference]: Start difference. First operand 1041 states and 1298 transitions. Second operand 12 states. [2019-09-08 06:11:07,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:07,911 INFO L93 Difference]: Finished difference Result 2442 states and 3287 transitions. [2019-09-08 06:11:07,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-08 06:11:07,912 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2019-09-08 06:11:07,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:07,930 INFO L225 Difference]: With dead ends: 2442 [2019-09-08 06:11:07,932 INFO L226 Difference]: Without dead ends: 1695 [2019-09-08 06:11:07,939 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-09-08 06:11:07,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2019-09-08 06:11:08,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1495. [2019-09-08 06:11:08,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2019-09-08 06:11:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1885 transitions. [2019-09-08 06:11:08,101 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1885 transitions. Word has length 88 [2019-09-08 06:11:08,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:08,104 INFO L475 AbstractCegarLoop]: Abstraction has 1495 states and 1885 transitions. [2019-09-08 06:11:08,104 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 06:11:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1885 transitions. [2019-09-08 06:11:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-08 06:11:08,110 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:08,110 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:11:08,110 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:08,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:08,111 INFO L82 PathProgramCache]: Analyzing trace with hash 451157407, now seen corresponding path program 1 times [2019-09-08 06:11:08,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:08,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:08,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:08,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:08,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-08 06:11:08,218 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:11:08,218 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:11:08,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:08,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 06:11:08,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:11:08,453 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-08 06:11:08,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:11:08,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-09-08 06:11:08,461 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:11:08,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:11:08,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:11:08,462 INFO L87 Difference]: Start difference. First operand 1495 states and 1885 transitions. Second operand 6 states. [2019-09-08 06:11:08,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:08,560 INFO L93 Difference]: Finished difference Result 3022 states and 4012 transitions. [2019-09-08 06:11:08,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:11:08,560 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2019-09-08 06:11:08,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:08,571 INFO L225 Difference]: With dead ends: 3022 [2019-09-08 06:11:08,571 INFO L226 Difference]: Without dead ends: 1551 [2019-09-08 06:11:08,576 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:11:08,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2019-09-08 06:11:08,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1535. [2019-09-08 06:11:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2019-09-08 06:11:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1929 transitions. [2019-09-08 06:11:08,735 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1929 transitions. Word has length 147 [2019-09-08 06:11:08,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:08,736 INFO L475 AbstractCegarLoop]: Abstraction has 1535 states and 1929 transitions. [2019-09-08 06:11:08,736 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:11:08,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1929 transitions. [2019-09-08 06:11:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-08 06:11:08,741 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:08,741 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:11:08,742 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:08,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:08,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1455245859, now seen corresponding path program 1 times [2019-09-08 06:11:08,742 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:08,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:08,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:08,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:08,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-08 06:11:08,845 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:11:08,845 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:11:08,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:11:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:08,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 06:11:09,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:11:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-08 06:11:09,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:11:09,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-08 06:11:09,064 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 06:11:09,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 06:11:09,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:11:09,065 INFO L87 Difference]: Start difference. First operand 1535 states and 1929 transitions. Second operand 11 states. [2019-09-08 06:11:09,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:09,156 INFO L93 Difference]: Finished difference Result 2783 states and 3600 transitions. [2019-09-08 06:11:09,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:11:09,157 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2019-09-08 06:11:09,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:09,165 INFO L225 Difference]: With dead ends: 2783 [2019-09-08 06:11:09,165 INFO L226 Difference]: Without dead ends: 1272 [2019-09-08 06:11:09,170 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:11:09,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2019-09-08 06:11:09,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1272. [2019-09-08 06:11:09,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1272 states. [2019-09-08 06:11:09,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1601 transitions. [2019-09-08 06:11:09,249 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1601 transitions. Word has length 147 [2019-09-08 06:11:09,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:09,250 INFO L475 AbstractCegarLoop]: Abstraction has 1272 states and 1601 transitions. [2019-09-08 06:11:09,250 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 06:11:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1601 transitions. [2019-09-08 06:11:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-09-08 06:11:09,253 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:09,253 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:11:09,254 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:09,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:09,254 INFO L82 PathProgramCache]: Analyzing trace with hash 154971906, now seen corresponding path program 1 times [2019-09-08 06:11:09,254 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:09,254 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:09,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:09,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:09,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-08 06:11:09,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:11:09,375 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:11:09,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:11:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:09,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 06:11:09,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:11:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:11:09,630 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:11:09,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-08 06:11:09,631 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 06:11:09,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 06:11:09,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:11:09,631 INFO L87 Difference]: Start difference. First operand 1272 states and 1601 transitions. Second operand 11 states. [2019-09-08 06:11:11,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:11,061 INFO L93 Difference]: Finished difference Result 2553 states and 3421 transitions. [2019-09-08 06:11:11,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 06:11:11,061 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2019-09-08 06:11:11,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:11,071 INFO L225 Difference]: With dead ends: 2553 [2019-09-08 06:11:11,072 INFO L226 Difference]: Without dead ends: 1460 [2019-09-08 06:11:11,075 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-08 06:11:11,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2019-09-08 06:11:11,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1158. [2019-09-08 06:11:11,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1158 states. [2019-09-08 06:11:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1453 transitions. [2019-09-08 06:11:11,148 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1453 transitions. Word has length 151 [2019-09-08 06:11:11,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:11,148 INFO L475 AbstractCegarLoop]: Abstraction has 1158 states and 1453 transitions. [2019-09-08 06:11:11,148 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 06:11:11,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1453 transitions. [2019-09-08 06:11:11,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-08 06:11:11,153 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:11,153 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:11:11,154 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:11,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:11,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1326265885, now seen corresponding path program 2 times [2019-09-08 06:11:11,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:11,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:11,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:11,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:11,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-08 06:11:11,385 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:11:11,385 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:11:11,405 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:11:11,621 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 06:11:11,622 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 06:11:11,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-08 06:11:11,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:11:11,737 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-08 06:11:11,827 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-08 06:11:11,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:11:11,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-08 06:11:11,845 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 06:11:11,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 06:11:11,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-08 06:11:11,851 INFO L87 Difference]: Start difference. First operand 1158 states and 1453 transitions. Second operand 16 states. [2019-09-08 06:11:14,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:14,601 INFO L93 Difference]: Finished difference Result 3249 states and 4398 transitions. [2019-09-08 06:11:14,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-08 06:11:14,602 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 204 [2019-09-08 06:11:14,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:14,619 INFO L225 Difference]: With dead ends: 3249 [2019-09-08 06:11:14,620 INFO L226 Difference]: Without dead ends: 2266 [2019-09-08 06:11:14,625 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=737, Unknown=0, NotChecked=0, Total=930 [2019-09-08 06:11:14,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2019-09-08 06:11:14,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 2060. [2019-09-08 06:11:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2060 states. [2019-09-08 06:11:14,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2571 transitions. [2019-09-08 06:11:14,761 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2571 transitions. Word has length 204 [2019-09-08 06:11:14,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:14,762 INFO L475 AbstractCegarLoop]: Abstraction has 2060 states and 2571 transitions. [2019-09-08 06:11:14,762 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 06:11:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2571 transitions. [2019-09-08 06:11:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-08 06:11:14,769 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:11:14,769 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:11:14,770 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:11:14,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:11:14,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1092218593, now seen corresponding path program 1 times [2019-09-08 06:11:14,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:11:14,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:11:14,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:14,772 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 06:11:14,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:11:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-09-08 06:11:14,904 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:11:14,904 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:11:14,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:11:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:11:15,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 06:11:15,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:11:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-08 06:11:15,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:11:15,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-08 06:11:15,135 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 06:11:15,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 06:11:15,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:11:15,136 INFO L87 Difference]: Start difference. First operand 2060 states and 2571 transitions. Second operand 13 states. [2019-09-08 06:11:15,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:11:15,228 INFO L93 Difference]: Finished difference Result 2705 states and 3337 transitions. [2019-09-08 06:11:15,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 06:11:15,228 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2019-09-08 06:11:15,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:11:15,230 INFO L225 Difference]: With dead ends: 2705 [2019-09-08 06:11:15,230 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 06:11:15,239 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-08 06:11:15,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 06:11:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 06:11:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 06:11:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 06:11:15,241 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2019-09-08 06:11:15,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:11:15,241 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 06:11:15,241 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 06:11:15,241 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 06:11:15,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 06:11:15,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 06:11:16,591 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 22 [2019-09-08 06:11:16,885 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 25 [2019-09-08 06:11:17,196 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 29 [2019-09-08 06:11:17,825 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2019-09-08 06:11:18,596 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2019-09-08 06:11:18,977 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2019-09-08 06:11:19,097 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 23 [2019-09-08 06:11:19,241 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 13 [2019-09-08 06:11:19,541 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-09-08 06:11:19,545 INFO L443 ceAbstractionStarter]: For program point L703(line 703) no Hoare annotation was computed. [2019-09-08 06:11:19,545 INFO L443 ceAbstractionStarter]: For program point L702-2(lines 702 723) no Hoare annotation was computed. [2019-09-08 06:11:19,545 INFO L443 ceAbstractionStarter]: For program point L724(lines 701 725) no Hoare annotation was computed. [2019-09-08 06:11:19,545 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 677 732) no Hoare annotation was computed. [2019-09-08 06:11:19,545 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 677 732) no Hoare annotation was computed. [2019-09-08 06:11:19,546 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2019-09-08 06:11:19,546 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 708 712) no Hoare annotation was computed. [2019-09-08 06:11:19,546 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 677 732) no Hoare annotation was computed. [2019-09-08 06:11:19,546 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 769) no Hoare annotation was computed. [2019-09-08 06:11:19,546 INFO L443 ceAbstractionStarter]: For program point L765-1(lines 765 769) no Hoare annotation was computed. [2019-09-08 06:11:19,546 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-09-08 06:11:19,547 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 733 792) no Hoare annotation was computed. [2019-09-08 06:11:19,547 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 784) no Hoare annotation was computed. [2019-09-08 06:11:19,547 INFO L443 ceAbstractionStarter]: For program point L785(lines 758 786) no Hoare annotation was computed. [2019-09-08 06:11:19,547 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 733 792) no Hoare annotation was computed. [2019-09-08 06:11:19,547 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-09-08 06:11:19,547 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 733 792) no Hoare annotation was computed. [2019-09-08 06:11:19,548 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-09-08 06:11:19,548 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-09-08 06:11:19,548 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-09-08 06:11:19,548 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-09-08 06:11:19,548 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-09-08 06:11:19,549 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-09-08 06:11:19,549 INFO L439 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-09-08 06:11:19,549 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 81 105) the Hoare annotation is: true [2019-09-08 06:11:19,549 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 99) no Hoare annotation was computed. [2019-09-08 06:11:19,549 INFO L439 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (= ~systemActive~0 0) .cse1))) [2019-09-08 06:11:19,550 INFO L443 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2019-09-08 06:11:19,550 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 102) no Hoare annotation was computed. [2019-09-08 06:11:19,551 INFO L443 ceAbstractionStarter]: For program point L89-1(lines 81 105) no Hoare annotation was computed. [2019-09-08 06:11:19,551 INFO L446 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: true [2019-09-08 06:11:19,551 INFO L443 ceAbstractionStarter]: For program point L87-1(line 87) no Hoare annotation was computed. [2019-09-08 06:11:19,551 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 81 105) no Hoare annotation was computed. [2019-09-08 06:11:19,553 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 489 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:11:19,553 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 489 511) no Hoare annotation was computed. [2019-09-08 06:11:19,553 INFO L439 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:11:19,554 INFO L439 ceAbstractionStarter]: At program point L501-1(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~7 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:11:19,554 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-09-08 06:11:19,554 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 499 506) no Hoare annotation was computed. [2019-09-08 06:11:19,554 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-09-08 06:11:19,554 INFO L439 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:11:19,555 INFO L439 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:11:19,555 INFO L439 ceAbstractionStarter]: At program point L495-1(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:11:19,555 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 489 511) no Hoare annotation was computed. [2019-09-08 06:11:19,555 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 448 471) no Hoare annotation was computed. [2019-09-08 06:11:19,555 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 448 471) no Hoare annotation was computed. [2019-09-08 06:11:19,556 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 448 471) no Hoare annotation was computed. [2019-09-08 06:11:19,556 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-09-08 06:11:19,556 INFO L443 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2019-09-08 06:11:19,556 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-09-08 06:11:19,556 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-09-08 06:11:19,556 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-09-08 06:11:19,557 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-09-08 06:11:19,557 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-09-08 06:11:19,557 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-09-08 06:11:19,557 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-09-08 06:11:19,557 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-09-08 06:11:19,558 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-09-08 06:11:19,558 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-08 06:11:19,558 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-09-08 06:11:19,558 INFO L443 ceAbstractionStarter]: For program point L453(line 453) no Hoare annotation was computed. [2019-09-08 06:11:19,558 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 401 415) no Hoare annotation was computed. [2019-09-08 06:11:19,558 INFO L439 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0))))) [2019-09-08 06:11:19,559 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 401 415) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (= |old(~systemActive~0)| 0) .cse1)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse2))) [2019-09-08 06:11:19,559 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-09-08 06:11:19,559 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 401 415) no Hoare annotation was computed. [2019-09-08 06:11:19,559 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 318 326) no Hoare annotation was computed. [2019-09-08 06:11:19,560 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 318 326) the Hoare annotation is: true [2019-09-08 06:11:19,560 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 318 326) no Hoare annotation was computed. [2019-09-08 06:11:19,560 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 382 400) the Hoare annotation is: true [2019-09-08 06:11:19,560 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-09-08 06:11:19,560 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 382 400) no Hoare annotation was computed. [2019-09-08 06:11:19,560 INFO L446 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: true [2019-09-08 06:11:19,561 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2019-09-08 06:11:19,561 INFO L443 ceAbstractionStarter]: For program point L389-1(line 389) no Hoare annotation was computed. [2019-09-08 06:11:19,561 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 382 400) no Hoare annotation was computed. [2019-09-08 06:11:19,561 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 354) no Hoare annotation was computed. [2019-09-08 06:11:19,561 INFO L443 ceAbstractionStarter]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2019-09-08 06:11:19,562 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 327 362) no Hoare annotation was computed. [2019-09-08 06:11:19,562 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 342) no Hoare annotation was computed. [2019-09-08 06:11:19,562 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 342) no Hoare annotation was computed. [2019-09-08 06:11:19,562 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 327 362) no Hoare annotation was computed. [2019-09-08 06:11:19,562 INFO L443 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2019-09-08 06:11:19,562 INFO L443 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2019-09-08 06:11:19,563 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 327 362) no Hoare annotation was computed. [2019-09-08 06:11:19,563 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-09-08 06:11:19,563 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-09-08 06:11:19,563 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 631 676) no Hoare annotation was computed. [2019-09-08 06:11:19,563 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 631 676) no Hoare annotation was computed. [2019-09-08 06:11:19,564 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 631 676) no Hoare annotation was computed. [2019-09-08 06:11:19,565 INFO L443 ceAbstractionStarter]: For program point L958(lines 958 978) no Hoare annotation was computed. [2019-09-08 06:11:19,565 INFO L443 ceAbstractionStarter]: For program point L958-1(lines 958 978) no Hoare annotation was computed. [2019-09-08 06:11:19,565 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 944 989) no Hoare annotation was computed. [2019-09-08 06:11:19,565 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 944 989) no Hoare annotation was computed. [2019-09-08 06:11:19,565 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 944 989) no Hoare annotation was computed. [2019-09-08 06:11:19,565 INFO L443 ceAbstractionStarter]: For program point L964(lines 964 971) no Hoare annotation was computed. [2019-09-08 06:11:19,566 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 479 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:11:19,566 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 479 488) no Hoare annotation was computed. [2019-09-08 06:11:19,566 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 479 488) no Hoare annotation was computed. [2019-09-08 06:11:19,566 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 307 317) the Hoare annotation is: true [2019-09-08 06:11:19,566 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 307 317) no Hoare annotation was computed. [2019-09-08 06:11:19,566 INFO L446 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: true [2019-09-08 06:11:19,566 INFO L443 ceAbstractionStarter]: For program point L312-1(line 312) no Hoare annotation was computed. [2019-09-08 06:11:19,567 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 307 317) no Hoare annotation was computed. [2019-09-08 06:11:19,567 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 299 306) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-08 06:11:19,567 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 299 306) no Hoare annotation was computed. [2019-09-08 06:11:19,567 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 299 306) no Hoare annotation was computed. [2019-09-08 06:11:19,567 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 592 605) no Hoare annotation was computed. [2019-09-08 06:11:19,567 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-09-08 06:11:19,568 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 592 605) the Hoare annotation is: true [2019-09-08 06:11:19,568 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 592 605) no Hoare annotation was computed. [2019-09-08 06:11:19,568 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-09-08 06:11:19,568 INFO L439 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-08 06:11:19,568 INFO L443 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2019-09-08 06:11:19,568 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 269) no Hoare annotation was computed. [2019-09-08 06:11:19,568 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 248 272) no Hoare annotation was computed. [2019-09-08 06:11:19,569 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 248 272) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-08 06:11:19,569 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-09-08 06:11:19,569 INFO L443 ceAbstractionStarter]: For program point L267-1(lines 248 272) no Hoare annotation was computed. [2019-09-08 06:11:19,569 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-08 06:11:19,569 INFO L439 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~3)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-08 06:11:19,569 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 214 220) no Hoare annotation was computed. [2019-09-08 06:11:19,570 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 214 220) the Hoare annotation is: true [2019-09-08 06:11:19,570 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 112 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:11:19,570 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 128) no Hoare annotation was computed. [2019-09-08 06:11:19,570 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 112 177) no Hoare annotation was computed. [2019-09-08 06:11:19,570 INFO L439 ceAbstractionStarter]: At program point L170(lines 121 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-08 06:11:19,571 INFO L439 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) (and .cse0 (not (= 0 ~systemActive~0)))) (not (= |old(~waterLevel~0)| 1)))) [2019-09-08 06:11:19,571 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-09-08 06:11:19,571 INFO L439 ceAbstractionStarter]: At program point L158-1(lines 152 165) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-08 06:11:19,571 INFO L443 ceAbstractionStarter]: For program point L123(lines 122 169) no Hoare annotation was computed. [2019-09-08 06:11:19,572 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 165) no Hoare annotation was computed. [2019-09-08 06:11:19,572 INFO L439 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-08 06:11:19,572 INFO L443 ceAbstractionStarter]: For program point L142(lines 142 148) no Hoare annotation was computed. [2019-09-08 06:11:19,572 INFO L443 ceAbstractionStarter]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2019-09-08 06:11:19,573 INFO L439 ceAbstractionStarter]: At program point L167(lines 122 169) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-08 06:11:19,573 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-08 06:11:19,573 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-09-08 06:11:19,573 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2019-09-08 06:11:19,574 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 112 177) no Hoare annotation was computed. [2019-09-08 06:11:19,574 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 898 943) no Hoare annotation was computed. [2019-09-08 06:11:19,574 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 925) no Hoare annotation was computed. [2019-09-08 06:11:19,574 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 898 943) no Hoare annotation was computed. [2019-09-08 06:11:19,574 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 898 943) no Hoare annotation was computed. [2019-09-08 06:11:19,574 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2019-09-08 06:11:19,575 INFO L443 ceAbstractionStarter]: For program point L912-1(lines 912 932) no Hoare annotation was computed. [2019-09-08 06:11:19,575 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 273 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-08 06:11:19,575 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 273 280) no Hoare annotation was computed. [2019-09-08 06:11:19,575 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 273 280) no Hoare annotation was computed. [2019-09-08 06:11:19,575 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 606 614) no Hoare annotation was computed. [2019-09-08 06:11:19,576 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 606 614) the Hoare annotation is: true [2019-09-08 06:11:19,576 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 606 614) no Hoare annotation was computed. [2019-09-08 06:11:19,576 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 560 582) no Hoare annotation was computed. [2019-09-08 06:11:19,576 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 576) no Hoare annotation was computed. [2019-09-08 06:11:19,576 INFO L443 ceAbstractionStarter]: For program point L568-2(lines 568 576) no Hoare annotation was computed. [2019-09-08 06:11:19,577 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 560 582) no Hoare annotation was computed. [2019-09-08 06:11:19,577 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 560 582) no Hoare annotation was computed. [2019-09-08 06:11:19,577 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-09-08 06:11:19,577 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-09-08 06:11:19,577 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-09-08 06:11:19,578 INFO L443 ceAbstractionStarter]: For program point L865(lines 843 866) no Hoare annotation was computed. [2019-09-08 06:11:19,578 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 795 897) no Hoare annotation was computed. [2019-09-08 06:11:19,578 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 840) no Hoare annotation was computed. [2019-09-08 06:11:19,578 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 891) no Hoare annotation was computed. [2019-09-08 06:11:19,578 INFO L443 ceAbstractionStarter]: For program point L845(lines 844 864) no Hoare annotation was computed. [2019-09-08 06:11:19,578 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-09-08 06:11:19,579 INFO L443 ceAbstractionStarter]: For program point L876-1(line 876) no Hoare annotation was computed. [2019-09-08 06:11:19,580 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 882) no Hoare annotation was computed. [2019-09-08 06:11:19,580 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 795 897) no Hoare annotation was computed. [2019-09-08 06:11:19,580 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-09-08 06:11:19,580 INFO L443 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-09-08 06:11:19,580 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2019-09-08 06:11:19,581 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 894) no Hoare annotation was computed. [2019-09-08 06:11:19,581 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 795 897) no Hoare annotation was computed. [2019-09-08 06:11:19,581 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 850) no Hoare annotation was computed. [2019-09-08 06:11:19,581 INFO L443 ceAbstractionStarter]: For program point L844-2(lines 844 864) no Hoare annotation was computed. [2019-09-08 06:11:19,581 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:11:19,582 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)) [2019-09-08 06:11:19,582 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:11:19,582 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-09-08 06:11:19,582 INFO L439 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-08 06:11:19,582 INFO L443 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2019-09-08 06:11:19,583 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 282 298) no Hoare annotation was computed. [2019-09-08 06:11:19,583 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 282 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-08 06:11:19,583 INFO L439 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-08 06:11:19,583 INFO L443 ceAbstractionStarter]: For program point L293-1(lines 282 298) no Hoare annotation was computed. [2019-09-08 06:11:19,583 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 583 591) the Hoare annotation is: true [2019-09-08 06:11:19,584 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 583 591) no Hoare annotation was computed. [2019-09-08 06:11:19,585 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 583 591) no Hoare annotation was computed. [2019-09-08 06:11:19,585 INFO L443 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2019-09-08 06:11:19,585 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 363 381) no Hoare annotation was computed. [2019-09-08 06:11:19,585 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 363 381) the Hoare annotation is: true [2019-09-08 06:11:19,586 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 363 381) no Hoare annotation was computed. [2019-09-08 06:11:19,586 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-09-08 06:11:19,586 INFO L446 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: true [2019-09-08 06:11:19,586 INFO L443 ceAbstractionStarter]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2019-09-08 06:11:19,586 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 539 550) no Hoare annotation was computed. [2019-09-08 06:11:19,587 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 539 550) the Hoare annotation is: true [2019-09-08 06:11:19,587 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 539 550) no Hoare annotation was computed. [2019-09-08 06:11:19,587 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:11:19,587 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-08 06:11:19,587 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:11:19,588 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-08 06:11:19,588 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0)))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (let ((.cse1 (+ ~waterLevel~0 1))) (and (<= .cse1 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse1))) (= ~systemActive~0 0) (and .cse2 .cse0) (not (<= 2 |old(~waterLevel~0)|)))))) [2019-09-08 06:11:19,588 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2019-09-08 06:11:19,589 INFO L439 ceAbstractionStarter]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse7 .cse9 (not (= 0 ~systemActive~0)))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse9 .cse6))) (and (or (or .cse0 .cse1) .cse2 .cse3) (let ((.cse8 (+ ~waterLevel~0 1))) (let ((.cse4 (<= .cse8 |old(~waterLevel~0)|)) (.cse5 (<= |old(~waterLevel~0)| .cse8))) (or (= ~systemActive~0 0) .cse2 .cse1 (and .cse4 .cse5 .cse6) (and .cse4 .cse7 .cse5)))) (or .cse0 .cse3 (not (= |old(~waterLevel~0)| 1)))))) [2019-09-08 06:11:19,589 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2019-09-08 06:11:19,589 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or (= ~systemActive~0 0) .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1))) [2019-09-08 06:11:19,589 INFO L443 ceAbstractionStarter]: For program point L194(lines 193 212) no Hoare annotation was computed. [2019-09-08 06:11:19,591 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2019-09-08 06:11:19,591 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2019-09-08 06:11:19,591 INFO L446 ceAbstractionStarter]: At program point L443(lines 418 447) the Hoare annotation is: true [2019-09-08 06:11:19,591 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-09-08 06:11:19,592 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-09-08 06:11:19,592 INFO L446 ceAbstractionStarter]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2019-09-08 06:11:19,592 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-09-08 06:11:19,592 INFO L446 ceAbstractionStarter]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2019-09-08 06:11:19,592 INFO L446 ceAbstractionStarter]: At program point L424(line 424) the Hoare annotation is: true [2019-09-08 06:11:19,592 INFO L443 ceAbstractionStarter]: For program point L424-1(line 424) no Hoare annotation was computed. [2019-09-08 06:11:19,593 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 551 559) the Hoare annotation is: true [2019-09-08 06:11:19,593 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 551 559) no Hoare annotation was computed. [2019-09-08 06:11:19,593 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 551 559) no Hoare annotation was computed. [2019-09-08 06:11:19,593 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 515 526) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-08 06:11:19,593 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 515 526) no Hoare annotation was computed. [2019-09-08 06:11:19,594 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 515 526) no Hoare annotation was computed. [2019-09-08 06:11:19,594 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 472 478) no Hoare annotation was computed. [2019-09-08 06:11:19,594 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 472 478) the Hoare annotation is: true [2019-09-08 06:11:19,594 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 06:11:19,594 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-08 06:11:19,595 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 06:11:19,595 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 06:11:19,595 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 222 246) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-08 06:11:19,595 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 222 246) no Hoare annotation was computed. [2019-09-08 06:11:19,596 INFO L439 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-08 06:11:19,596 INFO L443 ceAbstractionStarter]: For program point L241-1(lines 222 246) no Hoare annotation was computed. [2019-09-08 06:11:19,596 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0))) [2019-09-08 06:11:19,596 INFO L439 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-08 06:11:19,596 INFO L443 ceAbstractionStarter]: For program point L230(lines 230 238) no Hoare annotation was computed. [2019-09-08 06:11:19,597 INFO L439 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))))) [2019-09-08 06:11:19,597 INFO L443 ceAbstractionStarter]: For program point L228-1(line 228) no Hoare annotation was computed. [2019-09-08 06:11:19,597 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 243) no Hoare annotation was computed. [2019-09-08 06:11:19,597 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 527 538) no Hoare annotation was computed. [2019-09-08 06:11:19,598 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 527 538) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-08 06:11:19,598 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 527 538) no Hoare annotation was computed. [2019-09-08 06:11:19,598 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 616 623) no Hoare annotation was computed. [2019-09-08 06:11:19,598 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-09-08 06:11:19,598 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 616 623) the Hoare annotation is: true [2019-09-08 06:11:19,599 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 616 623) no Hoare annotation was computed. [2019-09-08 06:11:19,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:11:19 BoogieIcfgContainer [2019-09-08 06:11:19,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:11:19,633 INFO L168 Benchmark]: Toolchain (without parser) took 21786.80 ms. Allocated memory was 137.4 MB in the beginning and 490.2 MB in the end (delta: 352.8 MB). Free memory was 92.2 MB in the beginning and 385.3 MB in the end (delta: -293.1 MB). Peak memory consumption was 359.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:19,635 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:11:19,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.93 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 91.8 MB in the beginning and 167.2 MB in the end (delta: -75.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:19,645 INFO L168 Benchmark]: Boogie Preprocessor took 136.40 ms. Allocated memory is still 202.4 MB. Free memory was 167.2 MB in the beginning and 161.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:19,646 INFO L168 Benchmark]: RCFGBuilder took 1249.10 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 160.8 MB in the beginning and 193.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:19,647 INFO L168 Benchmark]: TraceAbstraction took 19512.65 ms. Allocated memory was 235.9 MB in the beginning and 490.2 MB in the end (delta: 254.3 MB). Free memory was 193.1 MB in the beginning and 385.3 MB in the end (delta: -192.2 MB). Peak memory consumption was 361.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:11:19,661 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 111.9 MB in the beginning and 111.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 883.93 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 91.8 MB in the beginning and 167.2 MB in the end (delta: -75.5 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.40 ms. Allocated memory is still 202.4 MB. Free memory was 167.2 MB in the beginning and 161.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1249.10 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 160.8 MB in the beginning and 193.1 MB in the end (delta: -32.3 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19512.65 ms. Allocated memory was 235.9 MB in the beginning and 490.2 MB in the end (delta: 254.3 MB). Free memory was 193.1 MB in the beginning and 385.3 MB in the end (delta: -192.2 MB). Peak memory consumption was 361.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: 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: 121]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. SAFE Result, 19.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2057 SDtfs, 2630 SDslu, 6633 SDs, 0 SdLazy, 6752 SolverSat, 1562 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1143 GetRequests, 986 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2060occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 879 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4111 PreInvPairs, 4230 NumberOfFragments, 1056 HoareAnnotationTreeSize, 4111 FomulaSimplifications, 18127 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 67 FomulaSimplificationsInter, 11527 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2144 NumberOfCodeBlocks, 2144 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2127 ConstructedInterpolants, 0 QuantifiedInterpolants, 472607 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5402 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 586/650 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...