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_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:30,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:30,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:30,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:30,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:30,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:30,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:30,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:30,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:30,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:30,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:30,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:30,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:30,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:30,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:30,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:30,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:30,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:30,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:30,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:30,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:30,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:30,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:30,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:30,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:30,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:30,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:30,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:30,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:30,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:30,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:30,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:30,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:30,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:30,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:30,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:30,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:30,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:30,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:30,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:30,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:30,080 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 [2019-09-20 13:06:30,104 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:30,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:30,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:30,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:30,108 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:30,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:30,109 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:30,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:30,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:30,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:30,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:30,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:30,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:30,111 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:30,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:30,112 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:30,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:30,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:30,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:30,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:30,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:30,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:30,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:30,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:30,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:30,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:30,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:30,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:30,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:30,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:30,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:30,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:30,192 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:30,192 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:30,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-09-20 13:06:30,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea6ecca8/a484f14a71c6415a9e369d2d0a6397ea/FLAG79abccd7c [2019-09-20 13:06:30,795 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:30,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product51.cil.c [2019-09-20 13:06:30,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea6ecca8/a484f14a71c6415a9e369d2d0a6397ea/FLAG79abccd7c [2019-09-20 13:06:31,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cea6ecca8/a484f14a71c6415a9e369d2d0a6397ea [2019-09-20 13:06:31,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:31,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:31,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:31,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:31,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:31,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31, skipping insertion in model container [2019-09-20 13:06:31,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,161 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:31,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:31,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:31,765 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:31,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:31,899 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:31,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31 WrapperNode [2019-09-20 13:06:31,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:31,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:31,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:31,902 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:31,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (1/1) ... [2019-09-20 13:06:31,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:31,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:31,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:31,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:31,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (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 [2019-09-20 13:06:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:32,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:32,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:32,075 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:32,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:06:32,077 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:32,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:32,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:32,079 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:32,080 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:32,081 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:32,082 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:32,083 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:06:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:32,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:32,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:32,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:32,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:33,211 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:33,211 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:33,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:33 BoogieIcfgContainer [2019-09-20 13:06:33,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:33,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:33,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:33,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:33,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:31" (1/3) ... [2019-09-20 13:06:33,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b03be37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:33, skipping insertion in model container [2019-09-20 13:06:33,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:31" (2/3) ... [2019-09-20 13:06:33,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b03be37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:33, skipping insertion in model container [2019-09-20 13:06:33,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:33" (3/3) ... [2019-09-20 13:06:33,223 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product51.cil.c [2019-09-20 13:06:33,233 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:33,244 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:33,261 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:33,299 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:33,300 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:33,300 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:33,300 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:33,300 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:33,301 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:33,301 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:33,301 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:33,301 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:33,322 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-09-20 13:06:33,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:33,331 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:33,332 INFO L407 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] [2019-09-20 13:06:33,335 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:33,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:33,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1091923628, now seen corresponding path program 1 times [2019-09-20 13:06:33,343 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:33,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:33,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:33,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:33,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:33,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:33,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:33,727 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:33,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:33,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:33,746 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-09-20 13:06:33,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:33,795 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2019-09-20 13:06:33,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:33,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:33,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:33,812 INFO L225 Difference]: With dead ends: 268 [2019-09-20 13:06:33,812 INFO L226 Difference]: Without dead ends: 134 [2019-09-20 13:06:33,817 INFO L636 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 [2019-09-20 13:06:33,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-20 13:06:33,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-20 13:06:33,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-20 13:06:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2019-09-20 13:06:33,944 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2019-09-20 13:06:33,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:33,945 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2019-09-20 13:06:33,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2019-09-20 13:06:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:33,954 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:33,954 INFO L407 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] [2019-09-20 13:06:33,955 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:33,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:33,956 INFO L82 PathProgramCache]: Analyzing trace with hash 644500822, now seen corresponding path program 1 times [2019-09-20 13:06:33,956 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:33,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:33,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:33,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:33,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:34,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:34,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:34,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:34,171 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:34,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:34,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:34,174 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2019-09-20 13:06:34,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:34,229 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2019-09-20 13:06:34,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:34,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:34,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:34,236 INFO L225 Difference]: With dead ends: 211 [2019-09-20 13:06:34,237 INFO L226 Difference]: Without dead ends: 125 [2019-09-20 13:06:34,239 INFO L636 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 [2019-09-20 13:06:34,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-20 13:06:34,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-20 13:06:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-20 13:06:34,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2019-09-20 13:06:34,268 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2019-09-20 13:06:34,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:34,269 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2019-09-20 13:06:34,270 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2019-09-20 13:06:34,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:06:34,277 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:34,277 INFO L407 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] [2019-09-20 13:06:34,277 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:34,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:34,278 INFO L82 PathProgramCache]: Analyzing trace with hash -350015351, now seen corresponding path program 1 times [2019-09-20 13:06:34,279 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:34,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:34,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:34,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:34,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:34,471 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:34,471 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:34,472 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:34,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:34,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:34,473 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 7 states. [2019-09-20 13:06:34,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:34,922 INFO L93 Difference]: Finished difference Result 377 states and 456 transitions. [2019-09-20 13:06:34,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:34,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:06:34,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:34,928 INFO L225 Difference]: With dead ends: 377 [2019-09-20 13:06:34,928 INFO L226 Difference]: Without dead ends: 276 [2019-09-20 13:06:34,930 INFO L636 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 [2019-09-20 13:06:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2019-09-20 13:06:34,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 268. [2019-09-20 13:06:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2019-09-20 13:06:34,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 324 transitions. [2019-09-20 13:06:34,976 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 324 transitions. Word has length 51 [2019-09-20 13:06:34,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:34,977 INFO L475 AbstractCegarLoop]: Abstraction has 268 states and 324 transitions. [2019-09-20 13:06:34,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:34,977 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 324 transitions. [2019-09-20 13:06:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:06:34,979 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:34,980 INFO L407 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] [2019-09-20 13:06:34,980 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:34,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:34,981 INFO L82 PathProgramCache]: Analyzing trace with hash -103520613, now seen corresponding path program 1 times [2019-09-20 13:06:34,981 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:34,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:34,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:34,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:34,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:35,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:35,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:35,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:35,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:35,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:35,149 INFO L87 Difference]: Start difference. First operand 268 states and 324 transitions. Second operand 10 states. [2019-09-20 13:06:35,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:35,859 INFO L93 Difference]: Finished difference Result 952 states and 1244 transitions. [2019-09-20 13:06:35,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:35,860 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:06:35,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:35,872 INFO L225 Difference]: With dead ends: 952 [2019-09-20 13:06:35,873 INFO L226 Difference]: Without dead ends: 708 [2019-09-20 13:06:35,878 INFO L636 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 [2019-09-20 13:06:35,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2019-09-20 13:06:35,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 696. [2019-09-20 13:06:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2019-09-20 13:06:35,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 876 transitions. [2019-09-20 13:06:35,983 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 876 transitions. Word has length 57 [2019-09-20 13:06:35,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:35,987 INFO L475 AbstractCegarLoop]: Abstraction has 696 states and 876 transitions. [2019-09-20 13:06:35,987 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 876 transitions. [2019-09-20 13:06:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:06:35,993 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:35,998 INFO L407 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] [2019-09-20 13:06:35,998 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:35,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:35,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1065334495, now seen corresponding path program 1 times [2019-09-20 13:06:36,001 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:36,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:36,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:36,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:36,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:36,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:36,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:06:36,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:06:36,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:06:36,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:06:36,097 INFO L87 Difference]: Start difference. First operand 696 states and 876 transitions. Second operand 4 states. [2019-09-20 13:06:36,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:36,483 INFO L93 Difference]: Finished difference Result 1746 states and 2403 transitions. [2019-09-20 13:06:36,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:06:36,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:06:36,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:36,492 INFO L225 Difference]: With dead ends: 1746 [2019-09-20 13:06:36,493 INFO L226 Difference]: Without dead ends: 1074 [2019-09-20 13:06:36,496 INFO L636 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 [2019-09-20 13:06:36,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2019-09-20 13:06:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 939. [2019-09-20 13:06:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2019-09-20 13:06:36,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1190 transitions. [2019-09-20 13:06:36,567 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1190 transitions. Word has length 61 [2019-09-20 13:06:36,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:36,568 INFO L475 AbstractCegarLoop]: Abstraction has 939 states and 1190 transitions. [2019-09-20 13:06:36,568 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:06:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1190 transitions. [2019-09-20 13:06:36,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:06:36,570 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:36,571 INFO L407 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] [2019-09-20 13:06:36,571 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:36,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:36,571 INFO L82 PathProgramCache]: Analyzing trace with hash 380759586, now seen corresponding path program 1 times [2019-09-20 13:06:36,571 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:36,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:36,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:36,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-20 13:06:36,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:36,669 INFO L224 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 [2019-09-20 13:06:36,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:36,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:06:36,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:36,996 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:06:37,002 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:37,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-20 13:06:37,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:06:37,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:06:37,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:06:37,004 INFO L87 Difference]: Start difference. First operand 939 states and 1190 transitions. Second operand 12 states. [2019-09-20 13:06:40,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:40,149 INFO L93 Difference]: Finished difference Result 2238 states and 3071 transitions. [2019-09-20 13:06:40,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-20 13:06:40,149 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2019-09-20 13:06:40,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:40,161 INFO L225 Difference]: With dead ends: 2238 [2019-09-20 13:06:40,161 INFO L226 Difference]: Without dead ends: 1559 [2019-09-20 13:06:40,166 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-09-20 13:06:40,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2019-09-20 13:06:40,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1359. [2019-09-20 13:06:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1359 states. [2019-09-20 13:06:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1741 transitions. [2019-09-20 13:06:40,285 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1741 transitions. Word has length 88 [2019-09-20 13:06:40,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:40,286 INFO L475 AbstractCegarLoop]: Abstraction has 1359 states and 1741 transitions. [2019-09-20 13:06:40,286 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:06:40,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1741 transitions. [2019-09-20 13:06:40,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-20 13:06:40,290 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:40,290 INFO L407 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] [2019-09-20 13:06:40,291 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:40,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:40,291 INFO L82 PathProgramCache]: Analyzing trace with hash -257122548, now seen corresponding path program 1 times [2019-09-20 13:06:40,291 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:40,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:40,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-20 13:06:40,388 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:40,388 INFO L224 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 [2019-09-20 13:06:40,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:40,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-20 13:06:40,598 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:40,598 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-09-20 13:06:40,599 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:06:40,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:06:40,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:06:40,600 INFO L87 Difference]: Start difference. First operand 1359 states and 1741 transitions. Second operand 6 states. [2019-09-20 13:06:40,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:40,703 INFO L93 Difference]: Finished difference Result 2734 states and 3603 transitions. [2019-09-20 13:06:40,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:06:40,703 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2019-09-20 13:06:40,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:40,713 INFO L225 Difference]: With dead ends: 2734 [2019-09-20 13:06:40,713 INFO L226 Difference]: Without dead ends: 1399 [2019-09-20 13:06:40,720 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:40,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2019-09-20 13:06:40,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1399. [2019-09-20 13:06:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1399 states. [2019-09-20 13:06:40,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1785 transitions. [2019-09-20 13:06:40,809 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1785 transitions. Word has length 132 [2019-09-20 13:06:40,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:40,810 INFO L475 AbstractCegarLoop]: Abstraction has 1399 states and 1785 transitions. [2019-09-20 13:06:40,810 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:06:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1785 transitions. [2019-09-20 13:06:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-09-20 13:06:40,814 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:40,814 INFO L407 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] [2019-09-20 13:06:40,815 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:40,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:40,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1067733646, now seen corresponding path program 1 times [2019-09-20 13:06:40,815 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:40,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:40,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-20 13:06:40,911 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:40,911 INFO L224 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) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:40,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:06:41,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:41,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:41,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:06:41,229 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:41,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:41,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:41,231 INFO L87 Difference]: Start difference. First operand 1399 states and 1785 transitions. Second operand 11 states. [2019-09-20 13:06:41,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:41,340 INFO L93 Difference]: Finished difference Result 2613 states and 3420 transitions. [2019-09-20 13:06:41,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:41,340 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 132 [2019-09-20 13:06:41,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:41,349 INFO L225 Difference]: With dead ends: 2613 [2019-09-20 13:06:41,349 INFO L226 Difference]: Without dead ends: 1238 [2019-09-20 13:06:41,358 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:41,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2019-09-20 13:06:41,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1238. [2019-09-20 13:06:41,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1238 states. [2019-09-20 13:06:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1565 transitions. [2019-09-20 13:06:41,444 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1565 transitions. Word has length 132 [2019-09-20 13:06:41,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:41,445 INFO L475 AbstractCegarLoop]: Abstraction has 1238 states and 1565 transitions. [2019-09-20 13:06:41,445 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:41,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1565 transitions. [2019-09-20 13:06:41,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-20 13:06:41,453 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:41,453 INFO L407 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] [2019-09-20 13:06:41,453 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:41,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:41,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1244866615, now seen corresponding path program 1 times [2019-09-20 13:06:41,454 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:41,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:41,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-20 13:06:41,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:41,629 INFO L224 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) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:41,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:41,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:41,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:41,928 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:41,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-20 13:06:41,930 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:41,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:41,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:41,931 INFO L87 Difference]: Start difference. First operand 1238 states and 1565 transitions. Second operand 11 states. [2019-09-20 13:06:43,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:43,413 INFO L93 Difference]: Finished difference Result 2485 states and 3349 transitions. [2019-09-20 13:06:43,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:06:43,413 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2019-09-20 13:06:43,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:43,423 INFO L225 Difference]: With dead ends: 2485 [2019-09-20 13:06:43,423 INFO L226 Difference]: Without dead ends: 1426 [2019-09-20 13:06:43,428 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-20 13:06:43,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2019-09-20 13:06:43,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1124. [2019-09-20 13:06:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2019-09-20 13:06:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1417 transitions. [2019-09-20 13:06:43,505 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1417 transitions. Word has length 136 [2019-09-20 13:06:43,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:43,506 INFO L475 AbstractCegarLoop]: Abstraction has 1124 states and 1417 transitions. [2019-09-20 13:06:43,506 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1417 transitions. [2019-09-20 13:06:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-20 13:06:43,512 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:43,512 INFO L407 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] [2019-09-20 13:06:43,512 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:43,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:43,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1692744000, now seen corresponding path program 2 times [2019-09-20 13:06:43,513 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:43,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:43,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:43,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:43,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-20 13:06:43,810 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:43,811 INFO L224 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:43,915 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:06:44,124 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:06:44,124 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:06:44,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:06:44,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:44,223 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:06:44,315 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:44,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:44,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:06:44,329 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:06:44,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:06:44,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:44,330 INFO L87 Difference]: Start difference. First operand 1124 states and 1417 transitions. Second operand 16 states. [2019-09-20 13:06:47,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:47,527 INFO L93 Difference]: Finished difference Result 3181 states and 4326 transitions. [2019-09-20 13:06:47,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:06:47,528 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 189 [2019-09-20 13:06:47,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:47,542 INFO L225 Difference]: With dead ends: 3181 [2019-09-20 13:06:47,543 INFO L226 Difference]: Without dead ends: 2232 [2019-09-20 13:06:47,547 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=737, Unknown=0, NotChecked=0, Total=930 [2019-09-20 13:06:47,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2232 states. [2019-09-20 13:06:47,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2232 to 2026. [2019-09-20 13:06:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2026 states. [2019-09-20 13:06:47,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 2535 transitions. [2019-09-20 13:06:47,683 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 2535 transitions. Word has length 189 [2019-09-20 13:06:47,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:47,684 INFO L475 AbstractCegarLoop]: Abstraction has 2026 states and 2535 transitions. [2019-09-20 13:06:47,684 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:06:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2535 transitions. [2019-09-20 13:06:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-20 13:06:47,694 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:47,695 INFO L407 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] [2019-09-20 13:06:47,695 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:47,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:47,696 INFO L82 PathProgramCache]: Analyzing trace with hash 183738818, now seen corresponding path program 1 times [2019-09-20 13:06:47,696 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:47,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:47,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:47,699 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:06:47,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:47,863 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-09-20 13:06:47,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:47,864 INFO L224 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 [2019-09-20 13:06:47,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:48,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:06:48,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-09-20 13:06:48,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:48,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:06:48,186 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:06:48,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:06:48,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:06:48,187 INFO L87 Difference]: Start difference. First operand 2026 states and 2535 transitions. Second operand 13 states. [2019-09-20 13:06:48,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:48,269 INFO L93 Difference]: Finished difference Result 2637 states and 3265 transitions. [2019-09-20 13:06:48,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:06:48,270 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 189 [2019-09-20 13:06:48,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:48,271 INFO L225 Difference]: With dead ends: 2637 [2019-09-20 13:06:48,271 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:48,278 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:06:48,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:48,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:48,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:48,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:48,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2019-09-20 13:06:48,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:48,280 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:48,280 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:06:48,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:48,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:48,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:50,866 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 32 [2019-09-20 13:06:51,286 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 19 [2019-09-20 13:06:51,474 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2019-09-20 13:06:51,895 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-09-20 13:06:52,089 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 29 [2019-09-20 13:06:52,120 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 659 714) no Hoare annotation was computed. [2019-09-20 13:06:52,120 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 694) no Hoare annotation was computed. [2019-09-20 13:06:52,120 INFO L443 ceAbstractionStarter]: For program point L690-1(lines 690 694) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point L685(line 685) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point L684-2(lines 684 705) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 659 714) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 659 714) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point L706(lines 683 707) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point L767(lines 740 768) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 715 774) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 715 774) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point L747-1(lines 747 751) no Hoare annotation was computed. [2019-09-20 13:06:52,121 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 715 774) no Hoare annotation was computed. [2019-09-20 13:06:52,122 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-09-20 13:06:52,122 INFO L443 ceAbstractionStarter]: For program point L741-2(lines 741 766) no Hoare annotation was computed. [2019-09-20 13:06:52,122 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 299 305) the Hoare annotation is: true [2019-09-20 13:06:52,122 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 299 305) no Hoare annotation was computed. [2019-09-20 13:06:52,122 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 306 314) no Hoare annotation was computed. [2019-09-20 13:06:52,122 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 306 314) the Hoare annotation is: true [2019-09-20 13:06:52,122 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 306 314) no Hoare annotation was computed. [2019-09-20 13:06:52,122 INFO L439 ceAbstractionStarter]: At program point L161(line 161) 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))) [2019-09-20 13:06:52,122 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 165) no Hoare annotation was computed. [2019-09-20 13:06:52,123 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 147 171) the Hoare annotation is: true [2019-09-20 13:06:52,123 INFO L439 ceAbstractionStarter]: At program point L157(line 157) 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))) [2019-09-20 13:06:52,123 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-09-20 13:06:52,123 INFO L443 ceAbstractionStarter]: For program point L155(lines 155 168) no Hoare annotation was computed. [2019-09-20 13:06:52,123 INFO L443 ceAbstractionStarter]: For program point L155-1(lines 147 171) no Hoare annotation was computed. [2019-09-20 13:06:52,123 INFO L446 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: true [2019-09-20 13:06:52,123 INFO L443 ceAbstractionStarter]: For program point L153-1(line 153) no Hoare annotation was computed. [2019-09-20 13:06:52,123 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 147 171) no Hoare annotation was computed. [2019-09-20 13:06:52,123 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-09-20 13:06:52,124 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-09-20 13:06:52,124 INFO L439 ceAbstractionStarter]: At program point L127(line 127) 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))) [2019-09-20 13:06:52,124 INFO L439 ceAbstractionStarter]: At program point L126(line 126) 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))) [2019-09-20 13:06:52,124 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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))) [2019-09-20 13:06:52,124 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) 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))) [2019-09-20 13:06:52,124 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-09-20 13:06:52,125 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-09-20 13:06:52,125 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:52,125 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= main_~tmp~0 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:52,125 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-09-20 13:06:52,125 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:06:52,125 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-09-20 13:06:52,125 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:06:52,125 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-09-20 13:06:52,126 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-09-20 13:06:52,127 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-09-20 13:06:52,127 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-09-20 13:06:52,127 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 515 529) no Hoare annotation was computed. [2019-09-20 13:06:52,127 INFO L439 ceAbstractionStarter]: At program point L521(line 521) 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))))) [2019-09-20 13:06:52,127 INFO L443 ceAbstractionStarter]: For program point L519(lines 519 525) no Hoare annotation was computed. [2019-09-20 13:06:52,127 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 515 529) 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))) [2019-09-20 13:06:52,127 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 515 529) no Hoare annotation was computed. [2019-09-20 13:06:52,128 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 432 440) no Hoare annotation was computed. [2019-09-20 13:06:52,128 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 432 440) the Hoare annotation is: true [2019-09-20 13:06:52,128 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 432 440) no Hoare annotation was computed. [2019-09-20 13:06:52,128 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 496 514) the Hoare annotation is: true [2019-09-20 13:06:52,128 INFO L443 ceAbstractionStarter]: For program point L505(lines 505 509) no Hoare annotation was computed. [2019-09-20 13:06:52,128 INFO L446 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: true [2019-09-20 13:06:52,128 INFO L443 ceAbstractionStarter]: For program point L505-2(lines 505 509) no Hoare annotation was computed. [2019-09-20 13:06:52,128 INFO L443 ceAbstractionStarter]: For program point L503-1(line 503) no Hoare annotation was computed. [2019-09-20 13:06:52,128 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 496 514) no Hoare annotation was computed. [2019-09-20 13:06:52,129 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 496 514) no Hoare annotation was computed. [2019-09-20 13:06:52,129 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 456) no Hoare annotation was computed. [2019-09-20 13:06:52,129 INFO L443 ceAbstractionStarter]: For program point L448-2(lines 448 456) no Hoare annotation was computed. [2019-09-20 13:06:52,129 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-09-20 13:06:52,129 INFO L443 ceAbstractionStarter]: For program point L471-1(line 471) no Hoare annotation was computed. [2019-09-20 13:06:52,129 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 441 476) no Hoare annotation was computed. [2019-09-20 13:06:52,129 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 468) no Hoare annotation was computed. [2019-09-20 13:06:52,129 INFO L443 ceAbstractionStarter]: For program point L460-2(lines 460 468) no Hoare annotation was computed. [2019-09-20 13:06:52,129 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 441 476) no Hoare annotation was computed. [2019-09-20 13:06:52,130 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 441 476) no Hoare annotation was computed. [2019-09-20 13:06:52,130 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 292 298) no Hoare annotation was computed. [2019-09-20 13:06:52,130 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 292 298) the Hoare annotation is: true [2019-09-20 13:06:52,130 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 613 658) no Hoare annotation was computed. [2019-09-20 13:06:52,130 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 613 658) no Hoare annotation was computed. [2019-09-20 13:06:52,130 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 613 658) no Hoare annotation was computed. [2019-09-20 13:06:52,130 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 926 971) no Hoare annotation was computed. [2019-09-20 13:06:52,130 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 953) no Hoare annotation was computed. [2019-09-20 13:06:52,130 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 960) no Hoare annotation was computed. [2019-09-20 13:06:52,131 INFO L443 ceAbstractionStarter]: For program point L940-1(lines 940 960) no Hoare annotation was computed. [2019-09-20 13:06:52,131 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 926 971) no Hoare annotation was computed. [2019-09-20 13:06:52,131 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 926 971) no Hoare annotation was computed. [2019-09-20 13:06:52,131 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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))) [2019-09-20 13:06:52,131 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-09-20 13:06:52,131 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-09-20 13:06:52,131 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 421 431) no Hoare annotation was computed. [2019-09-20 13:06:52,131 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 421 431) no Hoare annotation was computed. [2019-09-20 13:06:52,131 INFO L443 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2019-09-20 13:06:52,132 INFO L443 ceAbstractionStarter]: For program point L426-1(line 426) no Hoare annotation was computed. [2019-09-20 13:06:52,132 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 421 431) no Hoare annotation was computed. [2019-09-20 13:06:52,132 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 413 420) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:06:52,132 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 413 420) no Hoare annotation was computed. [2019-09-20 13:06:52,132 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 413 420) no Hoare annotation was computed. [2019-09-20 13:06:52,132 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 257 270) no Hoare annotation was computed. [2019-09-20 13:06:52,132 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 267) no Hoare annotation was computed. [2019-09-20 13:06:52,132 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 257 270) the Hoare annotation is: true [2019-09-20 13:06:52,133 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 257 270) no Hoare annotation was computed. [2019-09-20 13:06:52,133 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-09-20 13:06:52,133 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 401) no Hoare annotation was computed. [2019-09-20 13:06:52,133 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 380 404) no Hoare annotation was computed. [2019-09-20 13:06:52,133 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 380 404) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:06:52,133 INFO L439 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-09-20 13:06:52,133 INFO L443 ceAbstractionStarter]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2019-09-20 13:06:52,134 INFO L439 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:06:52,134 INFO L439 ceAbstractionStarter]: At program point L390(line 390) 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))) [2019-09-20 13:06:52,134 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 396) no Hoare annotation was computed. [2019-09-20 13:06:52,134 INFO L439 ceAbstractionStarter]: At program point L386(line 386) 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))) [2019-09-20 13:06:52,134 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2019-09-20 13:06:52,134 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2019-09-20 13:06:52,135 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 531 596) 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))) [2019-09-20 13:06:52,135 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 547) no Hoare annotation was computed. [2019-09-20 13:06:52,135 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 531 596) no Hoare annotation was computed. [2019-09-20 13:06:52,135 INFO L439 ceAbstractionStarter]: At program point L589(lines 540 590) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:52,135 INFO L439 ceAbstractionStarter]: At program point L579(line 579) 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)))) [2019-09-20 13:06:52,135 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-09-20 13:06:52,135 INFO L439 ceAbstractionStarter]: At program point L577-1(lines 571 584) 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)))) [2019-09-20 13:06:52,136 INFO L443 ceAbstractionStarter]: For program point L542(lines 541 588) no Hoare annotation was computed. [2019-09-20 13:06:52,136 INFO L443 ceAbstractionStarter]: For program point L571(lines 571 584) no Hoare annotation was computed. [2019-09-20 13:06:52,136 INFO L439 ceAbstractionStarter]: At program point L563(line 563) 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)))) [2019-09-20 13:06:52,136 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 567) no Hoare annotation was computed. [2019-09-20 13:06:52,136 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 561 567) no Hoare annotation was computed. [2019-09-20 13:06:52,136 INFO L439 ceAbstractionStarter]: At program point L586(lines 541 588) 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))))) [2019-09-20 13:06:52,137 INFO L439 ceAbstractionStarter]: At program point L553(line 553) 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))))) [2019-09-20 13:06:52,137 INFO L443 ceAbstractionStarter]: For program point L551(lines 551 557) no Hoare annotation was computed. [2019-09-20 13:06:52,137 INFO L443 ceAbstractionStarter]: For program point L551-1(lines 551 557) no Hoare annotation was computed. [2019-09-20 13:06:52,137 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 531 596) no Hoare annotation was computed. [2019-09-20 13:06:52,137 INFO L443 ceAbstractionStarter]: For program point L894(lines 894 914) no Hoare annotation was computed. [2019-09-20 13:06:52,137 INFO L443 ceAbstractionStarter]: For program point L894-1(lines 894 914) no Hoare annotation was computed. [2019-09-20 13:06:52,137 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 880 925) no Hoare annotation was computed. [2019-09-20 13:06:52,137 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 880 925) no Hoare annotation was computed. [2019-09-20 13:06:52,137 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 880 925) no Hoare annotation was computed. [2019-09-20 13:06:52,138 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 907) no Hoare annotation was computed. [2019-09-20 13:06:52,138 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 271 279) no Hoare annotation was computed. [2019-09-20 13:06:52,138 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 271 279) the Hoare annotation is: true [2019-09-20 13:06:52,138 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 271 279) no Hoare annotation was computed. [2019-09-20 13:06:52,138 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 241) no Hoare annotation was computed. [2019-09-20 13:06:52,138 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 225 247) no Hoare annotation was computed. [2019-09-20 13:06:52,138 INFO L443 ceAbstractionStarter]: For program point L233-2(lines 233 241) no Hoare annotation was computed. [2019-09-20 13:06:52,138 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 225 247) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 225 247) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 282 291) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 282 291) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 282 291) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 805) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 876) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 777 879) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point L826-2(lines 826 846) no Hoare annotation was computed. [2019-09-20 13:06:52,139 INFO L443 ceAbstractionStarter]: For program point L847(lines 825 848) no Hoare annotation was computed. [2019-09-20 13:06:52,140 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 822) no Hoare annotation was computed. [2019-09-20 13:06:52,140 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 777 879) no Hoare annotation was computed. [2019-09-20 13:06:52,140 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 873) no Hoare annotation was computed. [2019-09-20 13:06:52,140 INFO L443 ceAbstractionStarter]: For program point L827(lines 826 846) no Hoare annotation was computed. [2019-09-20 13:06:52,140 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-09-20 13:06:52,140 INFO L443 ceAbstractionStarter]: For program point L858-1(line 858) no Hoare annotation was computed. [2019-09-20 13:06:52,140 INFO L443 ceAbstractionStarter]: For program point L823(lines 823 864) no Hoare annotation was computed. [2019-09-20 13:06:52,140 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 777 879) no Hoare annotation was computed. [2019-09-20 13:06:52,141 INFO L443 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2019-09-20 13:06:52,141 INFO L443 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2019-09-20 13:06:52,141 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:52,141 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)) [2019-09-20 13:06:52,141 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:52,141 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 405 412) no Hoare annotation was computed. [2019-09-20 13:06:52,141 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 405 412) no Hoare annotation was computed. [2019-09-20 13:06:52,141 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 405 412) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:52,142 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 248 256) the Hoare annotation is: true [2019-09-20 13:06:52,142 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 248 256) no Hoare annotation was computed. [2019-09-20 13:06:52,142 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 248 256) no Hoare annotation was computed. [2019-09-20 13:06:52,142 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 477 495) no Hoare annotation was computed. [2019-09-20 13:06:52,142 INFO L443 ceAbstractionStarter]: For program point L486(lines 486 490) no Hoare annotation was computed. [2019-09-20 13:06:52,142 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 477 495) the Hoare annotation is: true [2019-09-20 13:06:52,142 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 477 495) no Hoare annotation was computed. [2019-09-20 13:06:52,142 INFO L446 ceAbstractionStarter]: At program point L484(line 484) the Hoare annotation is: true [2019-09-20 13:06:52,143 INFO L443 ceAbstractionStarter]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2019-09-20 13:06:52,143 INFO L443 ceAbstractionStarter]: For program point L484-1(line 484) no Hoare annotation was computed. [2019-09-20 13:06:52,143 INFO L443 ceAbstractionStarter]: For program point L208-1(lines 204 215) no Hoare annotation was computed. [2019-09-20 13:06:52,143 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 204 215) the Hoare annotation is: true [2019-09-20 13:06:52,143 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 204 215) no Hoare annotation was computed. [2019-09-20 13:06:52,143 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:52,143 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:06:52,143 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:52,144 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 322 345) 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)|))))) [2019-09-20 13:06:52,144 INFO L439 ceAbstractionStarter]: At program point L335(line 335) 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)|)))))) [2019-09-20 13:06:52,144 INFO L439 ceAbstractionStarter]: At program point L333(lines 333 339) 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)))))) [2019-09-20 13:06:52,144 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 322 345) no Hoare annotation was computed. [2019-09-20 13:06:52,145 INFO L439 ceAbstractionStarter]: At program point L328(line 328) 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))) [2019-09-20 13:06:52,145 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 322 345) no Hoare annotation was computed. [2019-09-20 13:06:52,145 INFO L443 ceAbstractionStarter]: For program point L326(lines 325 344) no Hoare annotation was computed. [2019-09-20 13:06:52,145 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-09-20 13:06:52,145 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-09-20 13:06:52,145 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-09-20 13:06:52,145 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-09-20 13:06:52,145 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-09-20 13:06:52,145 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-09-20 13:06:52,146 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-09-20 13:06:52,146 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-09-20 13:06:52,146 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-09-20 13:06:52,146 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-09-20 13:06:52,146 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 216 224) no Hoare annotation was computed. [2019-09-20 13:06:52,146 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 216 224) no Hoare annotation was computed. [2019-09-20 13:06:52,146 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 216 224) no Hoare annotation was computed. [2019-09-20 13:06:52,147 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 180 191) the Hoare annotation is: (or (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:06:52,147 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 180 191) no Hoare annotation was computed. [2019-09-20 13:06:52,147 INFO L443 ceAbstractionStarter]: For program point L184-1(lines 180 191) no Hoare annotation was computed. [2019-09-20 13:06:52,147 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-09-20 13:06:52,147 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-09-20 13:06:52,147 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:52,147 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:06:52,147 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:06:52,148 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:52,148 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) 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))))) [2019-09-20 13:06:52,148 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2019-09-20 13:06:52,148 INFO L439 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:06:52,148 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2019-09-20 13:06:52,148 INFO L439 ceAbstractionStarter]: At program point L368(line 368) 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))) [2019-09-20 13:06:52,148 INFO L439 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-09-20 13:06:52,149 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 370) no Hoare annotation was computed. [2019-09-20 13:06:52,149 INFO L439 ceAbstractionStarter]: At program point L360(line 360) 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))))) [2019-09-20 13:06:52,149 INFO L443 ceAbstractionStarter]: For program point L360-1(line 360) no Hoare annotation was computed. [2019-09-20 13:06:52,149 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 375) no Hoare annotation was computed. [2019-09-20 13:06:52,149 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 192 203) no Hoare annotation was computed. [2019-09-20 13:06:52,149 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 192 203) 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)|))))) [2019-09-20 13:06:52,149 INFO L443 ceAbstractionStarter]: For program point L196-1(lines 192 203) no Hoare annotation was computed. [2019-09-20 13:06:52,150 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 598 605) no Hoare annotation was computed. [2019-09-20 13:06:52,150 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 602) no Hoare annotation was computed. [2019-09-20 13:06:52,150 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 598 605) the Hoare annotation is: true [2019-09-20 13:06:52,150 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 598 605) no Hoare annotation was computed. [2019-09-20 13:06:52,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:06:52 BoogieIcfgContainer [2019-09-20 13:06:52,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:06:52,168 INFO L168 Benchmark]: Toolchain (without parser) took 21023.46 ms. Allocated memory was 131.6 MB in the beginning and 649.1 MB in the end (delta: 517.5 MB). Free memory was 86.4 MB in the beginning and 447.4 MB in the end (delta: -361.0 MB). Peak memory consumption was 440.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:52,169 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:06:52,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.51 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.2 MB in the beginning and 163.5 MB in the end (delta: -77.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:52,171 INFO L168 Benchmark]: Boogie Preprocessor took 88.28 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 159.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:52,172 INFO L168 Benchmark]: RCFGBuilder took 1222.68 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.0 MB in the beginning and 189.0 MB in the end (delta: -30.0 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:52,173 INFO L168 Benchmark]: TraceAbstraction took 18951.69 ms. Allocated memory was 220.2 MB in the beginning and 649.1 MB in the end (delta: 428.9 MB). Free memory was 189.0 MB in the beginning and 447.4 MB in the end (delta: -258.4 MB). Peak memory consumption was 454.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:52,178 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 755.51 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 86.2 MB in the beginning and 163.5 MB in the end (delta: -77.3 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.28 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 159.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1222.68 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 159.0 MB in the beginning and 189.0 MB in the end (delta: -30.0 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18951.69 ms. Allocated memory was 220.2 MB in the beginning and 649.1 MB in the end (delta: 428.9 MB). Free memory was 189.0 MB in the beginning and 447.4 MB in the end (delta: -258.4 MB). Peak memory consumption was 454.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 602]: 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: 540]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: 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)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. SAFE Result, 18.8s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 9.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1866 SDtfs, 2471 SDslu, 6307 SDs, 0 SdLazy, 6873 SolverSat, 1583 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1068 GetRequests, 911 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2026occurred 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, 863 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 3877 PreInvPairs, 3996 NumberOfFragments, 1008 HoareAnnotationTreeSize, 3877 FomulaSimplifications, 18148 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 61 FomulaSimplificationsInter, 11101 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1994 NumberOfCodeBlocks, 1994 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1977 ConstructedInterpolants, 0 QuantifiedInterpolants, 409967 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5217 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...