/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_spec5_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:38:10,834 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:38:10,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:38:10,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:38:10,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:38:10,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:38:10,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:38:10,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:38:10,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:38:10,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:38:10,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:38:10,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:38:10,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:38:10,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:38:10,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:38:10,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:38:10,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:38:10,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:38:10,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:38:10,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:38:10,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:38:10,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:38:10,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:38:10,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:38:10,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:38:10,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:38:10,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:38:10,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:38:10,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:38:10,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:38:10,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:38:10,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:38:10,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:38:10,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:38:10,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:38:10,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:38:10,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:38:10,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:38:10,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:38:10,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:38:10,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:38:10,883 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 [2020-07-21 10:38:10,897 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:38:10,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:38:10,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:38:10,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:38:10,899 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:38:10,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:38:10,899 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:38:10,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:38:10,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:38:10,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:38:10,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:38:10,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:38:10,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:38:10,900 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:38:10,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:38:10,901 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:38:10,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:38:10,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:38:10,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:38:10,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:38:10,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:38:10,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:38:10,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:38:10,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:38:10,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:38:10,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:38:10,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:10,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:38:10,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:38:10,903 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 [2020-07-21 10:38:11,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:38:11,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:38:11,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:38:11,198 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:38:11,198 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:38:11,199 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2020-07-21 10:38:11,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921bace75/2426a0302ca143349bb7c8d1544c7254/FLAGd58dc4ac7 [2020-07-21 10:38:11,800 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:38:11,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2020-07-21 10:38:11,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921bace75/2426a0302ca143349bb7c8d1544c7254/FLAGd58dc4ac7 [2020-07-21 10:38:12,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/921bace75/2426a0302ca143349bb7c8d1544c7254 [2020-07-21 10:38:12,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:38:12,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:38:12,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:12,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:38:12,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:38:12,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:12" (1/1) ... [2020-07-21 10:38:12,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35aee97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12, skipping insertion in model container [2020-07-21 10:38:12,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:12" (1/1) ... [2020-07-21 10:38:12,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:38:12,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:38:12,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:12,671 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:38:12,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:12,774 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:38:12,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12 WrapperNode [2020-07-21 10:38:12,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:12,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:38:12,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:38:12,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:38:12,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12" (1/1) ... [2020-07-21 10:38:12,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12" (1/1) ... [2020-07-21 10:38:12,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12" (1/1) ... [2020-07-21 10:38:12,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12" (1/1) ... [2020-07-21 10:38:12,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12" (1/1) ... [2020-07-21 10:38:12,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12" (1/1) ... [2020-07-21 10:38:12,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12" (1/1) ... [2020-07-21 10:38:12,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:38:12,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:38:12,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:38:12,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:38:12,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12" (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 [2020-07-21 10:38:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:38:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:38:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:38:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:12,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:38:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:38:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:38:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:38:12,930 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:38:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:38:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:38:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:38:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:38:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:38:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:38:12,931 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:38:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:38:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:38:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:38:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:38:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:38:12,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:38:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:38:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:38:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:38:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:12,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:38:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:38:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:38:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:38:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:38:12,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:38:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:38:12,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:38:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:38:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:38:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:38:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:38:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:38:12,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:38:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:38:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:38:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:38:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:38:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:38:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:38:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:38:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:38:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:38:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:38:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:38:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:38:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:38:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:38:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:38:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:38:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:38:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:38:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:38:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:38:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:38:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:38:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:38:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:38:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:38:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:38:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:38:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:38:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:38:12,940 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:38:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:38:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:38:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:38:12,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:38:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:38:12,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:38:13,915 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:38:13,916 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:38:13,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:13 BoogieIcfgContainer [2020-07-21 10:38:13,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:38:13,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:38:13,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:38:13,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:38:13,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:38:12" (1/3) ... [2020-07-21 10:38:13,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5769f554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:13, skipping insertion in model container [2020-07-21 10:38:13,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:12" (2/3) ... [2020-07-21 10:38:13,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5769f554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:13, skipping insertion in model container [2020-07-21 10:38:13,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:13" (3/3) ... [2020-07-21 10:38:13,928 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2020-07-21 10:38:13,938 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:38:13,945 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:38:13,959 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:38:13,982 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:38:13,982 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:38:13,982 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:38:13,983 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:38:13,983 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:38:13,983 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:38:13,983 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:38:13,983 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:38:14,005 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-07-21 10:38:14,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:38:14,014 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:14,015 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:38:14,016 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:14,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:14,022 INFO L82 PathProgramCache]: Analyzing trace with hash -471941416, now seen corresponding path program 1 times [2020-07-21 10:38:14,029 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:14,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530020641] [2020-07-21 10:38:14,030 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 [2020-07-21 10:38:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:14,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:38:14,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:38:14,338 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:14,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1530020641] [2020-07-21 10:38:14,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:14,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:38:14,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650694909] [2020-07-21 10:38:14,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:38:14,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:14,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:38:14,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:14,363 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2020-07-21 10:38:14,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:14,399 INFO L93 Difference]: Finished difference Result 196 states and 245 transitions. [2020-07-21 10:38:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:38:14,401 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:38:14,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:14,412 INFO L225 Difference]: With dead ends: 196 [2020-07-21 10:38:14,412 INFO L226 Difference]: Without dead ends: 100 [2020-07-21 10:38:14,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:14,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-07-21 10:38:14,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-07-21 10:38:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-07-21 10:38:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions. [2020-07-21 10:38:14,471 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 59 [2020-07-21 10:38:14,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:14,471 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 116 transitions. [2020-07-21 10:38:14,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:38:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions. [2020-07-21 10:38:14,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:38:14,475 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:14,475 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:38:14,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:14,690 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:14,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:14,692 INFO L82 PathProgramCache]: Analyzing trace with hash -556466294, now seen corresponding path program 1 times [2020-07-21 10:38:14,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:14,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405496272] [2020-07-21 10:38:14,693 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 [2020-07-21 10:38:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:14,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:38:14,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:38:14,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:14,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405496272] [2020-07-21 10:38:14,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:14,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:14,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612165941] [2020-07-21 10:38:15,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:15,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:15,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:15,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:15,008 INFO L87 Difference]: Start difference. First operand 100 states and 116 transitions. Second operand 3 states. [2020-07-21 10:38:15,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:15,029 INFO L93 Difference]: Finished difference Result 136 states and 157 transitions. [2020-07-21 10:38:15,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:15,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:38:15,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:15,032 INFO L225 Difference]: With dead ends: 136 [2020-07-21 10:38:15,032 INFO L226 Difference]: Without dead ends: 91 [2020-07-21 10:38:15,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:15,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-07-21 10:38:15,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-07-21 10:38:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-21 10:38:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 104 transitions. [2020-07-21 10:38:15,045 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 104 transitions. Word has length 60 [2020-07-21 10:38:15,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:15,045 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 104 transitions. [2020-07-21 10:38:15,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2020-07-21 10:38:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 10:38:15,048 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:15,048 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:38:15,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:15,262 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:15,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:15,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1643529997, now seen corresponding path program 1 times [2020-07-21 10:38:15,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:15,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640606863] [2020-07-21 10:38:15,263 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 [2020-07-21 10:38:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:15,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:38:15,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:15,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:15,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:15,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640606863] [2020-07-21 10:38:15,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:15,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:15,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182205393] [2020-07-21 10:38:15,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:15,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:15,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:15,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:15,479 INFO L87 Difference]: Start difference. First operand 91 states and 104 transitions. Second operand 3 states. [2020-07-21 10:38:15,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:15,506 INFO L93 Difference]: Finished difference Result 215 states and 256 transitions. [2020-07-21 10:38:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:15,508 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 10:38:15,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:15,513 INFO L225 Difference]: With dead ends: 215 [2020-07-21 10:38:15,513 INFO L226 Difference]: Without dead ends: 152 [2020-07-21 10:38:15,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:15,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-07-21 10:38:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 142. [2020-07-21 10:38:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-07-21 10:38:15,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2020-07-21 10:38:15,534 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 64 [2020-07-21 10:38:15,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:15,535 INFO L479 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2020-07-21 10:38:15,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2020-07-21 10:38:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-21 10:38:15,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:15,538 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 10:38:15,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:15,752 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:15,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:15,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2060052563, now seen corresponding path program 1 times [2020-07-21 10:38:15,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:15,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [301474789] [2020-07-21 10:38:15,754 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 [2020-07-21 10:38:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:15,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:38:15,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:15,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:15,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:15,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [301474789] [2020-07-21 10:38:15,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:15,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:15,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737418750] [2020-07-21 10:38:15,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:15,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:15,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:15,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:15,972 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 6 states. [2020-07-21 10:38:16,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:16,204 INFO L93 Difference]: Finished difference Result 243 states and 295 transitions. [2020-07-21 10:38:16,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:38:16,205 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2020-07-21 10:38:16,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:16,206 INFO L225 Difference]: With dead ends: 243 [2020-07-21 10:38:16,206 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:38:16,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:38:16,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:38:16,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:38:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:38:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:38:16,209 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2020-07-21 10:38:16,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:16,209 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:38:16,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:38:16,210 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:38:16,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:16,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:38:16,848 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 10:38:16,848 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-07-21 10:38:16,848 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-07-21 10:38:16,848 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-07-21 10:38:16,848 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-07-21 10:38:16,849 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-21 10:38:16,849 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-07-21 10:38:16,849 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-07-21 10:38:16,849 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-21 10:38:16,849 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-07-21 10:38:16,849 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 10:38:16,849 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-07-21 10:38:16,850 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-07-21 10:38:16,850 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-07-21 10:38:16,850 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-07-21 10:38:16,850 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-21 10:38:16,850 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-07-21 10:38:16,850 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-21 10:38:16,851 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2020-07-21 10:38:16,851 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2020-07-21 10:38:16,851 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2020-07-21 10:38:16,851 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2020-07-21 10:38:16,851 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2020-07-21 10:38:16,851 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 759 766) the Hoare annotation is: true [2020-07-21 10:38:16,851 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 759 766) no Hoare annotation was computed. [2020-07-21 10:38:16,852 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 759 766) no Hoare annotation was computed. [2020-07-21 10:38:16,852 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 767 776) the Hoare annotation is: true [2020-07-21 10:38:16,852 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 767 776) no Hoare annotation was computed. [2020-07-21 10:38:16,852 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 767 776) no Hoare annotation was computed. [2020-07-21 10:38:16,852 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-07-21 10:38:16,852 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 10:38:16,852 INFO L268 CegarLoopResult]: For program point L790(lines 790 796) no Hoare annotation was computed. [2020-07-21 10:38:16,853 INFO L268 CegarLoopResult]: For program point L789(lines 789 799) no Hoare annotation was computed. [2020-07-21 10:38:16,853 INFO L271 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: true [2020-07-21 10:38:16,853 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-21 10:38:16,853 INFO L268 CegarLoopResult]: For program point L785(lines 785 802) no Hoare annotation was computed. [2020-07-21 10:38:16,853 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 777 805) the Hoare annotation is: true [2020-07-21 10:38:16,853 INFO L268 CegarLoopResult]: For program point L785-1(lines 777 805) no Hoare annotation was computed. [2020-07-21 10:38:16,853 INFO L271 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: true [2020-07-21 10:38:16,854 INFO L268 CegarLoopResult]: For program point L783-1(line 783) no Hoare annotation was computed. [2020-07-21 10:38:16,854 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 777 805) no Hoare annotation was computed. [2020-07-21 10:38:16,854 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,854 INFO L264 CegarLoopResult]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,854 INFO L264 CegarLoopResult]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,855 INFO L268 CegarLoopResult]: For program point L507(lines 507 514) no Hoare annotation was computed. [2020-07-21 10:38:16,855 INFO L268 CegarLoopResult]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2020-07-21 10:38:16,855 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-21 10:38:16,855 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2020-07-21 10:38:16,855 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,855 INFO L264 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,856 INFO L264 CegarLoopResult]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,856 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2020-07-21 10:38:16,856 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2020-07-21 10:38:16,856 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2020-07-21 10:38:16,856 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2020-07-21 10:38:16,856 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-07-21 10:38:16,856 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 10:38:16,857 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-21 10:38:16,857 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-21 10:38:16,857 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 10:38:16,857 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-21 10:38:16,857 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-21 10:38:16,857 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 10:38:16,857 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-21 10:38:16,857 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-21 10:38:16,858 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 10:38:16,858 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 10:38:16,858 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-21 10:38:16,858 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 10:38:16,858 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 674 688) no Hoare annotation was computed. [2020-07-21 10:38:16,858 INFO L264 CegarLoopResult]: At program point L680(line 680) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:38:16,858 INFO L268 CegarLoopResult]: For program point L678(lines 678 684) no Hoare annotation was computed. [2020-07-21 10:38:16,859 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 674 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:16,859 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 674 688) no Hoare annotation was computed. [2020-07-21 10:38:16,859 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 629 637) no Hoare annotation was computed. [2020-07-21 10:38:16,859 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 629 637) the Hoare annotation is: true [2020-07-21 10:38:16,859 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 629 637) no Hoare annotation was computed. [2020-07-21 10:38:16,859 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-07-21 10:38:16,859 INFO L268 CegarLoopResult]: For program point L668-1(line 668) no Hoare annotation was computed. [2020-07-21 10:38:16,860 INFO L268 CegarLoopResult]: For program point L657(lines 657 665) no Hoare annotation was computed. [2020-07-21 10:38:16,860 INFO L268 CegarLoopResult]: For program point L657-2(lines 657 665) no Hoare annotation was computed. [2020-07-21 10:38:16,860 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 638 673) no Hoare annotation was computed. [2020-07-21 10:38:16,860 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 638 673) no Hoare annotation was computed. [2020-07-21 10:38:16,860 INFO L268 CegarLoopResult]: For program point L645(lines 645 653) no Hoare annotation was computed. [2020-07-21 10:38:16,860 INFO L268 CegarLoopResult]: For program point L645-2(lines 645 653) no Hoare annotation was computed. [2020-07-21 10:38:16,860 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 638 673) no Hoare annotation was computed. [2020-07-21 10:38:16,860 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2020-07-21 10:38:16,861 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2020-07-21 10:38:16,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-07-21 10:38:16,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-07-21 10:38:16,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-07-21 10:38:16,861 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-07-21 10:38:16,861 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-07-21 10:38:16,861 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-07-21 10:38:16,861 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-07-21 10:38:16,862 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-07-21 10:38:16,862 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-07-21 10:38:16,862 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,862 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2020-07-21 10:38:16,862 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,862 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2020-07-21 10:38:16,863 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 618 628) no Hoare annotation was computed. [2020-07-21 10:38:16,863 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-07-21 10:38:16,863 INFO L268 CegarLoopResult]: For program point L623-1(line 623) no Hoare annotation was computed. [2020-07-21 10:38:16,863 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 618 628) no Hoare annotation was computed. [2020-07-21 10:38:16,863 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 618 628) no Hoare annotation was computed. [2020-07-21 10:38:16,863 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 610 617) the Hoare annotation is: true [2020-07-21 10:38:16,863 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 610 617) no Hoare annotation was computed. [2020-07-21 10:38:16,864 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 610 617) no Hoare annotation was computed. [2020-07-21 10:38:16,864 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 595 601) no Hoare annotation was computed. [2020-07-21 10:38:16,864 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 595 601) the Hoare annotation is: true [2020-07-21 10:38:16,864 INFO L264 CegarLoopResult]: At program point testENTRY(lines 690 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,864 INFO L268 CegarLoopResult]: For program point L702(lines 702 706) no Hoare annotation was computed. [2020-07-21 10:38:16,864 INFO L268 CegarLoopResult]: For program point testFINAL(lines 690 755) no Hoare annotation was computed. [2020-07-21 10:38:16,865 INFO L264 CegarLoopResult]: At program point L748(lines 699 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,865 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,865 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-07-21 10:38:16,865 INFO L264 CegarLoopResult]: At program point L736-1(lines 730 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,865 INFO L268 CegarLoopResult]: For program point L701(lines 700 747) no Hoare annotation was computed. [2020-07-21 10:38:16,865 INFO L268 CegarLoopResult]: For program point L730(lines 730 743) no Hoare annotation was computed. [2020-07-21 10:38:16,866 INFO L264 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,866 INFO L268 CegarLoopResult]: For program point L720(lines 720 726) no Hoare annotation was computed. [2020-07-21 10:38:16,866 INFO L268 CegarLoopResult]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2020-07-21 10:38:16,866 INFO L264 CegarLoopResult]: At program point L745(lines 700 747) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,866 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:38:16,866 INFO L268 CegarLoopResult]: For program point L710(lines 710 716) no Hoare annotation was computed. [2020-07-21 10:38:16,866 INFO L268 CegarLoopResult]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2020-07-21 10:38:16,867 INFO L268 CegarLoopResult]: For program point testEXIT(lines 690 755) no Hoare annotation was computed. [2020-07-21 10:38:16,867 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-07-21 10:38:16,867 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-07-21 10:38:16,867 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-07-21 10:38:16,867 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-07-21 10:38:16,867 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-07-21 10:38:16,867 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-07-21 10:38:16,868 INFO L268 CegarLoopResult]: For program point L862(lines 862 870) no Hoare annotation was computed. [2020-07-21 10:38:16,868 INFO L268 CegarLoopResult]: For program point L862-2(lines 862 870) no Hoare annotation was computed. [2020-07-21 10:38:16,868 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 854 876) no Hoare annotation was computed. [2020-07-21 10:38:16,868 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 854 876) no Hoare annotation was computed. [2020-07-21 10:38:16,868 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 854 876) no Hoare annotation was computed. [2020-07-21 10:38:16,868 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-07-21 10:38:16,868 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-07-21 10:38:16,869 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-07-21 10:38:16,869 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-07-21 10:38:16,869 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-07-21 10:38:16,869 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-21 10:38:16,869 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-21 10:38:16,869 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-07-21 10:38:16,869 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-07-21 10:38:16,869 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-21 10:38:16,870 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-21 10:38:16,870 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-21 10:38:16,870 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-21 10:38:16,870 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-07-21 10:38:16,870 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-21 10:38:16,870 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-07-21 10:38:16,870 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2020-07-21 10:38:16,870 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 522 531) no Hoare annotation was computed. [2020-07-21 10:38:16,870 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2020-07-21 10:38:16,871 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:16,871 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:38:16,871 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:16,871 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 602 609) no Hoare annotation was computed. [2020-07-21 10:38:16,871 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 602 609) no Hoare annotation was computed. [2020-07-21 10:38:16,871 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 602 609) no Hoare annotation was computed. [2020-07-21 10:38:16,871 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 877 885) the Hoare annotation is: true [2020-07-21 10:38:16,871 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 877 885) no Hoare annotation was computed. [2020-07-21 10:38:16,872 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 877 885) no Hoare annotation was computed. [2020-07-21 10:38:16,872 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:16,872 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:38:16,872 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:16,872 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 833 844) the Hoare annotation is: true [2020-07-21 10:38:16,872 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 833 844) no Hoare annotation was computed. [2020-07-21 10:38:16,872 INFO L268 CegarLoopResult]: For program point L837-1(lines 833 844) no Hoare annotation was computed. [2020-07-21 10:38:16,872 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 10:38:16,872 INFO L268 CegarLoopResult]: For program point L575(lines 571 593) no Hoare annotation was computed. [2020-07-21 10:38:16,873 INFO L268 CegarLoopResult]: For program point L573(lines 571 593) no Hoare annotation was computed. [2020-07-21 10:38:16,873 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 568 594) the Hoare annotation is: true [2020-07-21 10:38:16,873 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 568 594) no Hoare annotation was computed. [2020-07-21 10:38:16,873 INFO L271 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: true [2020-07-21 10:38:16,873 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 568 594) no Hoare annotation was computed. [2020-07-21 10:38:16,873 INFO L271 CegarLoopResult]: At program point L582(lines 582 588) the Hoare annotation is: true [2020-07-21 10:38:16,873 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-07-21 10:38:16,874 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-07-21 10:38:16,874 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-07-21 10:38:16,874 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-21 10:38:16,874 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-21 10:38:16,874 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-07-21 10:38:16,874 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 10:38:16,874 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-07-21 10:38:16,874 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-21 10:38:16,875 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-21 10:38:16,875 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 845 853) no Hoare annotation was computed. [2020-07-21 10:38:16,875 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 845 853) no Hoare annotation was computed. [2020-07-21 10:38:16,875 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 845 853) no Hoare annotation was computed. [2020-07-21 10:38:16,875 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 809 820) the Hoare annotation is: true [2020-07-21 10:38:16,875 INFO L268 CegarLoopResult]: For program point L813-1(lines 809 820) no Hoare annotation was computed. [2020-07-21 10:38:16,875 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 809 820) no Hoare annotation was computed. [2020-07-21 10:38:16,876 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2020-07-21 10:38:16,876 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2020-07-21 10:38:16,876 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:16,876 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:38:16,876 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:38:16,876 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:16,876 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 821 832) no Hoare annotation was computed. [2020-07-21 10:38:16,876 INFO L268 CegarLoopResult]: For program point L825-1(lines 821 832) no Hoare annotation was computed. [2020-07-21 10:38:16,877 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 821 832) the Hoare annotation is: true [2020-07-21 10:38:16,877 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 10:38:16,877 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 10:38:16,877 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 10:38:16,877 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 10:38:16,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:38:16 BoogieIcfgContainer [2020-07-21 10:38:16,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:38:16,894 INFO L168 Benchmark]: Toolchain (without parser) took 4736.95 ms. Allocated memory was 143.7 MB in the beginning and 251.7 MB in the end (delta: 108.0 MB). Free memory was 99.7 MB in the beginning and 144.3 MB in the end (delta: -44.6 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:16,895 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:38:16,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.88 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.5 MB in the beginning and 168.6 MB in the end (delta: -69.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:16,897 INFO L168 Benchmark]: Boogie Preprocessor took 90.40 ms. Allocated memory is still 200.8 MB. Free memory was 168.6 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:16,898 INFO L168 Benchmark]: RCFGBuilder took 1054.84 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 164.3 MB in the beginning and 197.2 MB in the end (delta: -32.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:16,899 INFO L168 Benchmark]: TraceAbstraction took 2970.11 ms. Allocated memory was 230.7 MB in the beginning and 251.7 MB in the end (delta: 21.0 MB). Free memory was 195.8 MB in the beginning and 144.3 MB in the end (delta: 51.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:16,903 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.88 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 99.5 MB in the beginning and 168.6 MB in the end (delta: -69.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.40 ms. Allocated memory is still 200.8 MB. Free memory was 168.6 MB in the beginning and 164.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1054.84 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 164.3 MB in the beginning and 197.2 MB in the end (delta: -32.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2970.11 ms. Allocated memory was 230.7 MB in the beginning and 251.7 MB in the end (delta: 21.0 MB). Free memory was 195.8 MB in the beginning and 144.3 MB in the end (delta: 51.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 210 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 431 SDtfs, 137 SDslu, 377 SDs, 0 SdLazy, 59 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 168 PreInvPairs, 182 NumberOfFragments, 287 HoareAnnotationTreeSize, 168 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 47 FomulaSimplificationsInter, 383 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 23980 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2813 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...