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_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:33,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:33,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:33,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:33,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:33,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:33,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:33,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:33,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:33,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:33,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:33,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:33,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:33,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:33,963 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:33,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:33,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:33,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:33,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:33,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:33,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:33,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:33,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:33,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:33,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:33,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:33,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:33,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:33,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:33,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:33,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:33,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:33,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:33,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:33,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:33,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:33,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:33,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:33,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:33,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:33,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:33,994 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 13:06:34,010 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:34,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:34,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:34,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:34,012 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:34,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:34,012 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:34,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:34,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:34,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:34,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:34,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:34,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:34,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:34,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:34,014 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:34,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:34,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:34,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:34,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:34,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:34,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:34,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:34,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:34,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:34,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:34,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:34,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:34,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:34,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:34,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:34,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:34,064 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:34,064 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:34,065 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product55.cil.c [2019-09-20 13:06:34,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25d6f33c3/19f80b0d808c40a5b21f5f2a63b4f2f5/FLAGc2e590cae [2019-09-20 13:06:34,649 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:34,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product55.cil.c [2019-09-20 13:06:34,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25d6f33c3/19f80b0d808c40a5b21f5f2a63b4f2f5/FLAGc2e590cae [2019-09-20 13:06:34,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25d6f33c3/19f80b0d808c40a5b21f5f2a63b4f2f5 [2019-09-20 13:06:34,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:34,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:34,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:34,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:34,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:34,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:35,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd9bbc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34, skipping insertion in model container [2019-09-20 13:06:35,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:35,008 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:35,070 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:35,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:35,568 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:35,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:35,695 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:35,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35 WrapperNode [2019-09-20 13:06:35,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:35,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:35,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:35,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:35,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:35,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:35,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:35,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:35,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (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 13:06:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:06:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:35,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:35,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:06:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:35,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:35,904 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:35,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:35,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:35,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:06:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:35,908 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:35,909 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:35,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:06:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:35,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:35,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:35,913 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:35,914 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:35,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:35,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:35,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:36,997 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:36,997 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:36,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:36 BoogieIcfgContainer [2019-09-20 13:06:36,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:37,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:37,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:37,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:37,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:34" (1/3) ... [2019-09-20 13:06:37,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb3d74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:37, skipping insertion in model container [2019-09-20 13:06:37,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (2/3) ... [2019-09-20 13:06:37,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bb3d74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:37, skipping insertion in model container [2019-09-20 13:06:37,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:36" (3/3) ... [2019-09-20 13:06:37,010 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2019-09-20 13:06:37,020 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:37,034 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:37,052 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:37,087 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:37,088 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:37,088 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:37,088 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:37,088 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:37,088 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:37,089 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:37,089 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:37,089 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2019-09-20 13:06:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:37,123 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:37,124 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 13:06:37,127 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:37,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:37,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1116469353, now seen corresponding path program 1 times [2019-09-20 13:06:37,133 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:37,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:37,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:37,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:37,496 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 13:06:37,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:37,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:37,511 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:37,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:37,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:37,531 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2019-09-20 13:06:37,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:37,592 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2019-09-20 13:06:37,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:37,594 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:37,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:37,609 INFO L225 Difference]: With dead ends: 304 [2019-09-20 13:06:37,609 INFO L226 Difference]: Without dead ends: 152 [2019-09-20 13:06:37,614 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 13:06:37,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-09-20 13:06:37,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-09-20 13:06:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-09-20 13:06:37,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2019-09-20 13:06:37,678 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 46 [2019-09-20 13:06:37,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:37,679 INFO L475 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2019-09-20 13:06:37,679 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2019-09-20 13:06:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:37,686 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:37,686 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 13:06:37,686 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:37,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:37,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1310027705, now seen corresponding path program 1 times [2019-09-20 13:06:37,687 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:37,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:37,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:37,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:37,837 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 13:06:37,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:37,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:37,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:37,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:37,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:37,842 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2019-09-20 13:06:37,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:37,901 INFO L93 Difference]: Finished difference Result 247 states and 291 transitions. [2019-09-20 13:06:37,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:37,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:37,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:37,907 INFO L225 Difference]: With dead ends: 247 [2019-09-20 13:06:37,907 INFO L226 Difference]: Without dead ends: 143 [2019-09-20 13:06:37,911 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 13:06:37,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-09-20 13:06:37,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-09-20 13:06:37,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-09-20 13:06:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2019-09-20 13:06:37,942 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 47 [2019-09-20 13:06:37,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:37,943 INFO L475 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2019-09-20 13:06:37,943 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2019-09-20 13:06:37,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:06:37,947 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:37,948 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 13:06:37,949 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:37,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:37,949 INFO L82 PathProgramCache]: Analyzing trace with hash -2059448103, now seen corresponding path program 1 times [2019-09-20 13:06:37,949 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:37,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:37,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:37,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,118 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 13:06:38,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:38,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:38,119 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:38,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:38,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:38,120 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2019-09-20 13:06:38,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:38,683 INFO L93 Difference]: Finished difference Result 431 states and 522 transitions. [2019-09-20 13:06:38,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:38,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:06:38,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:38,689 INFO L225 Difference]: With dead ends: 431 [2019-09-20 13:06:38,689 INFO L226 Difference]: Without dead ends: 312 [2019-09-20 13:06:38,691 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 13:06:38,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2019-09-20 13:06:38,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2019-09-20 13:06:38,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-09-20 13:06:38,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2019-09-20 13:06:38,732 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 51 [2019-09-20 13:06:38,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:38,732 INFO L475 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2019-09-20 13:06:38,732 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2019-09-20 13:06:38,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:06:38,735 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:38,736 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 13:06:38,736 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:38,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:38,736 INFO L82 PathProgramCache]: Analyzing trace with hash -535477179, now seen corresponding path program 1 times [2019-09-20 13:06:38,737 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:38,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:38,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:38,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,924 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 13:06:38,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:38,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:38,926 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:38,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:38,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:38,928 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand 10 states. [2019-09-20 13:06:39,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:39,745 INFO L93 Difference]: Finished difference Result 1096 states and 1428 transitions. [2019-09-20 13:06:39,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:39,746 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:06:39,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:39,761 INFO L225 Difference]: With dead ends: 1096 [2019-09-20 13:06:39,761 INFO L226 Difference]: Without dead ends: 816 [2019-09-20 13:06:39,767 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 13:06:39,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2019-09-20 13:06:39,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 804. [2019-09-20 13:06:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2019-09-20 13:06:39,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1012 transitions. [2019-09-20 13:06:39,881 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1012 transitions. Word has length 57 [2019-09-20 13:06:39,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:39,882 INFO L475 AbstractCegarLoop]: Abstraction has 804 states and 1012 transitions. [2019-09-20 13:06:39,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:39,883 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1012 transitions. [2019-09-20 13:06:39,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:06:39,896 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:39,896 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 13:06:39,896 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:39,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:39,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1450049621, now seen corresponding path program 1 times [2019-09-20 13:06:39,904 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:39,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:39,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:39,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,018 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 13:06:40,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:40,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:06:40,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:06:40,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:06:40,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:06:40,020 INFO L87 Difference]: Start difference. First operand 804 states and 1012 transitions. Second operand 4 states. [2019-09-20 13:06:40,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:40,424 INFO L93 Difference]: Finished difference Result 1972 states and 2707 transitions. [2019-09-20 13:06:40,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:06:40,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:06:40,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:40,433 INFO L225 Difference]: With dead ends: 1972 [2019-09-20 13:06:40,433 INFO L226 Difference]: Without dead ends: 1192 [2019-09-20 13:06:40,437 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 13:06:40,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2019-09-20 13:06:40,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1057. [2019-09-20 13:06:40,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2019-09-20 13:06:40,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1336 transitions. [2019-09-20 13:06:40,513 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1336 transitions. Word has length 61 [2019-09-20 13:06:40,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:40,514 INFO L475 AbstractCegarLoop]: Abstraction has 1057 states and 1336 transitions. [2019-09-20 13:06:40,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:06:40,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1336 transitions. [2019-09-20 13:06:40,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:06:40,517 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:40,517 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 13:06:40,517 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:40,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:40,518 INFO L82 PathProgramCache]: Analyzing trace with hash 2144996460, now seen corresponding path program 1 times [2019-09-20 13:06:40,518 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:40,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:40,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,635 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 13:06:40,636 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:40,636 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 13:06:40,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:06:40,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:41,005 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:41,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-20 13:06:41,006 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:06:41,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:06:41,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:06:41,007 INFO L87 Difference]: Start difference. First operand 1057 states and 1336 transitions. Second operand 12 states. [2019-09-20 13:06:44,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:44,687 INFO L93 Difference]: Finished difference Result 2480 states and 3389 transitions. [2019-09-20 13:06:44,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-20 13:06:44,687 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2019-09-20 13:06:44,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:44,699 INFO L225 Difference]: With dead ends: 2480 [2019-09-20 13:06:44,699 INFO L226 Difference]: Without dead ends: 1697 [2019-09-20 13:06:44,704 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-09-20 13:06:44,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-09-20 13:06:44,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1491. [2019-09-20 13:06:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2019-09-20 13:06:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1909 transitions. [2019-09-20 13:06:44,804 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1909 transitions. Word has length 88 [2019-09-20 13:06:44,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:44,805 INFO L475 AbstractCegarLoop]: Abstraction has 1491 states and 1909 transitions. [2019-09-20 13:06:44,805 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:06:44,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1909 transitions. [2019-09-20 13:06:44,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-20 13:06:44,810 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:44,811 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, 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 13:06:44,811 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:44,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:44,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1657420778, now seen corresponding path program 1 times [2019-09-20 13:06:44,812 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:44,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:44,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-20 13:06:44,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:44,921 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 13:06:44,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:45,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-20 13:06:45,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-20 13:06:45,292 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:45,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-09-20 13:06:45,294 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:06:45,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:06:45,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:06:45,295 INFO L87 Difference]: Start difference. First operand 1491 states and 1909 transitions. Second operand 9 states. [2019-09-20 13:06:46,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:46,345 INFO L93 Difference]: Finished difference Result 3057 states and 4043 transitions. [2019-09-20 13:06:46,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-20 13:06:46,345 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-09-20 13:06:46,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:46,357 INFO L225 Difference]: With dead ends: 3057 [2019-09-20 13:06:46,357 INFO L226 Difference]: Without dead ends: 1590 [2019-09-20 13:06:46,363 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:46,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2019-09-20 13:06:46,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1503. [2019-09-20 13:06:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2019-09-20 13:06:46,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1787 transitions. [2019-09-20 13:06:46,456 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1787 transitions. Word has length 155 [2019-09-20 13:06:46,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:46,457 INFO L475 AbstractCegarLoop]: Abstraction has 1503 states and 1787 transitions. [2019-09-20 13:06:46,457 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:06:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1787 transitions. [2019-09-20 13:06:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-20 13:06:46,461 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:46,461 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:46,462 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:46,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:46,462 INFO L82 PathProgramCache]: Analyzing trace with hash -2137668980, now seen corresponding path program 1 times [2019-09-20 13:06:46,462 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:46,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:46,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,604 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-20 13:06:46,604 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:46,604 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 13:06:46,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:06:46,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 14 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 13:06:46,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:46,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:06:46,961 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:46,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:46,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:46,963 INFO L87 Difference]: Start difference. First operand 1503 states and 1787 transitions. Second operand 11 states. [2019-09-20 13:06:47,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:47,052 INFO L93 Difference]: Finished difference Result 2813 states and 3418 transitions. [2019-09-20 13:06:47,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:47,053 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2019-09-20 13:06:47,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:47,063 INFO L225 Difference]: With dead ends: 2813 [2019-09-20 13:06:47,063 INFO L226 Difference]: Without dead ends: 1334 [2019-09-20 13:06:47,073 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 153 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 13:06:47,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2019-09-20 13:06:47,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1334. [2019-09-20 13:06:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2019-09-20 13:06:47,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1589 transitions. [2019-09-20 13:06:47,166 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1589 transitions. Word has length 153 [2019-09-20 13:06:47,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:47,167 INFO L475 AbstractCegarLoop]: Abstraction has 1334 states and 1589 transitions. [2019-09-20 13:06:47,167 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1589 transitions. [2019-09-20 13:06:47,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-20 13:06:47,172 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:47,172 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:06:47,172 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:47,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:47,173 INFO L82 PathProgramCache]: Analyzing trace with hash -560572109, now seen corresponding path program 1 times [2019-09-20 13:06:47,173 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:47,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:47,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:47,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:47,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:47,344 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-20 13:06:47,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:47,345 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 13:06:47,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:47,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:47,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:47,648 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:47,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-20 13:06:47,649 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:47,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:47,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:47,650 INFO L87 Difference]: Start difference. First operand 1334 states and 1589 transitions. Second operand 11 states. [2019-09-20 13:06:49,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:49,195 INFO L93 Difference]: Finished difference Result 2667 states and 3352 transitions. [2019-09-20 13:06:49,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:06:49,196 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 157 [2019-09-20 13:06:49,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:49,217 INFO L225 Difference]: With dead ends: 2667 [2019-09-20 13:06:49,217 INFO L226 Difference]: Without dead ends: 1522 [2019-09-20 13:06:49,223 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-20 13:06:49,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2019-09-20 13:06:49,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1220. [2019-09-20 13:06:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1220 states. [2019-09-20 13:06:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1443 transitions. [2019-09-20 13:06:49,306 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1443 transitions. Word has length 157 [2019-09-20 13:06:49,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:49,309 INFO L475 AbstractCegarLoop]: Abstraction has 1220 states and 1443 transitions. [2019-09-20 13:06:49,309 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:49,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1443 transitions. [2019-09-20 13:06:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-09-20 13:06:49,315 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:49,317 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, 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, 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] [2019-09-20 13:06:49,317 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:49,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:49,318 INFO L82 PathProgramCache]: Analyzing trace with hash -31633322, now seen corresponding path program 2 times [2019-09-20 13:06:49,318 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:49,318 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:49,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:49,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 47 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-20 13:06:49,684 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:49,684 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 13:06:49,764 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:06:49,931 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:06:49,931 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:06:49,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:06:49,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:50,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:06:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-20 13:06:50,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:50,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:06:50,134 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:06:50,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:06:50,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:50,135 INFO L87 Difference]: Start difference. First operand 1220 states and 1443 transitions. Second operand 16 states. [2019-09-20 13:06:53,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:53,576 INFO L93 Difference]: Finished difference Result 3495 states and 4378 transitions. [2019-09-20 13:06:53,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-20 13:06:53,577 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 226 [2019-09-20 13:06:53,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:53,598 INFO L225 Difference]: With dead ends: 3495 [2019-09-20 13:06:53,598 INFO L226 Difference]: Without dead ends: 2456 [2019-09-20 13:06:53,603 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:06:53,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2019-09-20 13:06:53,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2248. [2019-09-20 13:06:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2248 states. [2019-09-20 13:06:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 2248 states and 2649 transitions. [2019-09-20 13:06:53,788 INFO L78 Accepts]: Start accepts. Automaton has 2248 states and 2649 transitions. Word has length 226 [2019-09-20 13:06:53,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:53,789 INFO L475 AbstractCegarLoop]: Abstraction has 2248 states and 2649 transitions. [2019-09-20 13:06:53,789 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:06:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2649 transitions. [2019-09-20 13:06:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-09-20 13:06:53,798 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:53,798 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, 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, 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] [2019-09-20 13:06:53,798 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:53,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:53,799 INFO L82 PathProgramCache]: Analyzing trace with hash -2065027368, now seen corresponding path program 1 times [2019-09-20 13:06:53,799 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:53,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:53,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:53,803 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:06:53,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-09-20 13:06:53,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:53,936 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 13:06:54,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:54,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:06:54,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-20 13:06:54,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:54,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:06:54,219 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:06:54,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:06:54,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:06:54,219 INFO L87 Difference]: Start difference. First operand 2248 states and 2649 transitions. Second operand 13 states. [2019-09-20 13:06:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:54,334 INFO L93 Difference]: Finished difference Result 2871 states and 3367 transitions. [2019-09-20 13:06:54,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:06:54,335 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2019-09-20 13:06:54,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:54,336 INFO L225 Difference]: With dead ends: 2871 [2019-09-20 13:06:54,337 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:54,343 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 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 13:06:54,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:54,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:54,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:54,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2019-09-20 13:06:54,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:54,345 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:54,346 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:06:54,346 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:54,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:54,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:54,777 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 65 [2019-09-20 13:06:54,902 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 73 [2019-09-20 13:06:55,754 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-20 13:06:56,106 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-20 13:06:56,526 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-09-20 13:06:56,810 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2019-09-20 13:06:56,914 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2019-09-20 13:06:57,377 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 33 [2019-09-20 13:06:57,599 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 22 [2019-09-20 13:06:58,711 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2019-09-20 13:06:58,859 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-09-20 13:06:59,042 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2019-09-20 13:06:59,203 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2019-09-20 13:06:59,366 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-09-20 13:06:59,486 INFO L443 ceAbstractionStarter]: For program point L609(line 609) no Hoare annotation was computed. [2019-09-20 13:06:59,486 INFO L443 ceAbstractionStarter]: For program point L608-2(lines 608 629) no Hoare annotation was computed. [2019-09-20 13:06:59,486 INFO L443 ceAbstractionStarter]: For program point L630(lines 607 631) no Hoare annotation was computed. [2019-09-20 13:06:59,486 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 583 638) no Hoare annotation was computed. [2019-09-20 13:06:59,486 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 583 638) no Hoare annotation was computed. [2019-09-20 13:06:59,486 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2019-09-20 13:06:59,487 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2019-09-20 13:06:59,487 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 583 638) no Hoare annotation was computed. [2019-09-20 13:06:59,487 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2019-09-20 13:06:59,487 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 671 675) no Hoare annotation was computed. [2019-09-20 13:06:59,487 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-09-20 13:06:59,487 INFO L443 ceAbstractionStarter]: For program point L665-2(lines 665 690) no Hoare annotation was computed. [2019-09-20 13:06:59,487 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 639 698) no Hoare annotation was computed. [2019-09-20 13:06:59,487 INFO L443 ceAbstractionStarter]: For program point L691(lines 664 692) no Hoare annotation was computed. [2019-09-20 13:06:59,488 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 639 698) no Hoare annotation was computed. [2019-09-20 13:06:59,488 INFO L443 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2019-09-20 13:06:59,488 INFO L443 ceAbstractionStarter]: For program point L684-1(line 684) no Hoare annotation was computed. [2019-09-20 13:06:59,488 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 639 698) no Hoare annotation was computed. [2019-09-20 13:06:59,488 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 409 415) the Hoare annotation is: true [2019-09-20 13:06:59,488 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 409 415) no Hoare annotation was computed. [2019-09-20 13:06:59,488 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 416 424) no Hoare annotation was computed. [2019-09-20 13:06:59,489 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 416 424) the Hoare annotation is: true [2019-09-20 13:06:59,489 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 416 424) no Hoare annotation was computed. [2019-09-20 13:06:59,489 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 362 386) the Hoare annotation is: true [2019-09-20 13:06:59,489 INFO L439 ceAbstractionStarter]: At program point L376(line 376) 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 (not (<= 1 ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2019-09-20 13:06:59,489 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 380) no Hoare annotation was computed. [2019-09-20 13:06:59,489 INFO L439 ceAbstractionStarter]: At program point L372(line 372) 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 (not (<= 1 ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2019-09-20 13:06:59,489 INFO L443 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2019-09-20 13:06:59,489 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 362 386) no Hoare annotation was computed. [2019-09-20 13:06:59,490 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 383) no Hoare annotation was computed. [2019-09-20 13:06:59,490 INFO L443 ceAbstractionStarter]: For program point L370-1(lines 362 386) no Hoare annotation was computed. [2019-09-20 13:06:59,490 INFO L446 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2019-09-20 13:06:59,490 INFO L443 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2019-09-20 13:06:59,490 INFO L439 ceAbstractionStarter]: At program point L513(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:59,490 INFO L439 ceAbstractionStarter]: At program point L513-1(line 513) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:59,490 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:59,490 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2019-09-20 13:06:59,491 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2019-09-20 13:06:59,491 INFO L439 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~7 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2019-09-20 13:06:59,491 INFO L439 ceAbstractionStarter]: At program point L519-1(line 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~7 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0))) [2019-09-20 13:06:59,491 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2019-09-20 13:06:59,491 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2019-09-20 13:06:59,491 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-09-20 13:06:59,492 INFO L439 ceAbstractionStarter]: At program point L514(line 514) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:59,492 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-09-20 13:06:59,492 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-09-20 13:06:59,492 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 466 489) no Hoare annotation was computed. [2019-09-20 13:06:59,492 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-20 13:06:59,492 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-09-20 13:06:59,492 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-09-20 13:06:59,492 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 466 489) no Hoare annotation was computed. [2019-09-20 13:06:59,492 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-20 13:06:59,493 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 466 489) no Hoare annotation was computed. [2019-09-20 13:06:59,493 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-09-20 13:06:59,493 INFO L443 ceAbstractionStarter]: For program point L474(line 474) no Hoare annotation was computed. [2019-09-20 13:06:59,493 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-09-20 13:06:59,493 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-09-20 13:06:59,493 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-09-20 13:06:59,493 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-09-20 13:06:59,493 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-09-20 13:06:59,494 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-20 13:06:59,494 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 344 358) no Hoare annotation was computed. [2019-09-20 13:06:59,494 INFO L439 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (or (not (<= 1 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0)))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2019-09-20 13:06:59,494 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-09-20 13:06:59,494 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 344 358) the Hoare annotation is: (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (or (not (<= 1 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0)))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2019-09-20 13:06:59,494 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 344 358) no Hoare annotation was computed. [2019-09-20 13:06:59,494 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2019-09-20 13:06:59,495 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 261 269) the Hoare annotation is: true [2019-09-20 13:06:59,495 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 261 269) no Hoare annotation was computed. [2019-09-20 13:06:59,495 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2019-09-20 13:06:59,495 INFO L446 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: true [2019-09-20 13:06:59,495 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2019-09-20 13:06:59,495 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-09-20 13:06:59,495 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 325 343) the Hoare annotation is: true [2019-09-20 13:06:59,495 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 325 343) no Hoare annotation was computed. [2019-09-20 13:06:59,496 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 325 343) no Hoare annotation was computed. [2019-09-20 13:06:59,496 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 297) no Hoare annotation was computed. [2019-09-20 13:06:59,496 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 297) no Hoare annotation was computed. [2019-09-20 13:06:59,496 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 285) no Hoare annotation was computed. [2019-09-20 13:06:59,496 INFO L443 ceAbstractionStarter]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2019-09-20 13:06:59,496 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 270 305) no Hoare annotation was computed. [2019-09-20 13:06:59,496 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-09-20 13:06:59,496 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-09-20 13:06:59,496 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 270 305) no Hoare annotation was computed. [2019-09-20 13:06:59,497 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 270 305) no Hoare annotation was computed. [2019-09-20 13:06:59,497 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 402 408) no Hoare annotation was computed. [2019-09-20 13:06:59,497 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 402 408) the Hoare annotation is: true [2019-09-20 13:06:59,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 537 582) no Hoare annotation was computed. [2019-09-20 13:06:59,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 537 582) no Hoare annotation was computed. [2019-09-20 13:06:59,497 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 537 582) no Hoare annotation was computed. [2019-09-20 13:06:59,497 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 884) no Hoare annotation was computed. [2019-09-20 13:06:59,497 INFO L443 ceAbstractionStarter]: For program point L864-1(lines 864 884) no Hoare annotation was computed. [2019-09-20 13:06:59,498 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 850 895) no Hoare annotation was computed. [2019-09-20 13:06:59,498 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 850 895) no Hoare annotation was computed. [2019-09-20 13:06:59,498 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 877) no Hoare annotation was computed. [2019-09-20 13:06:59,498 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 850 895) no Hoare annotation was computed. [2019-09-20 13:06:59,498 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:59,498 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2019-09-20 13:06:59,498 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2019-09-20 13:06:59,498 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2019-09-20 13:06:59,499 INFO L446 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2019-09-20 13:06:59,499 INFO L443 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2019-09-20 13:06:59,499 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2019-09-20 13:06:59,499 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2019-09-20 13:06:59,499 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 242 249) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-09-20 13:06:59,499 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2019-09-20 13:06:59,499 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 242 249) no Hoare annotation was computed. [2019-09-20 13:06:59,500 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 976 989) no Hoare annotation was computed. [2019-09-20 13:06:59,500 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 986) no Hoare annotation was computed. [2019-09-20 13:06:59,500 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 976 989) the Hoare annotation is: true [2019-09-20 13:06:59,500 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 976 989) no Hoare annotation was computed. [2019-09-20 13:06:59,500 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:59,500 INFO L439 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:59,500 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2019-09-20 13:06:59,501 INFO L439 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:59,501 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 209 233) no Hoare annotation was computed. [2019-09-20 13:06:59,501 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-09-20 13:06:59,501 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2019-09-20 13:06:59,501 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 209 233) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-20 13:06:59,501 INFO L439 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0))))) [2019-09-20 13:06:59,501 INFO L443 ceAbstractionStarter]: For program point L228-1(lines 209 233) no Hoare annotation was computed. [2019-09-20 13:06:59,502 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2019-09-20 13:06:59,502 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2019-09-20 13:06:59,502 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:59,502 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 (not (= 0 ~systemActive~0)))) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:59,502 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-09-20 13:06:59,502 INFO L439 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:59,503 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-09-20 13:06:59,503 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-09-20 13:06:59,503 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-09-20 13:06:59,503 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:06:59,503 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-09-20 13:06:59,503 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-09-20 13:06:59,504 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) 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)) (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-20 13:06:59,504 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (and (= 1 ~waterLevel~0) .cse1 .cse2))) [2019-09-20 13:06:59,504 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-09-20 13:06:59,504 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-09-20 13:06:59,504 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-09-20 13:06:59,504 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:06:59,504 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-09-20 13:06:59,504 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 804 849) no Hoare annotation was computed. [2019-09-20 13:06:59,505 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 831) no Hoare annotation was computed. [2019-09-20 13:06:59,505 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 804 849) no Hoare annotation was computed. [2019-09-20 13:06:59,505 INFO L443 ceAbstractionStarter]: For program point L818(lines 818 838) no Hoare annotation was computed. [2019-09-20 13:06:59,505 INFO L443 ceAbstractionStarter]: For program point L818-1(lines 818 838) no Hoare annotation was computed. [2019-09-20 13:06:59,505 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 804 849) no Hoare annotation was computed. [2019-09-20 13:06:59,505 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 990 998) no Hoare annotation was computed. [2019-09-20 13:06:59,505 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 990 998) the Hoare annotation is: true [2019-09-20 13:06:59,505 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 990 998) no Hoare annotation was computed. [2019-09-20 13:06:59,505 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 944 966) no Hoare annotation was computed. [2019-09-20 13:06:59,506 INFO L443 ceAbstractionStarter]: For program point L952(lines 952 960) no Hoare annotation was computed. [2019-09-20 13:06:59,506 INFO L443 ceAbstractionStarter]: For program point L952-2(lines 952 960) no Hoare annotation was computed. [2019-09-20 13:06:59,506 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 944 966) no Hoare annotation was computed. [2019-09-20 13:06:59,506 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 944 966) no Hoare annotation was computed. [2019-09-20 13:06:59,506 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 392 401) no Hoare annotation was computed. [2019-09-20 13:06:59,506 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 392 401) no Hoare annotation was computed. [2019-09-20 13:06:59,506 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 392 401) no Hoare annotation was computed. [2019-09-20 13:06:59,506 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 701 803) no Hoare annotation was computed. [2019-09-20 13:06:59,506 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-09-20 13:06:59,507 INFO L443 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2019-09-20 13:06:59,507 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2019-09-20 13:06:59,507 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 800) no Hoare annotation was computed. [2019-09-20 13:06:59,507 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 756) no Hoare annotation was computed. [2019-09-20 13:06:59,507 INFO L443 ceAbstractionStarter]: For program point L750-2(lines 750 770) no Hoare annotation was computed. [2019-09-20 13:06:59,507 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 701 803) no Hoare annotation was computed. [2019-09-20 13:06:59,507 INFO L443 ceAbstractionStarter]: For program point L771(lines 749 772) no Hoare annotation was computed. [2019-09-20 13:06:59,507 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 746) no Hoare annotation was computed. [2019-09-20 13:06:59,508 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 797) no Hoare annotation was computed. [2019-09-20 13:06:59,508 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 701 803) no Hoare annotation was computed. [2019-09-20 13:06:59,508 INFO L443 ceAbstractionStarter]: For program point L751(lines 750 770) no Hoare annotation was computed. [2019-09-20 13:06:59,508 INFO L443 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2019-09-20 13:06:59,508 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-09-20 13:06:59,508 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 788) no Hoare annotation was computed. [2019-09-20 13:06:59,508 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:59,508 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 13:06:59,509 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:59,509 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2019-09-20 13:06:59,509 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2019-09-20 13:06:59,509 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 234 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:06:59,509 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2019-09-20 13:06:59,509 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-09-20 13:06:59,509 INFO L446 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2019-09-20 13:06:59,509 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2019-09-20 13:06:59,510 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-09-20 13:06:59,510 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 306 324) the Hoare annotation is: true [2019-09-20 13:06:59,510 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 306 324) no Hoare annotation was computed. [2019-09-20 13:06:59,510 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 967 975) the Hoare annotation is: true [2019-09-20 13:06:59,510 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 967 975) no Hoare annotation was computed. [2019-09-20 13:06:59,510 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 967 975) no Hoare annotation was computed. [2019-09-20 13:06:59,510 INFO L443 ceAbstractionStarter]: For program point L927-1(lines 923 934) no Hoare annotation was computed. [2019-09-20 13:06:59,510 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 923 934) the Hoare annotation is: true [2019-09-20 13:06:59,510 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 923 934) no Hoare annotation was computed. [2019-09-20 13:06:59,511 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:59,511 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:06:59,511 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:59,511 INFO L443 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2019-09-20 13:06:59,511 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))))) [2019-09-20 13:06:59,511 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2019-09-20 13:06:59,512 INFO L439 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) (not (<= 1 |old(~waterLevel~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) (let ((.cse0 (+ ~waterLevel~0 1))) (and (<= .cse0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| .cse0))) (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)))) [2019-09-20 13:06:59,512 INFO L439 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse3 .cse5))) (and (or (or .cse0 .cse1) .cse2 (and (<= 1 ~pumpRunning~0) .cse3 (not (= 0 ~systemActive~0)))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) .cse1 (let ((.cse4 (+ ~waterLevel~0 1))) (and (<= .cse4 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse4) .cse5))) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1)))))) [2019-09-20 13:06:59,512 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2019-09-20 13:06:59,512 INFO L439 ceAbstractionStarter]: At program point L131(line 131) 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 .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2019-09-20 13:06:59,512 INFO L446 ceAbstractionStarter]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2019-09-20 13:06:59,512 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2019-09-20 13:06:59,512 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-09-20 13:06:59,513 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2019-09-20 13:06:59,513 INFO L446 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2019-09-20 13:06:59,513 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-09-20 13:06:59,513 INFO L443 ceAbstractionStarter]: For program point L442-1(line 442) no Hoare annotation was computed. [2019-09-20 13:06:59,513 INFO L446 ceAbstractionStarter]: At program point L461(lines 436 465) the Hoare annotation is: true [2019-09-20 13:06:59,513 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-09-20 13:06:59,513 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-09-20 13:06:59,513 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 935 943) the Hoare annotation is: true [2019-09-20 13:06:59,514 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 935 943) no Hoare annotation was computed. [2019-09-20 13:06:59,514 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 935 943) no Hoare annotation was computed. [2019-09-20 13:06:59,514 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 899 910) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= ~systemActive~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) [2019-09-20 13:06:59,514 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 899 910) no Hoare annotation was computed. [2019-09-20 13:06:59,514 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 899 910) no Hoare annotation was computed. [2019-09-20 13:06:59,514 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2019-09-20 13:06:59,514 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2019-09-20 13:06:59,514 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:06:59,515 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 13:06:59,515 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:06:59,515 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:06:59,515 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-09-20 13:06:59,515 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-09-20 13:06:59,515 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2019-09-20 13:06:59,515 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:06:59,515 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2019-09-20 13:06:59,516 INFO L439 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or .cse1 .cse2) (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-09-20 13:06:59,516 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:06:59,516 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-09-20 13:06:59,516 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-09-20 13:06:59,516 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-09-20 13:06:59,516 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 911 922) no Hoare annotation was computed. [2019-09-20 13:06:59,516 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 911 922) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-20 13:06:59,517 INFO L443 ceAbstractionStarter]: For program point L915-1(lines 911 922) no Hoare annotation was computed. [2019-09-20 13:06:59,517 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 426 433) no Hoare annotation was computed. [2019-09-20 13:06:59,517 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 426 433) the Hoare annotation is: true [2019-09-20 13:06:59,517 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2019-09-20 13:06:59,517 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 426 433) no Hoare annotation was computed. [2019-09-20 13:06:59,517 INFO L439 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~2))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:59,517 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-09-20 13:06:59,517 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 183 207) no Hoare annotation was computed. [2019-09-20 13:06:59,518 INFO L439 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:59,518 INFO L443 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2019-09-20 13:06:59,518 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-09-20 13:06:59,518 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 183 207) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-20 13:06:59,518 INFO L439 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0))))) [2019-09-20 13:06:59,518 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2019-09-20 13:06:59,518 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:06:59,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:06:59 BoogieIcfgContainer [2019-09-20 13:06:59,533 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:06:59,534 INFO L168 Benchmark]: Toolchain (without parser) took 24548.29 ms. Allocated memory was 131.6 MB in the beginning and 618.7 MB in the end (delta: 487.1 MB). Free memory was 84.9 MB in the beginning and 84.9 MB in the end (delta: -29.3 kB). Peak memory consumption was 500.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:59,535 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:06:59,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.56 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 84.4 MB in the beginning and 164.1 MB in the end (delta: -79.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:59,537 INFO L168 Benchmark]: Boogie Preprocessor took 128.13 ms. Allocated memory is still 199.2 MB. Free memory was 164.1 MB in the beginning and 160.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:59,538 INFO L168 Benchmark]: RCFGBuilder took 1174.29 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 160.4 MB in the beginning and 188.2 MB in the end (delta: -27.8 MB). Peak memory consumption was 92.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:59,539 INFO L168 Benchmark]: TraceAbstraction took 22532.06 ms. Allocated memory was 221.2 MB in the beginning and 618.7 MB in the end (delta: 397.4 MB). Free memory was 188.2 MB in the beginning and 84.9 MB in the end (delta: 103.3 MB). Peak memory consumption was 514.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:06:59,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 131.6 MB. Free memory is still 104.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.56 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 84.4 MB in the beginning and 164.1 MB in the end (delta: -79.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.13 ms. Allocated memory is still 199.2 MB. Free memory was 164.1 MB in the beginning and 160.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1174.29 ms. Allocated memory was 199.2 MB in the beginning and 221.2 MB in the end (delta: 22.0 MB). Free memory was 160.4 MB in the beginning and 188.2 MB in the end (delta: -27.8 MB). Peak memory consumption was 92.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22532.06 ms. Allocated memory was 221.2 MB in the beginning and 618.7 MB in the end (delta: 397.4 MB). Free memory was 188.2 MB in the beginning and 84.9 MB in the end (delta: 103.3 MB). Peak memory consumption was 514.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: 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: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && 0 == splverifierCounter) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 251 locations, 1 error locations. SAFE Result, 22.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 12.0s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2177 SDtfs, 3184 SDslu, 6580 SDs, 0 SdLazy, 8754 SolverSat, 2046 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1216 GetRequests, 1051 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2248occurred 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, 958 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 4415 PreInvPairs, 4524 NumberOfFragments, 1322 HoareAnnotationTreeSize, 4415 FomulaSimplifications, 33712 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14561 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2272 NumberOfCodeBlocks, 2272 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2255 ConstructedInterpolants, 0 QuantifiedInterpolants, 549563 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5540 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 714/808 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...