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_spec2_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:35:20,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:35:20,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:35:20,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:35:20,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:35:20,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:35:20,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:35:20,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:35:20,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:35:20,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:35:20,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:35:20,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:35:20,868 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:35:20,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:35:20,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:35:20,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:35:20,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:35:20,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:35:20,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:35:20,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:35:20,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:35:20,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:35:20,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:35:20,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:35:20,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:35:20,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:35:20,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:35:20,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:35:20,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:35:20,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:35:20,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:35:20,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:35:20,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:35:20,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:35:20,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:35:20,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:35:20,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:35:20,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:35:20,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:35:20,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:35:20,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:35:20,914 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 16:35:20,936 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:35:20,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:35:20,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:35:20,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:35:20,939 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:35:20,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:35:20,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:35:20,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:35:20,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:35:20,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:35:20,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:35:20,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:35:20,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:35:20,942 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:35:20,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:35:20,943 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:35:20,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:35:20,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:35:20,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:35:20,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:35:20,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:35:20,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:35:20,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:35:20,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:35:20,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:35:20,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:35:20,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:35:20,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:35:20,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:35:20,990 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:35:21,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:35:21,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:35:21,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:35:21,013 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:35:21,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2019-09-16 16:35:21,096 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a549ae7da/7d00378c35b449728ce8f31af30ec90f/FLAG55be05ad1 [2019-09-16 16:35:21,606 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:35:21,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product53.cil.c [2019-09-16 16:35:21,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a549ae7da/7d00378c35b449728ce8f31af30ec90f/FLAG55be05ad1 [2019-09-16 16:35:21,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a549ae7da/7d00378c35b449728ce8f31af30ec90f [2019-09-16 16:35:21,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:35:21,961 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:35:21,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:35:21,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:35:21,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:35:21,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:35:21" (1/1) ... [2019-09-16 16:35:21,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dc2765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:21, skipping insertion in model container [2019-09-16 16:35:21,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:35:21" (1/1) ... [2019-09-16 16:35:21,978 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:35:22,025 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:35:22,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:35:22,519 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:35:22,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:35:22,647 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:35:22,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22 WrapperNode [2019-09-16 16:35:22,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:35:22,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:35:22,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:35:22,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:35:22,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22" (1/1) ... [2019-09-16 16:35:22,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22" (1/1) ... [2019-09-16 16:35:22,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22" (1/1) ... [2019-09-16 16:35:22,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22" (1/1) ... [2019-09-16 16:35:22,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22" (1/1) ... [2019-09-16 16:35:22,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22" (1/1) ... [2019-09-16 16:35:22,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22" (1/1) ... [2019-09-16 16:35:22,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:35:22,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:35:22,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:35:22,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:35:22,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22" (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 16:35:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:35:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:35:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:35:22,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:35:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:35:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:35:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:35:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:35:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:35:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:35:22,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:35:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:35:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:35:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:35:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 16:35:22,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:35:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:35:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:35:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:35:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:35:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:35:22,829 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:35:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:35:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 16:35:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 16:35:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:35:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:35:22,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:35:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:35:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:35:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:35:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:35:22,831 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:35:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:35:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:35:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:35:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:35:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:35:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:35:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:35:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:35:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:35:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:35:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:35:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:35:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:35:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:35:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:35:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:35:22,834 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:35:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:35:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:35:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:35:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:35:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:35:22,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:35:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:35:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:35:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:35:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:35:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:35:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:35:22,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:35:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:35:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:35:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:35:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:35:22,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:35:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:35:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:35:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:35:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:35:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:35:22,838 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:35:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:35:22,839 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:35:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:35:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 16:35:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:35:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:35:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:35:22,840 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:35:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:35:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 16:35:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:35:22,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 16:35:22,842 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:35:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:35:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:35:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:35:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:35:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:35:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:35:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:35:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:35:22,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:35:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:35:22,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:35:23,993 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:35:23,994 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:35:23,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:35:23 BoogieIcfgContainer [2019-09-16 16:35:23,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:35:23,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:35:23,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:35:24,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:35:24,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:35:21" (1/3) ... [2019-09-16 16:35:24,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23be1e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:35:24, skipping insertion in model container [2019-09-16 16:35:24,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:22" (2/3) ... [2019-09-16 16:35:24,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23be1e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:35:24, skipping insertion in model container [2019-09-16 16:35:24,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:35:23" (3/3) ... [2019-09-16 16:35:24,006 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c [2019-09-16 16:35:24,016 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:35:24,027 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:35:24,046 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:35:24,079 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:35:24,080 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:35:24,080 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:35:24,080 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:35:24,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:35:24,081 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:35:24,082 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:35:24,082 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:35:24,082 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:35:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2019-09-16 16:35:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 16:35:24,127 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:24,128 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 16:35:24,130 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:24,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:24,135 INFO L82 PathProgramCache]: Analyzing trace with hash 805370938, now seen corresponding path program 1 times [2019-09-16 16:35:24,137 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:24,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:24,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:24,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:24,493 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 16:35:24,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:24,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:35:24,500 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:35:24,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:35:24,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:35:24,516 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2019-09-16 16:35:24,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:24,558 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2019-09-16 16:35:24,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:35:24,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-16 16:35:24,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:24,573 INFO L225 Difference]: With dead ends: 292 [2019-09-16 16:35:24,573 INFO L226 Difference]: Without dead ends: 148 [2019-09-16 16:35:24,579 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 16:35:24,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-09-16 16:35:24,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-09-16 16:35:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-09-16 16:35:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2019-09-16 16:35:24,639 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2019-09-16 16:35:24,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:24,640 INFO L475 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2019-09-16 16:35:24,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:35:24,641 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2019-09-16 16:35:24,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 16:35:24,645 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:24,645 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] [2019-09-16 16:35:24,646 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:24,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:24,646 INFO L82 PathProgramCache]: Analyzing trace with hash -239223915, now seen corresponding path program 1 times [2019-09-16 16:35:24,646 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:24,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:24,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:24,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:24,771 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 16:35:24,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:24,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:35:24,774 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:35:24,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:35:24,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:24,775 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2019-09-16 16:35:24,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:24,822 INFO L93 Difference]: Finished difference Result 241 states and 287 transitions. [2019-09-16 16:35:24,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:35:24,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-16 16:35:24,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:24,827 INFO L225 Difference]: With dead ends: 241 [2019-09-16 16:35:24,828 INFO L226 Difference]: Without dead ends: 139 [2019-09-16 16:35:24,830 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 16:35:24,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-09-16 16:35:24,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-09-16 16:35:24,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-09-16 16:35:24,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2019-09-16 16:35:24,846 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 52 [2019-09-16 16:35:24,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:24,846 INFO L475 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2019-09-16 16:35:24,847 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:35:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2019-09-16 16:35:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-16 16:35:24,849 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:24,849 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] [2019-09-16 16:35:24,850 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:24,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:24,850 INFO L82 PathProgramCache]: Analyzing trace with hash -2031785454, now seen corresponding path program 1 times [2019-09-16 16:35:24,850 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:24,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:24,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:24,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:25,027 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 16:35:25,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:25,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:35:25,029 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:25,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:25,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:25,030 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 7 states. [2019-09-16 16:35:25,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:25,406 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2019-09-16 16:35:25,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:35:25,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-09-16 16:35:25,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:25,410 INFO L225 Difference]: With dead ends: 250 [2019-09-16 16:35:25,410 INFO L226 Difference]: Without dead ends: 139 [2019-09-16 16:35:25,411 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 16:35:25,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-09-16 16:35:25,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-09-16 16:35:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-09-16 16:35:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2019-09-16 16:35:25,427 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 56 [2019-09-16 16:35:25,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:25,428 INFO L475 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2019-09-16 16:35:25,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:25,428 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2019-09-16 16:35:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-16 16:35:25,433 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:25,433 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:25,433 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:25,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:25,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1519881096, now seen corresponding path program 1 times [2019-09-16 16:35:25,437 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:25,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:25,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:25,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:25,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:25,627 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 16:35:25,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:25,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:35:25,628 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:35:25,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:35:25,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:35:25,628 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 5 states. [2019-09-16 16:35:26,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:26,124 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2019-09-16 16:35:26,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:35:26,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2019-09-16 16:35:26,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:26,133 INFO L225 Difference]: With dead ends: 354 [2019-09-16 16:35:26,134 INFO L226 Difference]: Without dead ends: 243 [2019-09-16 16:35:26,137 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2019-09-16 16:35:26,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 225. [2019-09-16 16:35:26,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-09-16 16:35:26,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 258 transitions. [2019-09-16 16:35:26,189 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 258 transitions. Word has length 74 [2019-09-16 16:35:26,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:26,191 INFO L475 AbstractCegarLoop]: Abstraction has 225 states and 258 transitions. [2019-09-16 16:35:26,191 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:35:26,191 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2019-09-16 16:35:26,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-16 16:35:26,198 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:26,199 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, 1, 1, 1, 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 16:35:26,199 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:26,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:26,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1815815577, now seen corresponding path program 1 times [2019-09-16 16:35:26,200 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:26,200 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:26,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:26,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:26,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:26,358 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 16:35:26,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:26,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:35:26,360 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:35:26,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:35:26,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:35:26,360 INFO L87 Difference]: Start difference. First operand 225 states and 258 transitions. Second operand 6 states. [2019-09-16 16:35:26,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:26,594 INFO L93 Difference]: Finished difference Result 601 states and 710 transitions. [2019-09-16 16:35:26,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:26,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-09-16 16:35:26,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:26,605 INFO L225 Difference]: With dead ends: 601 [2019-09-16 16:35:26,605 INFO L226 Difference]: Without dead ends: 404 [2019-09-16 16:35:26,608 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:35:26,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2019-09-16 16:35:26,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2019-09-16 16:35:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-09-16 16:35:26,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 456 transitions. [2019-09-16 16:35:26,672 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 456 transitions. Word has length 88 [2019-09-16 16:35:26,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:26,673 INFO L475 AbstractCegarLoop]: Abstraction has 398 states and 456 transitions. [2019-09-16 16:35:26,673 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:35:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 456 transitions. [2019-09-16 16:35:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-16 16:35:26,676 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:26,676 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, 1, 1, 1, 1, 1, 1, 1, 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 16:35:26,676 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:26,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:26,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1743532533, now seen corresponding path program 1 times [2019-09-16 16:35:26,677 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:26,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:26,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:26,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:26,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:26,847 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 16:35:26,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:26,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:35:26,849 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:26,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:26,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:26,850 INFO L87 Difference]: Start difference. First operand 398 states and 456 transitions. Second operand 7 states. [2019-09-16 16:35:27,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:27,445 INFO L93 Difference]: Finished difference Result 797 states and 936 transitions. [2019-09-16 16:35:27,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 16:35:27,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-09-16 16:35:27,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:27,452 INFO L225 Difference]: With dead ends: 797 [2019-09-16 16:35:27,453 INFO L226 Difference]: Without dead ends: 427 [2019-09-16 16:35:27,454 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:35:27,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-09-16 16:35:27,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 397. [2019-09-16 16:35:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-09-16 16:35:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 453 transitions. [2019-09-16 16:35:27,481 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 453 transitions. Word has length 92 [2019-09-16 16:35:27,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:27,482 INFO L475 AbstractCegarLoop]: Abstraction has 397 states and 453 transitions. [2019-09-16 16:35:27,482 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 453 transitions. [2019-09-16 16:35:27,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-16 16:35:27,484 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:27,484 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:27,484 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:27,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:27,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1672267508, now seen corresponding path program 1 times [2019-09-16 16:35:27,485 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:27,485 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:27,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:27,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:27,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:27,557 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 16:35:27,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:27,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:35:27,558 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:35:27,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:35:27,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:35:27,558 INFO L87 Difference]: Start difference. First operand 397 states and 453 transitions. Second operand 6 states. [2019-09-16 16:35:27,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:27,625 INFO L93 Difference]: Finished difference Result 776 states and 900 transitions. [2019-09-16 16:35:27,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:35:27,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2019-09-16 16:35:27,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:27,629 INFO L225 Difference]: With dead ends: 776 [2019-09-16 16:35:27,629 INFO L226 Difference]: Without dead ends: 407 [2019-09-16 16:35:27,630 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:27,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-09-16 16:35:27,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2019-09-16 16:35:27,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-09-16 16:35:27,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 463 transitions. [2019-09-16 16:35:27,657 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 463 transitions. Word has length 93 [2019-09-16 16:35:27,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:27,658 INFO L475 AbstractCegarLoop]: Abstraction has 407 states and 463 transitions. [2019-09-16 16:35:27,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:35:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 463 transitions. [2019-09-16 16:35:27,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-16 16:35:27,660 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:27,661 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:27,661 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:27,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:27,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1599880950, now seen corresponding path program 1 times [2019-09-16 16:35:27,662 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:27,662 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:27,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:27,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:27,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:27,766 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 16:35:27,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:27,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 16:35:27,767 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:35:27,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:35:27,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:27,768 INFO L87 Difference]: Start difference. First operand 407 states and 463 transitions. Second operand 8 states. [2019-09-16 16:35:27,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:27,808 INFO L93 Difference]: Finished difference Result 800 states and 936 transitions. [2019-09-16 16:35:27,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:27,813 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2019-09-16 16:35:27,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:27,817 INFO L225 Difference]: With dead ends: 800 [2019-09-16 16:35:27,818 INFO L226 Difference]: Without dead ends: 421 [2019-09-16 16:35:27,819 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:27,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-09-16 16:35:27,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2019-09-16 16:35:27,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2019-09-16 16:35:27,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 471 transitions. [2019-09-16 16:35:27,841 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 471 transitions. Word has length 93 [2019-09-16 16:35:27,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:27,842 INFO L475 AbstractCegarLoop]: Abstraction has 415 states and 471 transitions. [2019-09-16 16:35:27,842 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:35:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 471 transitions. [2019-09-16 16:35:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-16 16:35:27,844 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:27,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:27,844 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:27,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1929646711, now seen corresponding path program 1 times [2019-09-16 16:35:27,845 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:27,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:27,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:27,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:27,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:27,913 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 16:35:27,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:27,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:35:27,914 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:35:27,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:35:27,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:35:27,915 INFO L87 Difference]: Start difference. First operand 415 states and 471 transitions. Second operand 4 states. [2019-09-16 16:35:28,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:28,148 INFO L93 Difference]: Finished difference Result 1250 states and 1496 transitions. [2019-09-16 16:35:28,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:35:28,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2019-09-16 16:35:28,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:28,156 INFO L225 Difference]: With dead ends: 1250 [2019-09-16 16:35:28,156 INFO L226 Difference]: Without dead ends: 863 [2019-09-16 16:35:28,159 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:35:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2019-09-16 16:35:28,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 549. [2019-09-16 16:35:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2019-09-16 16:35:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 618 transitions. [2019-09-16 16:35:28,210 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 618 transitions. Word has length 93 [2019-09-16 16:35:28,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:28,210 INFO L475 AbstractCegarLoop]: Abstraction has 549 states and 618 transitions. [2019-09-16 16:35:28,210 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:35:28,210 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 618 transitions. [2019-09-16 16:35:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-09-16 16:35:28,213 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:28,213 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:28,213 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:28,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:28,214 INFO L82 PathProgramCache]: Analyzing trace with hash 446997693, now seen corresponding path program 1 times [2019-09-16 16:35:28,214 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:28,214 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:28,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:28,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:28,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:28,283 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 16:35:28,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:28,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:35:28,283 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:35:28,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:35:28,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:28,284 INFO L87 Difference]: Start difference. First operand 549 states and 618 transitions. Second operand 3 states. [2019-09-16 16:35:28,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:28,350 INFO L93 Difference]: Finished difference Result 866 states and 990 transitions. [2019-09-16 16:35:28,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:35:28,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2019-09-16 16:35:28,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:28,355 INFO L225 Difference]: With dead ends: 866 [2019-09-16 16:35:28,356 INFO L226 Difference]: Without dead ends: 863 [2019-09-16 16:35:28,356 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 16:35:28,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2019-09-16 16:35:28,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 713. [2019-09-16 16:35:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2019-09-16 16:35:28,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 813 transitions. [2019-09-16 16:35:28,399 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 813 transitions. Word has length 97 [2019-09-16 16:35:28,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:28,400 INFO L475 AbstractCegarLoop]: Abstraction has 713 states and 813 transitions. [2019-09-16 16:35:28,400 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:35:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 813 transitions. [2019-09-16 16:35:28,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-09-16 16:35:28,404 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:28,404 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, 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] [2019-09-16 16:35:28,405 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:28,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:28,405 INFO L82 PathProgramCache]: Analyzing trace with hash 350097324, now seen corresponding path program 1 times [2019-09-16 16:35:28,405 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:28,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:28,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:28,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:28,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-16 16:35:28,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:28,542 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 16:35:28,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:28,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-16 16:35:28,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:28,880 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:35:28,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:28,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-16 16:35:28,888 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:35:28,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:35:28,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:28,889 INFO L87 Difference]: Start difference. First operand 713 states and 813 transitions. Second operand 8 states. [2019-09-16 16:35:29,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:29,074 INFO L93 Difference]: Finished difference Result 1201 states and 1380 transitions. [2019-09-16 16:35:29,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:35:29,075 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2019-09-16 16:35:29,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:29,079 INFO L225 Difference]: With dead ends: 1201 [2019-09-16 16:35:29,080 INFO L226 Difference]: Without dead ends: 646 [2019-09-16 16:35:29,082 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:29,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2019-09-16 16:35:29,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2019-09-16 16:35:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2019-09-16 16:35:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 727 transitions. [2019-09-16 16:35:29,128 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 727 transitions. Word has length 160 [2019-09-16 16:35:29,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:29,129 INFO L475 AbstractCegarLoop]: Abstraction has 646 states and 727 transitions. [2019-09-16 16:35:29,129 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:35:29,130 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 727 transitions. [2019-09-16 16:35:29,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-09-16 16:35:29,136 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:29,136 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:29,137 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:29,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:29,137 INFO L82 PathProgramCache]: Analyzing trace with hash -942209648, now seen corresponding path program 1 times [2019-09-16 16:35:29,137 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:29,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:29,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:29,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:29,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-16 16:35:29,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:29,272 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 16:35:29,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:29,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 951 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-16 16:35:29,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:35:29,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:29,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2019-09-16 16:35:29,604 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:29,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:29,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:29,605 INFO L87 Difference]: Start difference. First operand 646 states and 727 transitions. Second operand 7 states. [2019-09-16 16:35:30,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:30,498 INFO L93 Difference]: Finished difference Result 1645 states and 2003 transitions. [2019-09-16 16:35:30,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:30,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 173 [2019-09-16 16:35:30,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:30,507 INFO L225 Difference]: With dead ends: 1645 [2019-09-16 16:35:30,507 INFO L226 Difference]: Without dead ends: 1157 [2019-09-16 16:35:30,509 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:35:30,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2019-09-16 16:35:30,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1070. [2019-09-16 16:35:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2019-09-16 16:35:30,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1240 transitions. [2019-09-16 16:35:30,581 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1240 transitions. Word has length 173 [2019-09-16 16:35:30,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:30,582 INFO L475 AbstractCegarLoop]: Abstraction has 1070 states and 1240 transitions. [2019-09-16 16:35:30,582 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1240 transitions. [2019-09-16 16:35:30,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-09-16 16:35:30,587 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:30,587 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:35:30,587 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:30,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:30,588 INFO L82 PathProgramCache]: Analyzing trace with hash -524813042, now seen corresponding path program 1 times [2019-09-16 16:35:30,588 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:30,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:30,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:30,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:30,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-16 16:35:30,837 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:30,837 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 16:35:30,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:31,075 INFO L256 TraceCheckSpWp]: Trace formula consists of 953 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-16 16:35:31,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-09-16 16:35:31,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:31,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-16 16:35:31,301 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-16 16:35:31,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-16 16:35:31,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:35:31,303 INFO L87 Difference]: Start difference. First operand 1070 states and 1240 transitions. Second operand 19 states. [2019-09-16 16:35:32,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:32,794 INFO L93 Difference]: Finished difference Result 1857 states and 2164 transitions. [2019-09-16 16:35:32,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-16 16:35:32,794 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 173 [2019-09-16 16:35:32,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:32,797 INFO L225 Difference]: With dead ends: 1857 [2019-09-16 16:35:32,797 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:35:32,804 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:35:32,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:35:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:35:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:35:32,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:35:32,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2019-09-16 16:35:32,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:32,806 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:35:32,807 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-16 16:35:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:35:32,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:35:32,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:35:33,998 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2019-09-16 16:35:34,216 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2019-09-16 16:35:34,455 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 29 [2019-09-16 16:35:34,656 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2019-09-16 16:35:34,766 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-09-16 16:35:34,960 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2019-09-16 16:35:35,092 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-09-16 16:35:35,350 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2019-09-16 16:35:35,619 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 39 [2019-09-16 16:35:35,963 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2019-09-16 16:35:36,241 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2019-09-16 16:35:36,466 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 26 [2019-09-16 16:35:36,716 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2019-09-16 16:35:36,910 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-09-16 16:35:37,099 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 29 [2019-09-16 16:35:37,271 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 30 [2019-09-16 16:35:37,409 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2019-09-16 16:35:37,577 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2019-09-16 16:35:37,739 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-09-16 16:35:37,913 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2019-09-16 16:35:38,054 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 28 [2019-09-16 16:35:38,180 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 25 [2019-09-16 16:35:38,302 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2019-09-16 16:35:38,546 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2019-09-16 16:35:38,840 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2019-09-16 16:35:39,378 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 47 [2019-09-16 16:35:39,802 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 38 [2019-09-16 16:35:39,997 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2019-09-16 16:35:40,108 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2019-09-16 16:35:40,485 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 30 [2019-09-16 16:35:40,666 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point L195-2(lines 195 216) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point L217(lines 194 218) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 170 225) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 170 225) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 170 225) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point L258-1(lines 258 262) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point L253(line 253) no Hoare annotation was computed. [2019-09-16 16:35:40,711 INFO L443 ceAbstractionStarter]: For program point L252-2(lines 252 277) no Hoare annotation was computed. [2019-09-16 16:35:40,712 INFO L443 ceAbstractionStarter]: For program point L278(lines 251 279) no Hoare annotation was computed. [2019-09-16 16:35:40,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 226 285) no Hoare annotation was computed. [2019-09-16 16:35:40,712 INFO L443 ceAbstractionStarter]: For program point L271(line 271) no Hoare annotation was computed. [2019-09-16 16:35:40,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 226 285) no Hoare annotation was computed. [2019-09-16 16:35:40,712 INFO L443 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2019-09-16 16:35:40,712 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 226 285) no Hoare annotation was computed. [2019-09-16 16:35:40,712 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 262) no Hoare annotation was computed. [2019-09-16 16:35:40,712 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2019-09-16 16:35:40,712 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2019-09-16 16:35:40,712 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2019-09-16 16:35:40,713 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2019-09-16 16:35:40,713 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2019-09-16 16:35:40,713 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,713 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2019-09-16 16:35:40,713 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2019-09-16 16:35:40,713 INFO L439 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,713 INFO L439 ceAbstractionStarter]: At program point L844-1(line 844) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,713 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2019-09-16 16:35:40,713 INFO L443 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2019-09-16 16:35:40,713 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-09-16 16:35:40,714 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,714 INFO L439 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,714 INFO L439 ceAbstractionStarter]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,714 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-09-16 16:35:40,714 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-09-16 16:35:40,714 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 787 810) no Hoare annotation was computed. [2019-09-16 16:35:40,714 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-09-16 16:35:40,714 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-09-16 16:35:40,714 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-09-16 16:35:40,714 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 787 810) no Hoare annotation was computed. [2019-09-16 16:35:40,714 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 787 810) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2019-09-16 16:35:40,715 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2019-09-16 16:35:40,716 INFO L446 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2019-09-16 16:35:40,716 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point L672(line 672) no Hoare annotation was computed. [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2019-09-16 16:35:40,716 INFO L443 ceAbstractionStarter]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point L649(lines 649 657) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 124 169) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 124 169) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 124 169) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 437 482) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 437 482) no Hoare annotation was computed. [2019-09-16 16:35:40,717 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 464) no Hoare annotation was computed. [2019-09-16 16:35:40,718 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 437 482) no Hoare annotation was computed. [2019-09-16 16:35:40,718 INFO L443 ceAbstractionStarter]: For program point L451(lines 451 471) no Hoare annotation was computed. [2019-09-16 16:35:40,718 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2019-09-16 16:35:40,718 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,718 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2019-09-16 16:35:40,718 INFO L439 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,718 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2019-09-16 16:35:40,718 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2019-09-16 16:35:40,718 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2019-09-16 16:35:40,718 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2019-09-16 16:35:40,719 INFO L446 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2019-09-16 16:35:40,719 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-09-16 16:35:40,719 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-16 16:35:40,719 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2019-09-16 16:35:40,719 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2019-09-16 16:35:40,719 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2019-09-16 16:35:40,719 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2019-09-16 16:35:40,719 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2019-09-16 16:35:40,720 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2019-09-16 16:35:40,720 INFO L439 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse0) (or .cse4 .cse5 .cse2) (or .cse3 .cse5 .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-16 16:35:40,720 INFO L443 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2019-09-16 16:35:40,720 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2019-09-16 16:35:40,720 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~pumpRunning~0 0)) (.cse5 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse2 .cse1 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse6 .cse5 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-16 16:35:40,720 INFO L439 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3) (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 1)) .cse3 .cse2 .cse4) (or .cse1 .cse4)))) [2019-09-16 16:35:40,721 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (= ~pumpRunning~0 1)) .cse1 .cse0) (or .cse4 .cse2)))) [2019-09-16 16:35:40,721 INFO L443 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2019-09-16 16:35:40,721 INFO L439 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse2 .cse1 .cse4) (or .cse0 .cse5 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse4)))) [2019-09-16 16:35:40,721 INFO L443 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2019-09-16 16:35:40,721 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2019-09-16 16:35:40,721 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2019-09-16 16:35:40,721 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2019-09-16 16:35:40,721 INFO L439 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse5 .cse3) (and (and (and .cse1 .cse2) .cse3) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:40,722 INFO L443 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2019-09-16 16:35:40,722 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,722 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2019-09-16 16:35:40,722 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2019-09-16 16:35:40,722 INFO L439 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse5) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse4 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 .cse2) .cse3) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:40,722 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-09-16 16:35:40,722 INFO L443 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2019-09-16 16:35:40,722 INFO L439 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse5) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse4 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 .cse2) .cse3) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:40,722 INFO L439 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (<= 2 ~waterLevel~0) .cse1 .cse4 .cse5) (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse4 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 .cse2) .cse3) .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L439 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point L411(lines 411 418) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 391 436) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 425) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 391 436) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point L405-1(lines 405 425) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 391 436) no Hoare annotation was computed. [2019-09-16 16:35:40,723 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2019-09-16 16:35:40,724 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2019-09-16 16:35:40,724 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2019-09-16 16:35:40,724 INFO L439 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse5 (not (<= 2 ~waterLevel~0)) .cse3 .cse1 .cse6) (or .cse4 .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1)) .cse6))) [2019-09-16 16:35:40,724 INFO L443 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2019-09-16 16:35:40,724 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2019-09-16 16:35:40,724 INFO L443 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2019-09-16 16:35:40,724 INFO L439 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse1 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-09-16 16:35:40,724 INFO L443 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-09-16 16:35:40,725 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse1 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-09-16 16:35:40,725 INFO L439 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse1) (or .cse4 .cse0) (or .cse4 (not (<= 2 ~waterLevel~0)) .cse3 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2019-09-16 16:35:40,725 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2019-09-16 16:35:40,725 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2019-09-16 16:35:40,725 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2019-09-16 16:35:40,725 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 920) no Hoare annotation was computed. [2019-09-16 16:35:40,725 INFO L443 ceAbstractionStarter]: For program point L912-2(lines 912 920) no Hoare annotation was computed. [2019-09-16 16:35:40,725 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 904 926) no Hoare annotation was computed. [2019-09-16 16:35:40,726 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 904 926) no Hoare annotation was computed. [2019-09-16 16:35:40,726 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 904 926) no Hoare annotation was computed. [2019-09-16 16:35:40,726 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-09-16 16:35:40,726 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2019-09-16 16:35:40,726 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2019-09-16 16:35:40,726 INFO L443 ceAbstractionStarter]: For program point L353(line 353) no Hoare annotation was computed. [2019-09-16 16:35:40,726 INFO L443 ceAbstractionStarter]: For program point L353-1(line 353) no Hoare annotation was computed. [2019-09-16 16:35:40,726 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 288 390) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 316) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 387) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point L358(lines 336 359) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 288 390) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 333) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 384) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point L338(lines 337 357) no Hoare annotation was computed. [2019-09-16 16:35:40,727 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 288 390) no Hoare annotation was computed. [2019-09-16 16:35:40,728 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-09-16 16:35:40,728 INFO L443 ceAbstractionStarter]: For program point L369-1(line 369) no Hoare annotation was computed. [2019-09-16 16:35:40,728 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 375) no Hoare annotation was computed. [2019-09-16 16:35:40,728 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 961 970) no Hoare annotation was computed. [2019-09-16 16:35:40,728 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 961 970) no Hoare annotation was computed. [2019-09-16 16:35:40,728 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 961 970) no Hoare annotation was computed. [2019-09-16 16:35:40,728 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:40,728 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 16:35:40,728 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:40,729 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2019-09-16 16:35:40,729 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2019-09-16 16:35:40,729 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-09-16 16:35:40,729 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2019-09-16 16:35:40,729 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2019-09-16 16:35:40,729 INFO L446 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2019-09-16 16:35:40,729 INFO L443 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2019-09-16 16:35:40,729 INFO L443 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2019-09-16 16:35:40,729 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2019-09-16 16:35:40,730 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2019-09-16 16:35:40,730 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 927 935) no Hoare annotation was computed. [2019-09-16 16:35:40,730 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 927 935) no Hoare annotation was computed. [2019-09-16 16:35:40,730 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 927 935) no Hoare annotation was computed. [2019-09-16 16:35:40,730 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse7 (= 1 ~methaneLevelCritical~0)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse5)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2 .cse3) (or .cse6 .cse5 (not (<= 2 ~waterLevel~0)) .cse4 .cse7) (or .cse6 .cse7 .cse1 .cse2)))) [2019-09-16 16:35:40,730 INFO L443 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2019-09-16 16:35:40,730 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2019-09-16 16:35:40,730 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:40,731 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:35:40,731 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:40,731 INFO L439 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (or .cse9 .cse3)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 (and .cse6 .cse7 .cse2) .cse8 .cse5) (or .cse9 .cse2 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse10) (or (and .cse6 .cse7) .cse8 .cse5 .cse10) (or .cse1 .cse3 .cse4 .cse10)))) [2019-09-16 16:35:40,731 INFO L439 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (and (= 1 ~systemActive~0) .cse1 .cse12 (= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (or .cse1 .cse3)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse6 (and .cse10 .cse12)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (and .cse8 .cse9 .cse10) .cse5 .cse11) (or .cse9 .cse12 .cse3 .cse13 .cse11) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse11) (or .cse0 .cse3 .cse13 .cse5 .cse14) (or .cse0 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse13 .cse14) (or .cse0 .cse7 (and .cse8 .cse9 .cse10 .cse2) .cse6 .cse5)))) [2019-09-16 16:35:40,731 INFO L439 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse6)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse4 .cse5))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)) .cse6 .cse7 .cse1) (or .cse6 .cse7 .cse8 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse6 (not (<= 2 |old(~waterLevel~0)|)) .cse7 .cse8)))) [2019-09-16 16:35:40,732 INFO L443 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2019-09-16 16:35:40,732 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 1)) (.cse5 (not (= ~systemActive~0 1))) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse0 (and .cse9 (= ~pumpRunning~0 0) .cse10)) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse8 .cse9)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse6 .cse7 .cse3) (or .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6 .cse7) (or .cse4 .cse5 .cse6 (and .cse8 .cse9 .cse10) .cse2)))) [2019-09-16 16:35:40,732 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2019-09-16 16:35:40,732 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2019-09-16 16:35:40,732 INFO L443 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2019-09-16 16:35:40,732 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2019-09-16 16:35:40,732 INFO L446 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2019-09-16 16:35:40,732 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2019-09-16 16:35:40,733 INFO L446 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2019-09-16 16:35:40,733 INFO L443 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2019-09-16 16:35:40,733 INFO L446 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2019-09-16 16:35:40,733 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-09-16 16:35:40,733 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-09-16 16:35:40,733 INFO L446 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2019-09-16 16:35:40,733 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2019-09-16 16:35:40,733 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2019-09-16 16:35:40,734 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2019-09-16 16:35:40,734 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (or .cse0 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse4 .cse2) (or .cse3 .cse2 .cse1 .cse4 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-16 16:35:40,734 INFO L443 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2019-09-16 16:35:40,734 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2019-09-16 16:35:40,734 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2019-09-16 16:35:40,734 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2019-09-16 16:35:40,734 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:40,734 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-09-16 16:35:40,735 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:35:40,735 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:40,735 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-16 16:35:40,735 INFO L439 ceAbstractionStarter]: At program point L543(line 543) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= ~pumpRunning~0 0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-16 16:35:40,735 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2019-09-16 16:35:40,735 INFO L439 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 (not (= ~methaneLevelCritical~0 1)) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse1 .cse2)))) [2019-09-16 16:35:40,736 INFO L443 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2019-09-16 16:35:40,736 INFO L439 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-16 16:35:40,736 INFO L443 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2019-09-16 16:35:40,736 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2019-09-16 16:35:40,736 INFO L439 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse1)))) [2019-09-16 16:35:40,736 INFO L443 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2019-09-16 16:35:40,736 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2019-09-16 16:35:40,736 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2019-09-16 16:35:40,737 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse4 .cse6 (not (<= 2 |old(~waterLevel~0)|)) .cse5 .cse0)))) [2019-09-16 16:35:40,737 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-09-16 16:35:40,737 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-09-16 16:35:40,737 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-09-16 16:35:40,737 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-09-16 16:35:40,737 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-16 16:35:40,737 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2019-09-16 16:35:40,738 INFO L443 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2019-09-16 16:35:40,738 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or .cse2 .cse3 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2019-09-16 16:35:40,738 INFO L439 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse1)))) [2019-09-16 16:35:40,738 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse1)))) [2019-09-16 16:35:40,738 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2019-09-16 16:35:40,738 INFO L439 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse1)))) [2019-09-16 16:35:40,738 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-09-16 16:35:40,739 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2019-09-16 16:35:40,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:35:40 BoogieIcfgContainer [2019-09-16 16:35:40,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:35:40,756 INFO L168 Benchmark]: Toolchain (without parser) took 18794.96 ms. Allocated memory was 132.6 MB in the beginning and 510.1 MB in the end (delta: 377.5 MB). Free memory was 85.8 MB in the beginning and 190.5 MB in the end (delta: -104.7 MB). Peak memory consumption was 388.8 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:40,757 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-16 16:35:40,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.88 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 85.6 MB in the beginning and 162.4 MB in the end (delta: -76.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:40,759 INFO L168 Benchmark]: Boogie Preprocessor took 104.66 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 158.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:40,760 INFO L168 Benchmark]: RCFGBuilder took 1240.37 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 158.2 MB in the beginning and 186.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:40,761 INFO L168 Benchmark]: TraceAbstraction took 16757.10 ms. Allocated memory was 223.3 MB in the beginning and 510.1 MB in the end (delta: 286.8 MB). Free memory was 186.9 MB in the beginning and 190.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 399.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:40,765 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.88 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 85.6 MB in the beginning and 162.4 MB in the end (delta: -76.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.66 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 158.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1240.37 ms. Allocated memory was 199.2 MB in the beginning and 223.3 MB in the end (delta: 24.1 MB). Free memory was 158.2 MB in the beginning and 186.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16757.10 ms. Allocated memory was 223.3 MB in the beginning and 510.1 MB in the end (delta: 286.8 MB). Free memory was 186.9 MB in the beginning and 190.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 399.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime) || (((2 <= waterLevel && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 1) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 250 locations, 1 error locations. SAFE Result, 16.6s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 7.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2470 SDtfs, 1757 SDslu, 6728 SDs, 0 SdLazy, 2806 SolverSat, 541 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 650 GetRequests, 559 SyntacticMatches, 1 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1070occurred in iteration=12, 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: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 611 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2138 PreInvPairs, 2227 NumberOfFragments, 2751 HoareAnnotationTreeSize, 2138 FomulaSimplifications, 11579 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 67 FomulaSimplificationsInter, 20414 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1801 NumberOfCodeBlocks, 1801 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1785 ConstructedInterpolants, 0 QuantifiedInterpolants, 378220 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2828 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 282/298 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...