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-efa34d5 [2019-09-16 16:37:09,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:37:09,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:37:09,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:37:09,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:37:09,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:37:09,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:37:09,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:37:09,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:37:09,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:37:09,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:37:09,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:37:09,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:37:09,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:37:09,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:37:09,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:37:09,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:37:09,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:37:09,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:37:09,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:37:09,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:37:09,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:37:09,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:37:09,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:37:09,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:37:09,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:37:09,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:37:09,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:37:09,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:37:09,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:37:09,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:37:09,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:37:09,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:37:09,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:37:09,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:37:09,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:37:09,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:37:09,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:37:09,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:37:09,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:37:09,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:37:09,868 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 [2019-09-16 16:37:09,882 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:37:09,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:37:09,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:37:09,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:37:09,884 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:37:09,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:37:09,885 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:37:09,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:37:09,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:37:09,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:37:09,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:37:09,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:37:09,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:37:09,886 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:37:09,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:37:09,887 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:37:09,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:37:09,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:37:09,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:37:09,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:37:09,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:37:09,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:37:09,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:37:09,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:37:09,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:37:09,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:37:09,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:37:09,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:37:09,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:37:09,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:37:09,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:37:09,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:37:09,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:37:09,951 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:37:09,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product55.cil.c [2019-09-16 16:37:10,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab66827d4/87781793d54240f3ba79122dd36438ac/FLAG076b9f0a7 [2019-09-16 16:37:10,577 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:37:10,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product55.cil.c [2019-09-16 16:37:10,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab66827d4/87781793d54240f3ba79122dd36438ac/FLAG076b9f0a7 [2019-09-16 16:37:10,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab66827d4/87781793d54240f3ba79122dd36438ac [2019-09-16 16:37:10,890 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:37:10,892 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:37:10,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:37:10,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:37:10,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:37:10,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:37:10" (1/1) ... [2019-09-16 16:37:10,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c2d1988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:10, skipping insertion in model container [2019-09-16 16:37:10,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:37:10" (1/1) ... [2019-09-16 16:37:10,907 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:37:10,960 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:37:11,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:37:11,369 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:37:11,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:37:11,519 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:37:11,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11 WrapperNode [2019-09-16 16:37:11,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:37:11,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:37:11,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:37:11,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:37:11,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:37:11,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:37:11,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:37:11,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:37:11,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (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 [2019-09-16 16:37:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:37:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:37:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:37:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:37:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:37:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:37:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:37:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 16:37:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:37:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:37:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:37:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:37:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:37:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:37:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:37:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:37:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 16:37:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 16:37:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:37:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:37:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:37:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:37:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:37:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:37:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:37:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:37:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:37:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:37:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:37:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:37:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:37:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:37:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:37:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:37:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:37:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:37:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:37:11,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:37:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:37:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:37:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:37:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:37:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:37:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:37:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:37:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:37:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:37:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 16:37:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:37:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:37:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:37:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:37:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:37:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:37:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:37:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:37:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:37:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:37:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:37:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:37:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 16:37:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:37:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:37:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:37:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:37:11,675 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:37:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 16:37:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:37:11,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:37:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:37:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:37:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:37:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:37:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:37:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:37:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:37:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:37:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:37:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:37:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:37:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:37:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:37:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:37:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:37:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:37:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:37:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:37:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:37:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:37:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:37:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:37:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:37:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:37:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:37:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:37:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:37:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:37:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:37:12,828 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:37:12,829 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:37:12,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:37:12 BoogieIcfgContainer [2019-09-16 16:37:12,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:37:12,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:37:12,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:37:12,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:37:12,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:37:10" (1/3) ... [2019-09-16 16:37:12,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4366e894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:37:12, skipping insertion in model container [2019-09-16 16:37:12,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (2/3) ... [2019-09-16 16:37:12,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4366e894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:37:12, skipping insertion in model container [2019-09-16 16:37:12,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:37:12" (3/3) ... [2019-09-16 16:37:12,839 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product55.cil.c [2019-09-16 16:37:12,849 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:37:12,858 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:37:12,877 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:37:12,919 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:37:12,920 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:37:12,921 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:37:12,921 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:37:12,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:37:12,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:37:12,922 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:37:12,922 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:37:12,922 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:37:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2019-09-16 16:37:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 16:37:12,975 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:12,976 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] [2019-09-16 16:37:12,980 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:12,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:12,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1116469353, now seen corresponding path program 1 times [2019-09-16 16:37:12,989 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:12,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:13,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:13,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:13,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:13,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:37:13,374 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:37:13,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:37:13,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:37:13,394 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2019-09-16 16:37:13,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:13,450 INFO L93 Difference]: Finished difference Result 304 states and 377 transitions. [2019-09-16 16:37:13,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:37:13,451 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 16:37:13,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:13,477 INFO L225 Difference]: With dead ends: 304 [2019-09-16 16:37:13,477 INFO L226 Difference]: Without dead ends: 152 [2019-09-16 16:37:13,490 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 [2019-09-16 16:37:13,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-09-16 16:37:13,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2019-09-16 16:37:13,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-09-16 16:37:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 180 transitions. [2019-09-16 16:37:13,598 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 180 transitions. Word has length 46 [2019-09-16 16:37:13,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:13,599 INFO L475 AbstractCegarLoop]: Abstraction has 152 states and 180 transitions. [2019-09-16 16:37:13,599 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:37:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 180 transitions. [2019-09-16 16:37:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 16:37:13,606 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:13,607 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] [2019-09-16 16:37:13,607 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:13,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1310027705, now seen corresponding path program 1 times [2019-09-16 16:37:13,609 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:13,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:13,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:13,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:13,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:13,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:37:13,756 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:37:13,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:37:13,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:37:13,757 INFO L87 Difference]: Start difference. First operand 152 states and 180 transitions. Second operand 3 states. [2019-09-16 16:37:13,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:13,806 INFO L93 Difference]: Finished difference Result 247 states and 291 transitions. [2019-09-16 16:37:13,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:37:13,807 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 16:37:13,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:13,812 INFO L225 Difference]: With dead ends: 247 [2019-09-16 16:37:13,812 INFO L226 Difference]: Without dead ends: 143 [2019-09-16 16:37:13,817 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 [2019-09-16 16:37:13,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-09-16 16:37:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-09-16 16:37:13,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-09-16 16:37:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2019-09-16 16:37:13,837 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 47 [2019-09-16 16:37:13,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:13,838 INFO L475 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2019-09-16 16:37:13,838 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:37:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2019-09-16 16:37:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 16:37:13,840 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:13,841 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] [2019-09-16 16:37:13,841 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:13,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:13,841 INFO L82 PathProgramCache]: Analyzing trace with hash -2059448103, now seen corresponding path program 1 times [2019-09-16 16:37:13,841 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:13,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:13,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:13,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:14,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:14,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:14,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:37:14,033 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:37:14,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:37:14,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:37:14,034 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 7 states. [2019-09-16 16:37:14,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:14,684 INFO L93 Difference]: Finished difference Result 431 states and 522 transitions. [2019-09-16 16:37:14,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:37:14,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-16 16:37:14,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:14,688 INFO L225 Difference]: With dead ends: 431 [2019-09-16 16:37:14,689 INFO L226 Difference]: Without dead ends: 312 [2019-09-16 16:37:14,690 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 [2019-09-16 16:37:14,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2019-09-16 16:37:14,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 304. [2019-09-16 16:37:14,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-09-16 16:37:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2019-09-16 16:37:14,728 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 51 [2019-09-16 16:37:14,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:14,728 INFO L475 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2019-09-16 16:37:14,728 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:37:14,728 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2019-09-16 16:37:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-16 16:37:14,731 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:14,731 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] [2019-09-16 16:37:14,731 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:14,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:14,732 INFO L82 PathProgramCache]: Analyzing trace with hash -535477179, now seen corresponding path program 1 times [2019-09-16 16:37:14,732 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:14,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:14,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:14,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:14,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:14,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:14,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:14,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 16:37:14,898 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 16:37:14,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 16:37:14,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:37:14,899 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand 10 states. [2019-09-16 16:37:15,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:15,706 INFO L93 Difference]: Finished difference Result 1096 states and 1428 transitions. [2019-09-16 16:37:15,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-16 16:37:15,707 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-16 16:37:15,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:15,719 INFO L225 Difference]: With dead ends: 1096 [2019-09-16 16:37:15,720 INFO L226 Difference]: Without dead ends: 816 [2019-09-16 16:37:15,723 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 [2019-09-16 16:37:15,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2019-09-16 16:37:15,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 804. [2019-09-16 16:37:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2019-09-16 16:37:15,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1012 transitions. [2019-09-16 16:37:15,792 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1012 transitions. Word has length 57 [2019-09-16 16:37:15,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:15,793 INFO L475 AbstractCegarLoop]: Abstraction has 804 states and 1012 transitions. [2019-09-16 16:37:15,793 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 16:37:15,793 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1012 transitions. [2019-09-16 16:37:15,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-16 16:37:15,798 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:15,798 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] [2019-09-16 16:37:15,798 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:15,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:15,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1450049621, now seen corresponding path program 1 times [2019-09-16 16:37:15,799 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:15,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:15,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:15,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:15,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:15,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:15,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:15,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:37:15,911 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:37:15,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:37:15,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:37:15,912 INFO L87 Difference]: Start difference. First operand 804 states and 1012 transitions. Second operand 4 states. [2019-09-16 16:37:16,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:16,295 INFO L93 Difference]: Finished difference Result 1972 states and 2707 transitions. [2019-09-16 16:37:16,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:37:16,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-16 16:37:16,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:16,304 INFO L225 Difference]: With dead ends: 1972 [2019-09-16 16:37:16,305 INFO L226 Difference]: Without dead ends: 1192 [2019-09-16 16:37:16,309 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 [2019-09-16 16:37:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2019-09-16 16:37:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1057. [2019-09-16 16:37:16,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2019-09-16 16:37:16,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1336 transitions. [2019-09-16 16:37:16,389 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1336 transitions. Word has length 61 [2019-09-16 16:37:16,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:16,390 INFO L475 AbstractCegarLoop]: Abstraction has 1057 states and 1336 transitions. [2019-09-16 16:37:16,390 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:37:16,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1336 transitions. [2019-09-16 16:37:16,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-16 16:37:16,393 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:16,393 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] [2019-09-16 16:37:16,393 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:16,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:16,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2144996460, now seen corresponding path program 1 times [2019-09-16 16:37:16,394 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:16,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:16,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:16,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:16,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-16 16:37:16,507 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:16,507 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 [2019-09-16 16:37:16,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:16,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-16 16:37:16,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:16,884 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): Stream closed [2019-09-16 16:37:16,898 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:37:16,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-16 16:37:16,899 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-16 16:37:16,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-16 16:37:16,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-16 16:37:16,900 INFO L87 Difference]: Start difference. First operand 1057 states and 1336 transitions. Second operand 12 states. [2019-09-16 16:37:20,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:20,600 INFO L93 Difference]: Finished difference Result 2480 states and 3389 transitions. [2019-09-16 16:37:20,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-16 16:37:20,601 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2019-09-16 16:37:20,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:20,612 INFO L225 Difference]: With dead ends: 2480 [2019-09-16 16:37:20,612 INFO L226 Difference]: Without dead ends: 1697 [2019-09-16 16:37:20,617 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 [2019-09-16 16:37:20,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2019-09-16 16:37:20,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1491. [2019-09-16 16:37:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2019-09-16 16:37:20,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1909 transitions. [2019-09-16 16:37:20,745 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1909 transitions. Word has length 88 [2019-09-16 16:37:20,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:20,747 INFO L475 AbstractCegarLoop]: Abstraction has 1491 states and 1909 transitions. [2019-09-16 16:37:20,748 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-16 16:37:20,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1909 transitions. [2019-09-16 16:37:20,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-09-16 16:37:20,756 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:20,757 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, 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] [2019-09-16 16:37:20,757 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:20,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:20,758 INFO L82 PathProgramCache]: Analyzing trace with hash -428888416, now seen corresponding path program 1 times [2019-09-16 16:37:20,758 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:20,758 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:20,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:20,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:20,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-16 16:37:20,870 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:20,870 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 [2019-09-16 16:37:20,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:21,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-16 16:37:21,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:21,135 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-16 16:37:21,147 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:37:21,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-09-16 16:37:21,148 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:37:21,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:37:21,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:37:21,149 INFO L87 Difference]: Start difference. First operand 1491 states and 1909 transitions. Second operand 9 states. [2019-09-16 16:37:22,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:22,116 INFO L93 Difference]: Finished difference Result 3057 states and 4043 transitions. [2019-09-16 16:37:22,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-16 16:37:22,116 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 144 [2019-09-16 16:37:22,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:22,126 INFO L225 Difference]: With dead ends: 3057 [2019-09-16 16:37:22,127 INFO L226 Difference]: Without dead ends: 1590 [2019-09-16 16:37:22,133 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:37:22,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2019-09-16 16:37:22,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1503. [2019-09-16 16:37:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1503 states. [2019-09-16 16:37:22,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 1787 transitions. [2019-09-16 16:37:22,223 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 1787 transitions. Word has length 144 [2019-09-16 16:37:22,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:22,223 INFO L475 AbstractCegarLoop]: Abstraction has 1503 states and 1787 transitions. [2019-09-16 16:37:22,223 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:37:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1787 transitions. [2019-09-16 16:37:22,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-16 16:37:22,228 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:22,228 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] [2019-09-16 16:37:22,229 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:22,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:22,229 INFO L82 PathProgramCache]: Analyzing trace with hash -2137668980, now seen corresponding path program 1 times [2019-09-16 16:37:22,229 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:22,229 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:22,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:22,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:22,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-16 16:37:22,339 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:22,339 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 [2019-09-16 16:37:22,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:22,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-16 16:37:22,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:22,635 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 [2019-09-16 16:37:22,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:22,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-16 16:37:22,656 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-16 16:37:22,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-16 16:37:22,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:22,660 INFO L87 Difference]: Start difference. First operand 1503 states and 1787 transitions. Second operand 11 states. [2019-09-16 16:37:22,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:22,779 INFO L93 Difference]: Finished difference Result 2813 states and 3418 transitions. [2019-09-16 16:37:22,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:37:22,779 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2019-09-16 16:37:22,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:22,792 INFO L225 Difference]: With dead ends: 2813 [2019-09-16 16:37:22,792 INFO L226 Difference]: Without dead ends: 1334 [2019-09-16 16:37:22,802 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 [2019-09-16 16:37:22,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2019-09-16 16:37:22,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1334. [2019-09-16 16:37:22,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2019-09-16 16:37:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1589 transitions. [2019-09-16 16:37:22,893 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1589 transitions. Word has length 153 [2019-09-16 16:37:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:22,894 INFO L475 AbstractCegarLoop]: Abstraction has 1334 states and 1589 transitions. [2019-09-16 16:37:22,894 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-16 16:37:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1589 transitions. [2019-09-16 16:37:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-16 16:37:22,900 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:22,900 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] [2019-09-16 16:37:22,900 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:22,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:22,901 INFO L82 PathProgramCache]: Analyzing trace with hash -560572109, now seen corresponding path program 1 times [2019-09-16 16:37:22,901 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:22,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:22,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:22,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:22,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-16 16:37:23,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:23,075 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 [2019-09-16 16:37:23,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:23,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-16 16:37:23,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:23,357 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:23,363 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:37:23,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-16 16:37:23,369 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-16 16:37:23,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-16 16:37:23,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:23,370 INFO L87 Difference]: Start difference. First operand 1334 states and 1589 transitions. Second operand 11 states. [2019-09-16 16:37:25,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:25,091 INFO L93 Difference]: Finished difference Result 2667 states and 3352 transitions. [2019-09-16 16:37:25,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-16 16:37:25,092 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 157 [2019-09-16 16:37:25,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:25,102 INFO L225 Difference]: With dead ends: 2667 [2019-09-16 16:37:25,103 INFO L226 Difference]: Without dead ends: 1522 [2019-09-16 16:37:25,106 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 [2019-09-16 16:37:25,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2019-09-16 16:37:25,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1220. [2019-09-16 16:37:25,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1220 states. [2019-09-16 16:37:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1443 transitions. [2019-09-16 16:37:25,187 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1443 transitions. Word has length 157 [2019-09-16 16:37:25,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:25,190 INFO L475 AbstractCegarLoop]: Abstraction has 1220 states and 1443 transitions. [2019-09-16 16:37:25,190 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-16 16:37:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1443 transitions. [2019-09-16 16:37:25,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-09-16 16:37:25,196 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:25,196 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] [2019-09-16 16:37:25,196 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:25,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:25,197 INFO L82 PathProgramCache]: Analyzing trace with hash -31633322, now seen corresponding path program 2 times [2019-09-16 16:37:25,197 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:25,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:25,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:25,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:25,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 47 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-16 16:37:25,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:25,490 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 [2019-09-16 16:37:25,561 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-16 16:37:25,725 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-16 16:37:25,725 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-16 16:37:25,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 1055 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-16 16:37:25,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:25,813 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-16 16:37:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-16 16:37:25,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:25,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-16 16:37:25,935 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:37:25,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:37:25,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:37:25,936 INFO L87 Difference]: Start difference. First operand 1220 states and 1443 transitions. Second operand 16 states. [2019-09-16 16:37:29,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:29,902 INFO L93 Difference]: Finished difference Result 3495 states and 4378 transitions. [2019-09-16 16:37:29,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-16 16:37:29,903 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 226 [2019-09-16 16:37:29,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:29,919 INFO L225 Difference]: With dead ends: 3495 [2019-09-16 16:37:29,919 INFO L226 Difference]: Without dead ends: 2456 [2019-09-16 16:37:29,923 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-16 16:37:29,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2019-09-16 16:37:30,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2248. [2019-09-16 16:37:30,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2248 states. [2019-09-16 16:37:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 2248 states and 2649 transitions. [2019-09-16 16:37:30,067 INFO L78 Accepts]: Start accepts. Automaton has 2248 states and 2649 transitions. Word has length 226 [2019-09-16 16:37:30,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:30,067 INFO L475 AbstractCegarLoop]: Abstraction has 2248 states and 2649 transitions. [2019-09-16 16:37:30,068 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:37:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 2649 transitions. [2019-09-16 16:37:30,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-09-16 16:37:30,075 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:30,075 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] [2019-09-16 16:37:30,075 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:30,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:30,076 INFO L82 PathProgramCache]: Analyzing trace with hash -2065027368, now seen corresponding path program 1 times [2019-09-16 16:37:30,076 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:30,076 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:30,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:30,078 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-16 16:37:30,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:30,200 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2019-09-16 16:37:30,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:30,201 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 [2019-09-16 16:37:30,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:30,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 1056 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-16 16:37:30,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-16 16:37:30,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:30,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-16 16:37:30,638 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-16 16:37:30,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-16 16:37:30,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:37:30,639 INFO L87 Difference]: Start difference. First operand 2248 states and 2649 transitions. Second operand 13 states. [2019-09-16 16:37:30,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:30,756 INFO L93 Difference]: Finished difference Result 2871 states and 3367 transitions. [2019-09-16 16:37:30,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:37:30,756 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2019-09-16 16:37:30,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:30,761 INFO L225 Difference]: With dead ends: 2871 [2019-09-16 16:37:30,761 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:37:30,770 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:37:30,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:37:30,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:37:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:37:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:37:30,771 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2019-09-16 16:37:30,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:30,772 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:37:30,772 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-16 16:37:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:37:30,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:37:30,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:37:31,163 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 65 [2019-09-16 16:37:31,376 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 73 [2019-09-16 16:37:32,260 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-16 16:37:32,597 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-16 16:37:33,133 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-09-16 16:37:33,394 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2019-09-16 16:37:33,506 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2019-09-16 16:37:33,660 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 19 [2019-09-16 16:37:34,026 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 33 [2019-09-16 16:37:34,219 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 22 [2019-09-16 16:37:34,339 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 20 [2019-09-16 16:37:34,954 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 24 [2019-09-16 16:37:35,194 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 24 [2019-09-16 16:37:35,470 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2019-09-16 16:37:35,625 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-09-16 16:37:35,828 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2019-09-16 16:37:36,034 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2019-09-16 16:37:36,194 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point L609(line 609) no Hoare annotation was computed. [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point L608-2(lines 608 629) no Hoare annotation was computed. [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point L630(lines 607 631) no Hoare annotation was computed. [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 583 638) no Hoare annotation was computed. [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 583 638) no Hoare annotation was computed. [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 583 638) no Hoare annotation was computed. [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2019-09-16 16:37:36,315 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 671 675) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point L665-2(lines 665 690) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 639 698) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point L691(lines 664 692) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 639 698) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point L684-1(line 684) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 639 698) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 409 415) the Hoare annotation is: true [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 409 415) no Hoare annotation was computed. [2019-09-16 16:37:36,316 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 416 424) no Hoare annotation was computed. [2019-09-16 16:37:36,317 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 416 424) the Hoare annotation is: true [2019-09-16 16:37:36,317 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 416 424) no Hoare annotation was computed. [2019-09-16 16:37:36,317 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 362 386) the Hoare annotation is: true [2019-09-16 16:37:36,317 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))) [2019-09-16 16:37:36,317 INFO L443 ceAbstractionStarter]: For program point L374(lines 374 380) no Hoare annotation was computed. [2019-09-16 16:37:36,317 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))) [2019-09-16 16:37:36,317 INFO L443 ceAbstractionStarter]: For program point L372-1(line 372) no Hoare annotation was computed. [2019-09-16 16:37:36,317 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 362 386) no Hoare annotation was computed. [2019-09-16 16:37:36,317 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 383) no Hoare annotation was computed. [2019-09-16 16:37:36,317 INFO L443 ceAbstractionStarter]: For program point L370-1(lines 362 386) no Hoare annotation was computed. [2019-09-16 16:37:36,317 INFO L446 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2019-09-16 16:37:36,318 INFO L443 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2019-09-16 16:37:36,318 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))) [2019-09-16 16:37:36,318 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))) [2019-09-16 16:37:36,318 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))) [2019-09-16 16:37:36,318 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2019-09-16 16:37:36,318 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2019-09-16 16:37:36,318 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))) [2019-09-16 16:37:36,318 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))) [2019-09-16 16:37:36,318 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 524) no Hoare annotation was computed. [2019-09-16 16:37:36,319 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2019-09-16 16:37:36,319 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-09-16 16:37:36,319 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))) [2019-09-16 16:37:36,319 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-09-16 16:37:36,319 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-09-16 16:37:36,319 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 466 489) no Hoare annotation was computed. [2019-09-16 16:37:36,319 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-16 16:37:36,319 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-09-16 16:37:36,319 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-09-16 16:37:36,320 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 466 489) no Hoare annotation was computed. [2019-09-16 16:37:36,320 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-16 16:37:36,320 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 466 489) no Hoare annotation was computed. [2019-09-16 16:37:36,320 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-09-16 16:37:36,320 INFO L443 ceAbstractionStarter]: For program point L474(line 474) no Hoare annotation was computed. [2019-09-16 16:37:36,320 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-09-16 16:37:36,320 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-09-16 16:37:36,320 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-09-16 16:37:36,321 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-09-16 16:37:36,321 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-09-16 16:37:36,321 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-16 16:37:36,321 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 344 358) no Hoare annotation was computed. [2019-09-16 16:37:36,321 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))))) [2019-09-16 16:37:36,321 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-09-16 16:37:36,321 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))))) [2019-09-16 16:37:36,322 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 344 358) no Hoare annotation was computed. [2019-09-16 16:37:36,322 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 261 269) no Hoare annotation was computed. [2019-09-16 16:37:36,322 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 261 269) the Hoare annotation is: true [2019-09-16 16:37:36,322 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 261 269) no Hoare annotation was computed. [2019-09-16 16:37:36,322 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 338) no Hoare annotation was computed. [2019-09-16 16:37:36,322 INFO L446 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: true [2019-09-16 16:37:36,322 INFO L443 ceAbstractionStarter]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2019-09-16 16:37:36,322 INFO L443 ceAbstractionStarter]: For program point L332-1(line 332) no Hoare annotation was computed. [2019-09-16 16:37:36,323 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 325 343) the Hoare annotation is: true [2019-09-16 16:37:36,323 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 325 343) no Hoare annotation was computed. [2019-09-16 16:37:36,323 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 325 343) no Hoare annotation was computed. [2019-09-16 16:37:36,323 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 297) no Hoare annotation was computed. [2019-09-16 16:37:36,323 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 297) no Hoare annotation was computed. [2019-09-16 16:37:36,323 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 285) no Hoare annotation was computed. [2019-09-16 16:37:36,323 INFO L443 ceAbstractionStarter]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2019-09-16 16:37:36,323 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 270 305) no Hoare annotation was computed. [2019-09-16 16:37:36,324 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-09-16 16:37:36,324 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-09-16 16:37:36,324 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 270 305) no Hoare annotation was computed. [2019-09-16 16:37:36,324 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 270 305) no Hoare annotation was computed. [2019-09-16 16:37:36,324 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 402 408) no Hoare annotation was computed. [2019-09-16 16:37:36,324 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 402 408) the Hoare annotation is: true [2019-09-16 16:37:36,324 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 537 582) no Hoare annotation was computed. [2019-09-16 16:37:36,324 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 537 582) no Hoare annotation was computed. [2019-09-16 16:37:36,325 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 537 582) no Hoare annotation was computed. [2019-09-16 16:37:36,325 INFO L443 ceAbstractionStarter]: For program point L864(lines 864 884) no Hoare annotation was computed. [2019-09-16 16:37:36,325 INFO L443 ceAbstractionStarter]: For program point L864-1(lines 864 884) no Hoare annotation was computed. [2019-09-16 16:37:36,325 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 850 895) no Hoare annotation was computed. [2019-09-16 16:37:36,325 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 850 895) no Hoare annotation was computed. [2019-09-16 16:37:36,325 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 877) no Hoare annotation was computed. [2019-09-16 16:37:36,325 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 850 895) no Hoare annotation was computed. [2019-09-16 16:37:36,325 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))) [2019-09-16 16:37:36,325 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2019-09-16 16:37:36,326 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2019-09-16 16:37:36,326 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 250 260) the Hoare annotation is: true [2019-09-16 16:37:36,326 INFO L446 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: true [2019-09-16 16:37:36,326 INFO L443 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2019-09-16 16:37:36,326 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 250 260) no Hoare annotation was computed. [2019-09-16 16:37:36,326 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 250 260) no Hoare annotation was computed. [2019-09-16 16:37:36,326 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)|)) [2019-09-16 16:37:36,326 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 242 249) no Hoare annotation was computed. [2019-09-16 16:37:36,327 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 242 249) no Hoare annotation was computed. [2019-09-16 16:37:36,327 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 976 989) no Hoare annotation was computed. [2019-09-16 16:37:36,327 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 986) no Hoare annotation was computed. [2019-09-16 16:37:36,327 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 976 989) the Hoare annotation is: true [2019-09-16 16:37:36,327 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 976 989) no Hoare annotation was computed. [2019-09-16 16:37:36,327 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))) [2019-09-16 16:37:36,327 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))) [2019-09-16 16:37:36,327 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 225) no Hoare annotation was computed. [2019-09-16 16:37:36,328 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))) [2019-09-16 16:37:36,328 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 209 233) no Hoare annotation was computed. [2019-09-16 16:37:36,328 INFO L443 ceAbstractionStarter]: For program point L215-1(line 215) no Hoare annotation was computed. [2019-09-16 16:37:36,328 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 230) no Hoare annotation was computed. [2019-09-16 16:37:36,328 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)|)))) [2019-09-16 16:37:36,328 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))))) [2019-09-16 16:37:36,328 INFO L443 ceAbstractionStarter]: For program point L228-1(lines 209 233) no Hoare annotation was computed. [2019-09-16 16:37:36,329 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2019-09-16 16:37:36,329 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2019-09-16 16:37:36,329 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))) [2019-09-16 16:37:36,329 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)))) [2019-09-16 16:37:36,329 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-09-16 16:37:36,329 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)))) [2019-09-16 16:37:36,329 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-09-16 16:37:36,330 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-09-16 16:37:36,330 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-09-16 16:37:36,330 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)))) [2019-09-16 16:37:36,330 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-09-16 16:37:36,330 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-09-16 16:37:36,330 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))))) [2019-09-16 16:37:36,331 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))) [2019-09-16 16:37:36,331 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-09-16 16:37:36,331 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-09-16 16:37:36,331 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-09-16 16:37:36,331 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))) [2019-09-16 16:37:36,331 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-09-16 16:37:36,331 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 804 849) no Hoare annotation was computed. [2019-09-16 16:37:36,331 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 831) no Hoare annotation was computed. [2019-09-16 16:37:36,332 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 804 849) no Hoare annotation was computed. [2019-09-16 16:37:36,332 INFO L443 ceAbstractionStarter]: For program point L818(lines 818 838) no Hoare annotation was computed. [2019-09-16 16:37:36,332 INFO L443 ceAbstractionStarter]: For program point L818-1(lines 818 838) no Hoare annotation was computed. [2019-09-16 16:37:36,332 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 804 849) no Hoare annotation was computed. [2019-09-16 16:37:36,332 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 990 998) no Hoare annotation was computed. [2019-09-16 16:37:36,332 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 990 998) the Hoare annotation is: true [2019-09-16 16:37:36,332 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 990 998) no Hoare annotation was computed. [2019-09-16 16:37:36,332 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 944 966) no Hoare annotation was computed. [2019-09-16 16:37:36,332 INFO L443 ceAbstractionStarter]: For program point L952(lines 952 960) no Hoare annotation was computed. [2019-09-16 16:37:36,333 INFO L443 ceAbstractionStarter]: For program point L952-2(lines 952 960) no Hoare annotation was computed. [2019-09-16 16:37:36,333 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 944 966) no Hoare annotation was computed. [2019-09-16 16:37:36,333 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 944 966) no Hoare annotation was computed. [2019-09-16 16:37:36,333 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 392 401) no Hoare annotation was computed. [2019-09-16 16:37:36,333 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 392 401) no Hoare annotation was computed. [2019-09-16 16:37:36,333 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 392 401) no Hoare annotation was computed. [2019-09-16 16:37:36,333 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 701 803) no Hoare annotation was computed. [2019-09-16 16:37:36,333 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-09-16 16:37:36,333 INFO L443 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2019-09-16 16:37:36,334 INFO L443 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2019-09-16 16:37:36,334 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 800) no Hoare annotation was computed. [2019-09-16 16:37:36,334 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 756) no Hoare annotation was computed. [2019-09-16 16:37:36,334 INFO L443 ceAbstractionStarter]: For program point L750-2(lines 750 770) no Hoare annotation was computed. [2019-09-16 16:37:36,334 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 701 803) no Hoare annotation was computed. [2019-09-16 16:37:36,334 INFO L443 ceAbstractionStarter]: For program point L771(lines 749 772) no Hoare annotation was computed. [2019-09-16 16:37:36,334 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 746) no Hoare annotation was computed. [2019-09-16 16:37:36,334 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 797) no Hoare annotation was computed. [2019-09-16 16:37:36,335 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 701 803) no Hoare annotation was computed. [2019-09-16 16:37:36,335 INFO L443 ceAbstractionStarter]: For program point L751(lines 750 770) no Hoare annotation was computed. [2019-09-16 16:37:36,335 INFO L443 ceAbstractionStarter]: For program point L782(line 782) no Hoare annotation was computed. [2019-09-16 16:37:36,335 INFO L443 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2019-09-16 16:37:36,335 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 788) no Hoare annotation was computed. [2019-09-16 16:37:36,335 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,335 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)) [2019-09-16 16:37:36,335 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,336 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 234 241) no Hoare annotation was computed. [2019-09-16 16:37:36,336 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 234 241) no Hoare annotation was computed. [2019-09-16 16:37:36,336 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)) [2019-09-16 16:37:36,336 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 306 324) no Hoare annotation was computed. [2019-09-16 16:37:36,336 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-09-16 16:37:36,336 INFO L446 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: true [2019-09-16 16:37:36,336 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 319) no Hoare annotation was computed. [2019-09-16 16:37:36,336 INFO L443 ceAbstractionStarter]: For program point L313-1(line 313) no Hoare annotation was computed. [2019-09-16 16:37:36,336 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 306 324) the Hoare annotation is: true [2019-09-16 16:37:36,337 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 306 324) no Hoare annotation was computed. [2019-09-16 16:37:36,337 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 967 975) the Hoare annotation is: true [2019-09-16 16:37:36,337 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 967 975) no Hoare annotation was computed. [2019-09-16 16:37:36,337 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 967 975) no Hoare annotation was computed. [2019-09-16 16:37:36,337 INFO L443 ceAbstractionStarter]: For program point L927-1(lines 923 934) no Hoare annotation was computed. [2019-09-16 16:37:36,337 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 923 934) the Hoare annotation is: true [2019-09-16 16:37:36,337 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 923 934) no Hoare annotation was computed. [2019-09-16 16:37:36,338 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,338 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,338 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,338 INFO L443 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2019-09-16 16:37:36,338 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)|))))) [2019-09-16 16:37:36,338 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2019-09-16 16:37:36,338 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)|)))) [2019-09-16 16:37:36,339 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)))))) [2019-09-16 16:37:36,339 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2019-09-16 16:37:36,339 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))) [2019-09-16 16:37:36,339 INFO L446 ceAbstractionStarter]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2019-09-16 16:37:36,339 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2019-09-16 16:37:36,339 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-09-16 16:37:36,339 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2019-09-16 16:37:36,340 INFO L446 ceAbstractionStarter]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2019-09-16 16:37:36,340 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-09-16 16:37:36,340 INFO L443 ceAbstractionStarter]: For program point L442-1(line 442) no Hoare annotation was computed. [2019-09-16 16:37:36,340 INFO L446 ceAbstractionStarter]: At program point L461(lines 436 465) the Hoare annotation is: true [2019-09-16 16:37:36,340 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-09-16 16:37:36,340 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 454) no Hoare annotation was computed. [2019-09-16 16:37:36,340 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 935 943) the Hoare annotation is: true [2019-09-16 16:37:36,340 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 935 943) no Hoare annotation was computed. [2019-09-16 16:37:36,341 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 935 943) no Hoare annotation was computed. [2019-09-16 16:37:36,341 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)|))) [2019-09-16 16:37:36,341 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 899 910) no Hoare annotation was computed. [2019-09-16 16:37:36,341 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 899 910) no Hoare annotation was computed. [2019-09-16 16:37:36,341 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2019-09-16 16:37:36,341 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2019-09-16 16:37:36,341 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,342 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-16 16:37:36,342 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:37:36,342 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,342 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-09-16 16:37:36,342 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))))) [2019-09-16 16:37:36,342 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2019-09-16 16:37:36,342 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))) [2019-09-16 16:37:36,342 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2019-09-16 16:37:36,343 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))))) [2019-09-16 16:37:36,343 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))) [2019-09-16 16:37:36,343 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-09-16 16:37:36,343 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))))) [2019-09-16 16:37:36,343 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-09-16 16:37:36,343 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 911 922) no Hoare annotation was computed. [2019-09-16 16:37:36,343 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)|))))) [2019-09-16 16:37:36,343 INFO L443 ceAbstractionStarter]: For program point L915-1(lines 911 922) no Hoare annotation was computed. [2019-09-16 16:37:36,344 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 426 433) no Hoare annotation was computed. [2019-09-16 16:37:36,344 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 426 433) the Hoare annotation is: true [2019-09-16 16:37:36,344 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2019-09-16 16:37:36,344 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 426 433) no Hoare annotation was computed. [2019-09-16 16:37:36,344 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))) [2019-09-16 16:37:36,344 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-09-16 16:37:36,344 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 183 207) no Hoare annotation was computed. [2019-09-16 16:37:36,344 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))) [2019-09-16 16:37:36,345 INFO L443 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2019-09-16 16:37:36,345 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-09-16 16:37:36,345 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)|)))) [2019-09-16 16:37:36,345 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))))) [2019-09-16 16:37:36,345 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2019-09-16 16:37:36,345 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))) [2019-09-16 16:37:36,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:37:36 BoogieIcfgContainer [2019-09-16 16:37:36,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:37:36,361 INFO L168 Benchmark]: Toolchain (without parser) took 25469.36 ms. Allocated memory was 132.6 MB in the beginning and 629.1 MB in the end (delta: 496.5 MB). Free memory was 86.2 MB in the beginning and 191.4 MB in the end (delta: -105.2 MB). Peak memory consumption was 510.1 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,362 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 132.6 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 16:37:36,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.64 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 86.2 MB in the beginning and 162.4 MB in the end (delta: -76.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,363 INFO L168 Benchmark]: Boogie Preprocessor took 82.58 ms. Allocated memory is still 198.7 MB. Free memory was 162.4 MB in the beginning and 157.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,364 INFO L168 Benchmark]: RCFGBuilder took 1226.96 ms. Allocated memory was 198.7 MB in the beginning and 222.3 MB in the end (delta: 23.6 MB). Free memory was 157.8 MB in the beginning and 187.4 MB in the end (delta: -29.5 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,365 INFO L168 Benchmark]: TraceAbstraction took 23527.45 ms. Allocated memory was 222.3 MB in the beginning and 629.1 MB in the end (delta: 406.8 MB). Free memory was 187.4 MB in the beginning and 191.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 521.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 132.6 MB. Free memory is still 105.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 627.64 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 86.2 MB in the beginning and 162.4 MB in the end (delta: -76.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.58 ms. Allocated memory is still 198.7 MB. Free memory was 162.4 MB in the beginning and 157.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1226.96 ms. Allocated memory was 198.7 MB in the beginning and 222.3 MB in the end (delta: 23.6 MB). Free memory was 157.8 MB in the beginning and 187.4 MB in the end (delta: -29.5 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23527.45 ms. Allocated memory was 222.3 MB in the beginning and 629.1 MB in the end (delta: 406.8 MB). Free memory was 187.4 MB in the beginning and 191.4 MB in the end (delta: -4.0 MB). Peak memory consumption was 521.6 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, 23.4s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 12.7s AutomataDifference, 0.0s DeadEndRemovalTime, 5.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2175 SDtfs, 3037 SDslu, 6572 SDs, 0 SdLazy, 8783 SolverSat, 1931 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1205 GetRequests, 1040 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 2.0s 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, 1.3s HoareSimplificationTime, 69 FomulaSimplificationsInter, 14561 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2250 NumberOfCodeBlocks, 2250 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2233 ConstructedInterpolants, 0 QuantifiedInterpolants, 539553 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5512 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 716/810 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...