/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:41:30,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:41:30,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:41:30,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:41:30,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:41:30,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:41:30,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:41:30,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:41:30,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:41:30,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:41:30,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:41:30,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:41:30,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:41:30,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:41:30,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:41:30,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:41:30,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:41:30,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:41:30,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:41:30,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:41:30,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:41:30,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:41:30,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:41:30,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:41:30,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:41:30,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:41:30,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:41:30,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:41:30,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:41:30,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:41:30,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:41:30,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:41:30,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:41:30,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:41:30,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:41:30,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:41:30,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:41:30,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:41:30,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:41:30,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:41:30,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:41:30,919 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 [2020-07-20 10:41:30,940 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:41:30,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:41:30,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:41:30,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:41:30,943 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:41:30,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:41:30,944 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:41:30,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:41:30,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:41:30,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:41:30,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:41:30,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:41:30,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:41:30,946 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:41:30,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:41:30,947 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:41:30,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:41:30,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:41:30,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:41:30,948 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:41:30,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:41:30,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:30,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:41:30,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:41:30,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:41:30,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:41:30,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:30,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:41:30,950 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:41:30,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:41:31,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:41:31,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:41:31,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:41:31,280 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:41:31,280 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:41:31,281 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-07-20 10:41:31,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db92b732f/467c1c81597b4f1d94082acff583543e/FLAGe89823136 [2020-07-20 10:41:31,921 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:41:31,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product46.cil.c [2020-07-20 10:41:31,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db92b732f/467c1c81597b4f1d94082acff583543e/FLAGe89823136 [2020-07-20 10:41:32,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db92b732f/467c1c81597b4f1d94082acff583543e [2020-07-20 10:41:32,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:41:32,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:41:32,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:32,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:41:32,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:41:32,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21cbf42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32, skipping insertion in model container [2020-07-20 10:41:32,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:41:32,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:41:32,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:32,687 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:41:32,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:32,889 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:41:32,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32 WrapperNode [2020-07-20 10:41:32,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:32,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:41:32,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:41:32,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:41:32,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32" (1/1) ... [2020-07-20 10:41:32,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:41:32,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:41:32,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:41:32,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:41:32,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32" (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 [2020-07-20 10:41:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:41:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:41:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:41:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:41:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:41:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:41:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:41:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:41:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:41:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:41:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:41:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:41:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:41:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:41:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:41:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:41:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:41:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:41:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:41:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:41:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:41:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:41:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:41:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:41:33,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:41:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:41:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:41:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:41:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:41:33,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:41:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:41:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:41:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:41:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:41:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:33,060 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:41:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:41:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:41:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:41:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:41:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:41:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:41:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:41:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:41:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:41:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:41:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:41:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:41:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:41:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:41:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:41:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:33,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:41:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:41:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:41:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:41:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:41:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:41:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:41:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:41:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:41:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:41:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:41:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:41:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:41:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:41:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:41:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:41:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:41:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:41:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:41:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:41:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:41:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:41:33,067 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:41:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:41:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:41:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:41:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:41:33,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:41:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:41:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:41:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:41:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:41:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:41:33,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:41:34,292 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:41:34,292 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:41:34,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:34 BoogieIcfgContainer [2020-07-20 10:41:34,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:41:34,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:41:34,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:41:34,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:41:34,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:41:32" (1/3) ... [2020-07-20 10:41:34,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55787427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:34, skipping insertion in model container [2020-07-20 10:41:34,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:32" (2/3) ... [2020-07-20 10:41:34,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55787427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:34, skipping insertion in model container [2020-07-20 10:41:34,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:34" (3/3) ... [2020-07-20 10:41:34,308 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2020-07-20 10:41:34,319 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:41:34,328 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:41:34,342 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:41:34,367 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:41:34,367 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:41:34,367 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:41:34,367 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:41:34,368 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:41:34,368 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:41:34,368 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:41:34,368 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:41:34,391 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2020-07-20 10:41:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:41:34,404 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:34,405 INFO L422 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] [2020-07-20 10:41:34,406 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:34,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:34,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1550424879, now seen corresponding path program 1 times [2020-07-20 10:41:34,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:34,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [799296563] [2020-07-20 10:41:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:34,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:41:34,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:34,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:34,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [799296563] [2020-07-20 10:41:34,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:34,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:41:34,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859868854] [2020-07-20 10:41:34,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:41:34,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:34,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:41:34,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:34,822 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2020-07-20 10:41:34,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:34,901 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2020-07-20 10:41:34,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:41:34,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 10:41:34,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:34,927 INFO L225 Difference]: With dead ends: 274 [2020-07-20 10:41:34,927 INFO L226 Difference]: Without dead ends: 139 [2020-07-20 10:41:34,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:34,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-20 10:41:34,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-20 10:41:35,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-20 10:41:35,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2020-07-20 10:41:35,004 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2020-07-20 10:41:35,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:35,005 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2020-07-20 10:41:35,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:41:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2020-07-20 10:41:35,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:41:35,009 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:35,009 INFO L422 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] [2020-07-20 10:41:35,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:35,217 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:35,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:35,218 INFO L82 PathProgramCache]: Analyzing trace with hash 2147140265, now seen corresponding path program 1 times [2020-07-20 10:41:35,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:35,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1702116277] [2020-07-20 10:41:35,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:35,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:35,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:35,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:35,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1702116277] [2020-07-20 10:41:35,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:35,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:35,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009117763] [2020-07-20 10:41:35,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:35,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:35,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:35,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:35,536 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2020-07-20 10:41:35,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:35,570 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2020-07-20 10:41:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:35,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:41:35,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:35,575 INFO L225 Difference]: With dead ends: 219 [2020-07-20 10:41:35,575 INFO L226 Difference]: Without dead ends: 130 [2020-07-20 10:41:35,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:35,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-20 10:41:35,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-20 10:41:35,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-20 10:41:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2020-07-20 10:41:35,610 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2020-07-20 10:41:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:35,610 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2020-07-20 10:41:35,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2020-07-20 10:41:35,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 10:41:35,618 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:35,618 INFO L422 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] [2020-07-20 10:41:35,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:35,835 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:35,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:35,836 INFO L82 PathProgramCache]: Analyzing trace with hash 871775649, now seen corresponding path program 1 times [2020-07-20 10:41:35,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:35,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1349057746] [2020-07-20 10:41:35,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:36,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:41:36,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:36,046 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:36,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1349057746] [2020-07-20 10:41:36,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:36,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:36,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749067602] [2020-07-20 10:41:36,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:36,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:36,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:36,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:36,049 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 3 states. [2020-07-20 10:41:36,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:36,067 INFO L93 Difference]: Finished difference Result 232 states and 277 transitions. [2020-07-20 10:41:36,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:36,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 10:41:36,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:36,073 INFO L225 Difference]: With dead ends: 232 [2020-07-20 10:41:36,073 INFO L226 Difference]: Without dead ends: 130 [2020-07-20 10:41:36,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:36,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-20 10:41:36,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-20 10:41:36,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-20 10:41:36,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-07-20 10:41:36,093 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 57 [2020-07-20 10:41:36,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:36,094 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-07-20 10:41:36,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-07-20 10:41:36,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:41:36,099 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:36,099 INFO L422 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] [2020-07-20 10:41:36,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:36,300 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:36,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:36,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1442711131, now seen corresponding path program 1 times [2020-07-20 10:41:36,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:36,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622887305] [2020-07-20 10:41:36,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:36,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:36,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:36,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:36,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:36,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1622887305] [2020-07-20 10:41:36,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:36,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:36,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112578590] [2020-07-20 10:41:36,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:36,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:36,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:36,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:36,554 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states. [2020-07-20 10:41:36,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:36,600 INFO L93 Difference]: Finished difference Result 232 states and 278 transitions. [2020-07-20 10:41:36,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:36,600 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-07-20 10:41:36,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:36,604 INFO L225 Difference]: With dead ends: 232 [2020-07-20 10:41:36,604 INFO L226 Difference]: Without dead ends: 229 [2020-07-20 10:41:36,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:36,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-07-20 10:41:36,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2020-07-20 10:41:36,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-07-20 10:41:36,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 275 transitions. [2020-07-20 10:41:36,628 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 275 transitions. Word has length 70 [2020-07-20 10:41:36,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:36,629 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 275 transitions. [2020-07-20 10:41:36,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 275 transitions. [2020-07-20 10:41:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-20 10:41:36,631 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:36,632 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:36,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:36,845 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:36,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:36,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1959086934, now seen corresponding path program 1 times [2020-07-20 10:41:36,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:36,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [487316979] [2020-07-20 10:41:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:37,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:37,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 10:41:37,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:37,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [487316979] [2020-07-20 10:41:37,122 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:37,122 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:41:37,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450491712] [2020-07-20 10:41:37,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:41:37,123 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:37,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:41:37,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:37,124 INFO L87 Difference]: Start difference. First operand 229 states and 275 transitions. Second operand 7 states. [2020-07-20 10:41:37,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:37,934 INFO L93 Difference]: Finished difference Result 562 states and 721 transitions. [2020-07-20 10:41:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:41:37,935 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 114 [2020-07-20 10:41:37,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:37,943 INFO L225 Difference]: With dead ends: 562 [2020-07-20 10:41:37,943 INFO L226 Difference]: Without dead ends: 361 [2020-07-20 10:41:37,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:41:37,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2020-07-20 10:41:38,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 336. [2020-07-20 10:41:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2020-07-20 10:41:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 407 transitions. [2020-07-20 10:41:38,005 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 407 transitions. Word has length 114 [2020-07-20 10:41:38,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:38,008 INFO L479 AbstractCegarLoop]: Abstraction has 336 states and 407 transitions. [2020-07-20 10:41:38,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:41:38,008 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 407 transitions. [2020-07-20 10:41:38,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-20 10:41:38,014 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:38,014 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:38,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:38,216 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:38,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:38,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1678953787, now seen corresponding path program 1 times [2020-07-20 10:41:38,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:38,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903480153] [2020-07-20 10:41:38,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:38,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:41:38,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-07-20 10:41:38,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-07-20 10:41:38,788 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903480153] [2020-07-20 10:41:38,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:38,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 10:41:38,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742037965] [2020-07-20 10:41:38,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:38,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:38,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:38,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:38,790 INFO L87 Difference]: Start difference. First operand 336 states and 407 transitions. Second operand 6 states. [2020-07-20 10:41:39,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:39,038 INFO L93 Difference]: Finished difference Result 915 states and 1153 transitions. [2020-07-20 10:41:39,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:39,038 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2020-07-20 10:41:39,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:39,043 INFO L225 Difference]: With dead ends: 915 [2020-07-20 10:41:39,043 INFO L226 Difference]: Without dead ends: 607 [2020-07-20 10:41:39,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 313 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:41:39,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-07-20 10:41:39,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 496. [2020-07-20 10:41:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 496 states. [2020-07-20 10:41:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 598 transitions. [2020-07-20 10:41:39,103 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 598 transitions. Word has length 159 [2020-07-20 10:41:39,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:39,103 INFO L479 AbstractCegarLoop]: Abstraction has 496 states and 598 transitions. [2020-07-20 10:41:39,103 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:39,103 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 598 transitions. [2020-07-20 10:41:39,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-20 10:41:39,110 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:39,110 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:39,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:39,324 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:39,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:39,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1060903191, now seen corresponding path program 1 times [2020-07-20 10:41:39,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:39,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1011047083] [2020-07-20 10:41:39,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:39,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:39,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 10:41:39,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:39,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1011047083] [2020-07-20 10:41:39,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:39,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:39,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598015440] [2020-07-20 10:41:39,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:39,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:39,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:39,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:39,622 INFO L87 Difference]: Start difference. First operand 496 states and 598 transitions. Second operand 8 states. [2020-07-20 10:41:40,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:40,070 INFO L93 Difference]: Finished difference Result 936 states and 1145 transitions. [2020-07-20 10:41:40,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:40,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 163 [2020-07-20 10:41:40,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:40,074 INFO L225 Difference]: With dead ends: 936 [2020-07-20 10:41:40,074 INFO L226 Difference]: Without dead ends: 468 [2020-07-20 10:41:40,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:40,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-07-20 10:41:40,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 464. [2020-07-20 10:41:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-07-20 10:41:40,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 547 transitions. [2020-07-20 10:41:40,104 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 547 transitions. Word has length 163 [2020-07-20 10:41:40,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:40,105 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 547 transitions. [2020-07-20 10:41:40,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 547 transitions. [2020-07-20 10:41:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-07-20 10:41:40,109 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:40,109 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:40,323 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:40,324 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:40,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:40,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1897081026, now seen corresponding path program 1 times [2020-07-20 10:41:40,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:40,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335702057] [2020-07-20 10:41:40,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:40,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:40,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 10:41:40,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:40,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335702057] [2020-07-20 10:41:40,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:40,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:40,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272421035] [2020-07-20 10:41:40,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:40,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:40,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:40,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:40,662 INFO L87 Difference]: Start difference. First operand 464 states and 547 transitions. Second operand 8 states. [2020-07-20 10:41:41,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:41,051 INFO L93 Difference]: Finished difference Result 740 states and 876 transitions. [2020-07-20 10:41:41,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:41,052 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 215 [2020-07-20 10:41:41,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:41,053 INFO L225 Difference]: With dead ends: 740 [2020-07-20 10:41:41,053 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:41:41,055 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 207 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:41,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:41:41,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:41:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:41:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:41:41,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 215 [2020-07-20 10:41:41,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:41,057 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:41:41,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:41:41,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:41:41,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:41,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:41:42,454 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2020-07-20 10:41:44,171 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-07-20 10:41:44,171 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-07-20 10:41:44,171 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-07-20 10:41:44,172 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-07-20 10:41:44,172 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-07-20 10:41:44,172 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-07-20 10:41:44,172 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-07-20 10:41:44,172 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-07-20 10:41:44,172 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-07-20 10:41:44,172 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-07-20 10:41:44,172 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-07-20 10:41:44,173 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-07-20 10:41:44,173 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-07-20 10:41:44,173 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-07-20 10:41:44,173 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-07-20 10:41:44,174 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-07-20 10:41:44,174 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-07-20 10:41:44,174 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-07-20 10:41:44,174 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-20 10:41:44,174 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-20 10:41:44,174 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-20 10:41:44,174 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-20 10:41:44,174 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-20 10:41:44,175 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,175 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,175 INFO L264 CegarLoopResult]: At program point L634-1(line 634) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,175 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2020-07-20 10:41:44,175 INFO L268 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2020-07-20 10:41:44,176 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2020-07-20 10:41:44,176 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-07-20 10:41:44,176 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,176 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,176 INFO L264 CegarLoopResult]: At program point L628-1(line 628) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,176 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2020-07-20 10:41:44,176 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 578 601) no Hoare annotation was computed. [2020-07-20 10:41:44,177 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 578 601) no Hoare annotation was computed. [2020-07-20 10:41:44,177 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 578 601) no Hoare annotation was computed. [2020-07-20 10:41:44,177 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-07-20 10:41:44,177 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-20 10:41:44,177 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-20 10:41:44,177 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-20 10:41:44,177 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-20 10:41:44,177 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-20 10:41:44,178 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 10:41:44,178 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-20 10:41:44,178 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 10:41:44,178 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-07-20 10:41:44,178 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-20 10:41:44,178 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-07-20 10:41:44,178 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-20 10:41:44,178 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-20 10:41:44,179 INFO L264 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse0 .cse1 .cse2))) [2020-07-20 10:41:44,179 INFO L268 CegarLoopResult]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2020-07-20 10:41:44,179 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:44,179 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:44,179 INFO L268 CegarLoopResult]: For program point L694(lines 694 702) no Hoare annotation was computed. [2020-07-20 10:41:44,179 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:44,179 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-07-20 10:41:44,179 INFO L268 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2020-07-20 10:41:44,179 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point L797(lines 797 805) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point L797-2(lines 797 805) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point L820-1(line 820) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 790 825) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point L809(lines 809 817) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 817) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 790 825) no Hoare annotation was computed. [2020-07-20 10:41:44,180 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 790 825) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-07-20 10:41:44,181 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,182 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2020-07-20 10:41:44,182 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,182 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2020-07-20 10:41:44,182 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2020-07-20 10:41:44,182 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2020-07-20 10:41:44,182 INFO L271 CegarLoopResult]: At program point L775(line 775) the Hoare annotation is: true [2020-07-20 10:41:44,182 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2020-07-20 10:41:44,182 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-07-20 10:41:44,183 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:44,183 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2020-07-20 10:41:44,183 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2020-07-20 10:41:44,183 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-07-20 10:41:44,183 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2020-07-20 10:41:44,183 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2020-07-20 10:41:44,183 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2020-07-20 10:41:44,183 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-20 10:41:44,183 INFO L268 CegarLoopResult]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2020-07-20 10:41:44,183 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2020-07-20 10:41:44,183 INFO L264 CegarLoopResult]: At program point L726(line 726) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2020-07-20 10:41:44,184 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:41:44,184 INFO L264 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse2 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse4)))) [2020-07-20 10:41:44,184 INFO L268 CegarLoopResult]: For program point L720(lines 720 728) no Hoare annotation was computed. [2020-07-20 10:41:44,184 INFO L264 CegarLoopResult]: At program point L718(line 718) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 10:41:44,184 INFO L268 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-07-20 10:41:44,184 INFO L268 CegarLoopResult]: For program point L716(lines 716 733) no Hoare annotation was computed. [2020-07-20 10:41:44,184 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2020-07-20 10:41:44,184 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2020-07-20 10:41:44,185 INFO L264 CegarLoopResult]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,185 INFO L264 CegarLoopResult]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:44,185 INFO L268 CegarLoopResult]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2020-07-20 10:41:44,185 INFO L268 CegarLoopResult]: For program point L950(lines 950 954) no Hoare annotation was computed. [2020-07-20 10:41:44,185 INFO L264 CegarLoopResult]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2020-07-20 10:41:44,185 INFO L268 CegarLoopResult]: For program point L913(lines 912 959) no Hoare annotation was computed. [2020-07-20 10:41:44,185 INFO L264 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2020-07-20 10:41:44,185 INFO L268 CegarLoopResult]: For program point L942(lines 942 955) no Hoare annotation was computed. [2020-07-20 10:41:44,185 INFO L264 CegarLoopResult]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:44,186 INFO L268 CegarLoopResult]: For program point L932(lines 932 938) no Hoare annotation was computed. [2020-07-20 10:41:44,186 INFO L268 CegarLoopResult]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2020-07-20 10:41:44,186 INFO L264 CegarLoopResult]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:44,186 INFO L264 CegarLoopResult]: At program point L924(line 924) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse1 .cse2) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:44,186 INFO L268 CegarLoopResult]: For program point L922(lines 922 928) no Hoare annotation was computed. [2020-07-20 10:41:44,186 INFO L268 CegarLoopResult]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2020-07-20 10:41:44,186 INFO L268 CegarLoopResult]: For program point L914(lines 914 918) no Hoare annotation was computed. [2020-07-20 10:41:44,186 INFO L268 CegarLoopResult]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2020-07-20 10:41:44,186 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-07-20 10:41:44,186 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-07-20 10:41:44,186 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-07-20 10:41:44,187 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-07-20 10:41:44,187 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-07-20 10:41:44,187 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-07-20 10:41:44,187 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 10:41:44,187 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2020-07-20 10:41:44,187 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2020-07-20 10:41:44,187 INFO L264 CegarLoopResult]: At program point L887(line 887) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:41:44,187 INFO L268 CegarLoopResult]: For program point L885(lines 885 891) no Hoare annotation was computed. [2020-07-20 10:41:44,187 INFO L268 CegarLoopResult]: For program point L884(lines 884 894) no Hoare annotation was computed. [2020-07-20 10:41:44,187 INFO L264 CegarLoopResult]: At program point L882(line 882) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-20 10:41:44,187 INFO L268 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-07-20 10:41:44,187 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point L880(lines 880 897) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 498 520) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2020-07-20 10:41:44,188 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2020-07-20 10:41:44,189 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:41:44,189 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:41:44,189 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:41:44,189 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-07-20 10:41:44,189 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-07-20 10:41:44,189 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-07-20 10:41:44,189 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-07-20 10:41:44,189 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-07-20 10:41:44,189 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-07-20 10:41:44,190 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-07-20 10:41:44,191 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:44,191 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 10:41:44,191 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:44,191 INFO L268 CegarLoopResult]: For program point L752(lines 752 758) no Hoare annotation was computed. [2020-07-20 10:41:44,191 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:44,191 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-20 10:41:44,191 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2020-07-20 10:41:44,191 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:41:44,191 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:41:44,191 INFO L268 CegarLoopResult]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2020-07-20 10:41:44,192 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 521 529) no Hoare annotation was computed. [2020-07-20 10:41:44,192 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2020-07-20 10:41:44,192 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2020-07-20 10:41:44,192 INFO L271 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: true [2020-07-20 10:41:44,192 INFO L268 CegarLoopResult]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2020-07-20 10:41:44,192 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2020-07-20 10:41:44,192 INFO L268 CegarLoopResult]: For program point L833-1(line 833) no Hoare annotation was computed. [2020-07-20 10:41:44,192 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2020-07-20 10:41:44,192 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2020-07-20 10:41:44,193 INFO L268 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-07-20 10:41:44,193 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:44,193 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:41:44,193 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:44,193 INFO L268 CegarLoopResult]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2020-07-20 10:41:44,193 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2020-07-20 10:41:44,193 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2020-07-20 10:41:44,194 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2020-07-20 10:41:44,194 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2020-07-20 10:41:44,194 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2020-07-20 10:41:44,194 INFO L264 CegarLoopResult]: At program point L667(line 667) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= 0 ~methAndRunningLastTime~0) .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|))))) [2020-07-20 10:41:44,194 INFO L264 CegarLoopResult]: At program point L665(lines 665 671) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0))) [2020-07-20 10:41:44,194 INFO L264 CegarLoopResult]: At program point L660(line 660) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse3 (and (= 0 ~methAndRunningLastTime~0) .cse1) .cse4) (or .cse0 .cse4 .cse5 .cse2))) [2020-07-20 10:41:44,195 INFO L268 CegarLoopResult]: For program point L658(lines 657 676) no Hoare annotation was computed. [2020-07-20 10:41:44,195 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse3 .cse1) .cse4) (or .cse0 .cse3 .cse4 (not (= 0 |old(~pumpRunning~0)|)) .cse2))) [2020-07-20 10:41:44,195 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2020-07-20 10:41:44,195 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2020-07-20 10:41:44,195 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2020-07-20 10:41:44,195 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2020-07-20 10:41:44,195 INFO L271 CegarLoopResult]: At program point L572(lines 547 576) the Hoare annotation is: true [2020-07-20 10:41:44,196 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-20 10:41:44,196 INFO L268 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-07-20 10:41:44,196 INFO L271 CegarLoopResult]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2020-07-20 10:41:44,196 INFO L268 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-07-20 10:41:44,196 INFO L271 CegarLoopResult]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2020-07-20 10:41:44,196 INFO L271 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: true [2020-07-20 10:41:44,196 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-07-20 10:41:44,196 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: true [2020-07-20 10:41:44,197 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2020-07-20 10:41:44,197 INFO L268 CegarLoopResult]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2020-07-20 10:41:44,197 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2020-07-20 10:41:44,197 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2020-07-20 10:41:44,197 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:44,197 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:41:44,197 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:41:44,197 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:44,197 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2020-07-20 10:41:44,198 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-20 10:41:44,198 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2020-07-20 10:41:44,198 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2020-07-20 10:41:44,198 INFO L268 CegarLoopResult]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2020-07-20 10:41:44,198 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: true [2020-07-20 10:41:44,198 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2020-07-20 10:41:44,198 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2020-07-20 10:41:44,199 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2020-07-20 10:41:44,199 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2020-07-20 10:41:44,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:41:44 BoogieIcfgContainer [2020-07-20 10:41:44,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:41:44,220 INFO L168 Benchmark]: Toolchain (without parser) took 12011.74 ms. Allocated memory was 138.4 MB in the beginning and 361.2 MB in the end (delta: 222.8 MB). Free memory was 102.7 MB in the beginning and 282.2 MB in the end (delta: -179.4 MB). Peak memory consumption was 240.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:44,221 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:41:44,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.57 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 102.3 MB in the beginning and 166.0 MB in the end (delta: -63.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:44,223 INFO L168 Benchmark]: Boogie Preprocessor took 88.09 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:44,225 INFO L168 Benchmark]: RCFGBuilder took 1319.24 ms. Allocated memory was 200.3 MB in the beginning and 234.4 MB in the end (delta: 34.1 MB). Free memory was 161.9 MB in the beginning and 189.6 MB in the end (delta: -27.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:44,226 INFO L168 Benchmark]: TraceAbstraction took 9916.56 ms. Allocated memory was 234.4 MB in the beginning and 361.2 MB in the end (delta: 126.9 MB). Free memory was 189.6 MB in the beginning and 282.2 MB in the end (delta: -92.6 MB). Peak memory consumption was 231.8 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:44,232 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.57 ms. Allocated memory was 138.4 MB in the beginning and 200.3 MB in the end (delta: 61.9 MB). Free memory was 102.3 MB in the beginning and 166.0 MB in the end (delta: -63.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.09 ms. Allocated memory is still 200.3 MB. Free memory was 166.0 MB in the beginning and 161.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1319.24 ms. Allocated memory was 200.3 MB in the beginning and 234.4 MB in the end (delta: 34.1 MB). Free memory was 161.9 MB in the beginning and 189.6 MB in the end (delta: -27.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9916.56 ms. Allocated memory was 234.4 MB in the beginning and 361.2 MB in the end (delta: 126.9 MB). Free memory was 189.6 MB in the beginning and 282.2 MB in the end (delta: -92.6 MB). Peak memory consumption was 231.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((((((((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: ((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.9s, OverallIterations: 8, TraceHistogramMax: 6, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1437 SDtfs, 683 SDslu, 2826 SDs, 0 SdLazy, 1029 SolverSat, 128 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1044 GetRequests, 1009 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 140 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 920 PreInvPairs, 951 NumberOfFragments, 1444 HoareAnnotationTreeSize, 920 FomulaSimplifications, 1225 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 2846 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 881 NumberOfCodeBlocks, 881 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1031 ConstructedInterpolants, 0 QuantifiedInterpolants, 262915 SizeOfPredicates, 21 NumberOfNonLiveVariables, 6592 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 366/368 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...