/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:24:43,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:24:43,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:24:43,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:24:43,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:24:43,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:24:43,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:24:43,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:24:43,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:24:43,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:24:43,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:24:43,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:24:43,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:24:43,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:24:43,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:24:43,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:24:43,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:24:43,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:24:43,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:24:43,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:24:43,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:24:43,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:24:43,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:24:43,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:24:43,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:24:43,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:24:43,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:24:43,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:24:43,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:24:43,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:24:43,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:24:43,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:24:43,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:24:43,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:24:43,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:24:43,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:24:43,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:24:43,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:24:43,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:24:43,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:24:43,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:24:43,935 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 16:24:43,970 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:24:43,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:24:43,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:24:43,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:24:43,972 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:24:43,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:24:43,973 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:24:43,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:24:43,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:24:43,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:24:43,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:24:43,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:24:43,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:24:43,974 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:24:43,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:24:43,974 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:24:43,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:24:43,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:24:43,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:24:43,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:24:43,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:24:43,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:24:43,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:24:43,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:24:43,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:24:43,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:24:43,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:43,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:24:43,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:24:43,977 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:24:44,286 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:24:44,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:24:44,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:24:44,312 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:24:44,313 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:24:44,313 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-07-20 16:24:44,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c118bb5/39b6998fa97845288806e0dceec91748/FLAG807937b82 [2020-07-20 16:24:44,904 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:24:44,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-07-20 16:24:44,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c118bb5/39b6998fa97845288806e0dceec91748/FLAG807937b82 [2020-07-20 16:24:45,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58c118bb5/39b6998fa97845288806e0dceec91748 [2020-07-20 16:24:45,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:24:45,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:24:45,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:45,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:24:45,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:24:45,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:45" (1/1) ... [2020-07-20 16:24:45,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8dcced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:45, skipping insertion in model container [2020-07-20 16:24:45,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:24:45" (1/1) ... [2020-07-20 16:24:45,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:24:45,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:24:45,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:45,945 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:24:46,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:24:46,063 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:24:46,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46 WrapperNode [2020-07-20 16:24:46,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:24:46,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:24:46,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:24:46,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:24:46,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46" (1/1) ... [2020-07-20 16:24:46,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46" (1/1) ... [2020-07-20 16:24:46,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46" (1/1) ... [2020-07-20 16:24:46,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46" (1/1) ... [2020-07-20 16:24:46,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46" (1/1) ... [2020-07-20 16:24:46,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46" (1/1) ... [2020-07-20 16:24:46,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46" (1/1) ... [2020-07-20 16:24:46,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:24:46,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:24:46,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:24:46,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:24:46,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46" (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 16:24:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:24:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:24:46,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:24:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:24:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:24:46,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:24:46,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:24:46,213 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:24:46,213 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:24:46,213 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:24:46,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:24:46,214 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:24:46,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:24:46,214 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:24:46,215 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:24:46,215 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:24:46,215 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-20 16:24:46,216 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:24:46,216 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:24:46,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:24:46,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:24:46,217 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:24:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:24:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:24:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:24:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:24:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:24:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:24:46,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:24:46,219 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:24:46,219 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:24:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:24:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:24:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:24:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:24:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:24:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:24:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:24:46,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:24:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:24:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:24:46,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:24:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:24:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:24:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:24:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:24:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:24:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:24:46,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:24:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:24:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:24:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:24:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:24:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:24:46,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:24:46,223 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:24:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:24:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:24:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-20 16:24:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:24:46,224 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:24:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:24:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:24:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:24:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:24:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:24:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:24:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:24:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:24:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:24:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:24:47,283 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:24:47,284 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:24:47,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:47 BoogieIcfgContainer [2020-07-20 16:24:47,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:24:47,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:24:47,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:24:47,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:24:47,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:24:45" (1/3) ... [2020-07-20 16:24:47,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49545e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:47, skipping insertion in model container [2020-07-20 16:24:47,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:24:46" (2/3) ... [2020-07-20 16:24:47,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49545e9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:24:47, skipping insertion in model container [2020-07-20 16:24:47,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:24:47" (3/3) ... [2020-07-20 16:24:47,300 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2020-07-20 16:24:47,311 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:24:47,319 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:24:47,330 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:24:47,355 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:24:47,356 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:24:47,356 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:24:47,356 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:24:47,356 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:24:47,357 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:24:47,357 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:24:47,357 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:24:47,377 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-07-20 16:24:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:24:47,385 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:47,385 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] [2020-07-20 16:24:47,386 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:47,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:47,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1141825369, now seen corresponding path program 1 times [2020-07-20 16:24:47,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:47,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1942145908] [2020-07-20 16:24:47,401 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:24:47,886 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:47,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:47,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:24:47,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:47,933 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 16:24:47,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:47,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1942145908] [2020-07-20 16:24:47,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:47,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:24:47,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081382729] [2020-07-20 16:24:47,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:24:47,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:47,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:24:47,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:24:47,961 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-07-20 16:24:48,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:48,002 INFO L93 Difference]: Finished difference Result 162 states and 205 transitions. [2020-07-20 16:24:48,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:24:48,004 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:24:48,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:48,020 INFO L225 Difference]: With dead ends: 162 [2020-07-20 16:24:48,021 INFO L226 Difference]: Without dead ends: 81 [2020-07-20 16:24:48,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 16:24:48,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-07-20 16:24:48,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-07-20 16:24:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-07-20 16:24:48,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-07-20 16:24:48,070 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-07-20 16:24:48,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:48,070 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-07-20 16:24:48,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:24:48,070 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-07-20 16:24:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:24:48,073 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:48,074 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] [2020-07-20 16:24:48,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:48,288 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:48,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:48,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1674217379, now seen corresponding path program 1 times [2020-07-20 16:24:48,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:48,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87642465] [2020-07-20 16:24:48,291 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:24:48,748 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:48,749 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:48,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:24:48,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:48,811 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 16:24:48,811 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:48,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87642465] [2020-07-20 16:24:48,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:48,812 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:48,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815254690] [2020-07-20 16:24:48,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:48,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:48,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:48,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:48,816 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 3 states. [2020-07-20 16:24:48,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:48,848 INFO L93 Difference]: Finished difference Result 111 states and 127 transitions. [2020-07-20 16:24:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:48,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:24:48,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:48,851 INFO L225 Difference]: With dead ends: 111 [2020-07-20 16:24:48,851 INFO L226 Difference]: Without dead ends: 72 [2020-07-20 16:24:48,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 16:24:48,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-20 16:24:48,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-20 16:24:48,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-20 16:24:48,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2020-07-20 16:24:48,871 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 47 [2020-07-20 16:24:48,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:48,871 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2020-07-20 16:24:48,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2020-07-20 16:24:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:24:48,873 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:48,874 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 16:24:49,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:49,088 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:49,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:49,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1654524971, now seen corresponding path program 1 times [2020-07-20 16:24:49,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:49,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [76095213] [2020-07-20 16:24:49,089 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:24:49,454 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:49,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:49,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:24:49,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:49,489 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 16:24:49,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:49,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [76095213] [2020-07-20 16:24:49,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:49,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:49,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156732489] [2020-07-20 16:24:49,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:49,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:49,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:49,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:49,492 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand 3 states. [2020-07-20 16:24:49,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:49,503 INFO L93 Difference]: Finished difference Result 120 states and 141 transitions. [2020-07-20 16:24:49,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:49,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 16:24:49,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:49,505 INFO L225 Difference]: With dead ends: 120 [2020-07-20 16:24:49,505 INFO L226 Difference]: Without dead ends: 72 [2020-07-20 16:24:49,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 16:24:49,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-07-20 16:24:49,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-07-20 16:24:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-07-20 16:24:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-07-20 16:24:49,514 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 51 [2020-07-20 16:24:49,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:49,515 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-07-20 16:24:49,515 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:49,515 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-07-20 16:24:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-20 16:24:49,517 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:49,517 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] [2020-07-20 16:24:49,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:49,733 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:49,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:49,734 INFO L82 PathProgramCache]: Analyzing trace with hash 905199539, now seen corresponding path program 1 times [2020-07-20 16:24:49,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:49,735 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236602187] [2020-07-20 16:24:49,735 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:24:50,153 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:24:50,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:50,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 16:24:50,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:50,226 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 16:24:50,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:50,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236602187] [2020-07-20 16:24:50,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:50,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:24:50,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140932691] [2020-07-20 16:24:50,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:24:50,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:50,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:24:50,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:24:50,229 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 6 states. [2020-07-20 16:24:50,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:50,427 INFO L93 Difference]: Finished difference Result 157 states and 190 transitions. [2020-07-20 16:24:50,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:24:50,428 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-07-20 16:24:50,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:50,435 INFO L225 Difference]: With dead ends: 157 [2020-07-20 16:24:50,437 INFO L226 Difference]: Without dead ends: 109 [2020-07-20 16:24:50,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:24:50,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-20 16:24:50,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-07-20 16:24:50,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-20 16:24:50,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 128 transitions. [2020-07-20 16:24:50,478 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 128 transitions. Word has length 54 [2020-07-20 16:24:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:50,479 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 128 transitions. [2020-07-20 16:24:50,479 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:24:50,480 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 128 transitions. [2020-07-20 16:24:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 16:24:50,483 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:24:50,483 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] [2020-07-20 16:24:50,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:50,699 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:24:50,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:24:50,700 INFO L82 PathProgramCache]: Analyzing trace with hash 526840461, now seen corresponding path program 1 times [2020-07-20 16:24:50,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:24:50,701 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316773333] [2020-07-20 16:24:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) 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 16:24:51,087 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:24:51,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:24:51,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:24:51,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:24:51,124 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 16:24:51,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:24:51,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316773333] [2020-07-20 16:24:51,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:24:51,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:24:51,126 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678918617] [2020-07-20 16:24:51,127 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:24:51,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:24:51,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:24:51,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:24:51,128 INFO L87 Difference]: Start difference. First operand 109 states and 128 transitions. Second operand 3 states. [2020-07-20 16:24:51,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:24:51,143 INFO L93 Difference]: Finished difference Result 144 states and 171 transitions. [2020-07-20 16:24:51,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:24:51,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-07-20 16:24:51,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:24:51,145 INFO L225 Difference]: With dead ends: 144 [2020-07-20 16:24:51,145 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:24:51,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 16:24:51,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:24:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:24:51,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:24:51,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:24:51,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-07-20 16:24:51,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:24:51,151 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:24:51,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:24:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:24:51,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:24:51,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:24:51,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:24:51,994 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:24:51,994 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:24:51,995 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 16:24:51,995 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 16:24:51,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:24:51,995 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:24:51,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:24:51,995 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:24:51,995 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 16:24:51,996 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 16:24:51,996 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:24:51,996 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:24:51,996 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:24:51,996 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 16:24:51,996 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:24:51,996 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 16:24:51,997 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:24:51,997 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 16:24:51,997 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 744 750) the Hoare annotation is: true [2020-07-20 16:24:51,997 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 744 750) no Hoare annotation was computed. [2020-07-20 16:24:51,997 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 751 759) no Hoare annotation was computed. [2020-07-20 16:24:51,998 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 751 759) the Hoare annotation is: true [2020-07-20 16:24:51,998 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 751 759) no Hoare annotation was computed. [2020-07-20 16:24:51,998 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-07-20 16:24:51,998 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-07-20 16:24:51,998 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:24:51,998 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-07-20 16:24:51,999 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:24:51,999 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-07-20 16:24:51,999 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-07-20 16:24:51,999 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-07-20 16:24:51,999 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-20 16:24:51,999 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 16:24:51,999 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 833 855) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,000 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 833 855) no Hoare annotation was computed. [2020-07-20 16:24:52,000 INFO L264 CegarLoopResult]: At program point L845(line 845) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,000 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 833 855) no Hoare annotation was computed. [2020-07-20 16:24:52,000 INFO L264 CegarLoopResult]: At program point L845-1(line 845) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,000 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-07-20 16:24:52,000 INFO L268 CegarLoopResult]: For program point L843-1(lines 843 850) no Hoare annotation was computed. [2020-07-20 16:24:52,001 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-20 16:24:52,001 INFO L264 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,001 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,001 INFO L264 CegarLoopResult]: At program point L839-1(line 839) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,001 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-20 16:24:52,001 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-20 16:24:52,001 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 792 815) no Hoare annotation was computed. [2020-07-20 16:24:52,002 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-20 16:24:52,002 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-20 16:24:52,002 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-20 16:24:52,002 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 792 815) no Hoare annotation was computed. [2020-07-20 16:24:52,002 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 792 815) no Hoare annotation was computed. [2020-07-20 16:24:52,002 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-20 16:24:52,003 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-07-20 16:24:52,003 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-07-20 16:24:52,003 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-20 16:24:52,003 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 16:24:52,003 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-20 16:24:52,003 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 16:24:52,003 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-20 16:24:52,003 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-20 16:24:52,004 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 632 639) no Hoare annotation was computed. [2020-07-20 16:24:52,004 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 632 639) no Hoare annotation was computed. [2020-07-20 16:24:52,004 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 632 639) no Hoare annotation was computed. [2020-07-20 16:24:52,004 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 677 685) no Hoare annotation was computed. [2020-07-20 16:24:52,004 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 677 685) the Hoare annotation is: true [2020-07-20 16:24:52,004 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 677 685) no Hoare annotation was computed. [2020-07-20 16:24:52,004 INFO L268 CegarLoopResult]: For program point L705(lines 705 713) no Hoare annotation was computed. [2020-07-20 16:24:52,005 INFO L268 CegarLoopResult]: For program point L705-2(lines 705 713) no Hoare annotation was computed. [2020-07-20 16:24:52,005 INFO L268 CegarLoopResult]: For program point L693(lines 693 701) no Hoare annotation was computed. [2020-07-20 16:24:52,005 INFO L268 CegarLoopResult]: For program point L693-2(lines 693 701) no Hoare annotation was computed. [2020-07-20 16:24:52,005 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 686 721) no Hoare annotation was computed. [2020-07-20 16:24:52,005 INFO L268 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-07-20 16:24:52,005 INFO L268 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-07-20 16:24:52,005 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 686 721) no Hoare annotation was computed. [2020-07-20 16:24:52,006 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 686 721) no Hoare annotation was computed. [2020-07-20 16:24:52,006 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 737 743) no Hoare annotation was computed. [2020-07-20 16:24:52,006 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 737 743) the Hoare annotation is: true [2020-07-20 16:24:52,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:24:52,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:24:52,007 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:24:52,007 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 16:24:52,007 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:24:52,007 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:24:52,007 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:24:52,007 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:24:52,007 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:24:52,008 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 823 832) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,008 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 823 832) no Hoare annotation was computed. [2020-07-20 16:24:52,008 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 823 832) no Hoare annotation was computed. [2020-07-20 16:24:52,008 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 666 676) no Hoare annotation was computed. [2020-07-20 16:24:52,008 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-07-20 16:24:52,008 INFO L268 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-07-20 16:24:52,008 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 666 676) no Hoare annotation was computed. [2020-07-20 16:24:52,008 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 666 676) no Hoare annotation was computed. [2020-07-20 16:24:52,009 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 658 665) no Hoare annotation was computed. [2020-07-20 16:24:52,009 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 658 665) no Hoare annotation was computed. [2020-07-20 16:24:52,009 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 658 665) no Hoare annotation was computed. [2020-07-20 16:24:52,009 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 625 631) no Hoare annotation was computed. [2020-07-20 16:24:52,009 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 625 631) the Hoare annotation is: true [2020-07-20 16:24:52,010 INFO L268 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-07-20 16:24:52,010 INFO L264 CegarLoopResult]: At program point testENTRY(lines 530 593) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,010 INFO L264 CegarLoopResult]: At program point L576-2(lines 570 581) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,010 INFO L268 CegarLoopResult]: For program point L541(lines 540 585) no Hoare annotation was computed. [2020-07-20 16:24:52,010 INFO L268 CegarLoopResult]: For program point L570(lines 570 581) no Hoare annotation was computed. [2020-07-20 16:24:52,010 INFO L268 CegarLoopResult]: For program point testFINAL(lines 530 593) no Hoare annotation was computed. [2020-07-20 16:24:52,010 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,011 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-07-20 16:24:52,011 INFO L268 CegarLoopResult]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2020-07-20 16:24:52,011 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,011 INFO L264 CegarLoopResult]: At program point L583(lines 540 585) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (<= 1 ~waterLevel~0) (<= test_~splverifierCounter~0 0)) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,011 INFO L268 CegarLoopResult]: For program point L550(lines 550 556) no Hoare annotation was computed. [2020-07-20 16:24:52,011 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2020-07-20 16:24:52,011 INFO L268 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-07-20 16:24:52,012 INFO L264 CegarLoopResult]: At program point L586(lines 539 587) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:24:52,012 INFO L268 CegarLoopResult]: For program point testEXIT(lines 530 593) no Hoare annotation was computed. [2020-07-20 16:24:52,012 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:24:52,012 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:24:52,012 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:24:52,012 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 16:24:52,012 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:24:52,013 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:24:52,013 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 495 517) no Hoare annotation was computed. [2020-07-20 16:24:52,013 INFO L268 CegarLoopResult]: For program point L503(lines 503 511) no Hoare annotation was computed. [2020-07-20 16:24:52,013 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 495 517) no Hoare annotation was computed. [2020-07-20 16:24:52,013 INFO L268 CegarLoopResult]: For program point L503-2(lines 503 511) no Hoare annotation was computed. [2020-07-20 16:24:52,013 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 495 517) no Hoare annotation was computed. [2020-07-20 16:24:52,013 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 16:24:52,014 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:24:52,014 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 16:24:52,014 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 16:24:52,014 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 16:24:52,014 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 16:24:52,014 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:24:52,014 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:24:52,014 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:24:52,015 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 16:24:52,015 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:24:52,015 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 16:24:52,015 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:24:52,015 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:24:52,015 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 16:24:52,015 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 16:24:52,016 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 727 736) no Hoare annotation was computed. [2020-07-20 16:24:52,016 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 727 736) no Hoare annotation was computed. [2020-07-20 16:24:52,016 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 727 736) no Hoare annotation was computed. [2020-07-20 16:24:52,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:52,016 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:24:52,016 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:52,016 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-07-20 16:24:52,016 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 641 657) no Hoare annotation was computed. [2020-07-20 16:24:52,017 INFO L268 CegarLoopResult]: For program point L652-1(lines 641 657) no Hoare annotation was computed. [2020-07-20 16:24:52,017 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 641 657) no Hoare annotation was computed. [2020-07-20 16:24:52,017 INFO L268 CegarLoopResult]: For program point L648(lines 648 654) no Hoare annotation was computed. [2020-07-20 16:24:52,017 INFO L268 CegarLoopResult]: For program point L646(line 646) no Hoare annotation was computed. [2020-07-20 16:24:52,017 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-07-20 16:24:52,017 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 518 526) the Hoare annotation is: true [2020-07-20 16:24:52,018 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 518 526) no Hoare annotation was computed. [2020-07-20 16:24:52,018 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 518 526) no Hoare annotation was computed. [2020-07-20 16:24:52,018 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:52,018 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:24:52,018 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:52,018 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-07-20 16:24:52,018 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 474 485) the Hoare annotation is: true [2020-07-20 16:24:52,018 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 474 485) no Hoare annotation was computed. [2020-07-20 16:24:52,019 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 486 494) no Hoare annotation was computed. [2020-07-20 16:24:52,019 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 486 494) no Hoare annotation was computed. [2020-07-20 16:24:52,019 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 486 494) no Hoare annotation was computed. [2020-07-20 16:24:52,019 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 16:24:52,019 INFO L268 CegarLoopResult]: For program point L605(lines 604 623) no Hoare annotation was computed. [2020-07-20 16:24:52,019 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 601 624) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,019 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 601 624) no Hoare annotation was computed. [2020-07-20 16:24:52,019 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 601 624) no Hoare annotation was computed. [2020-07-20 16:24:52,020 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,020 INFO L264 CegarLoopResult]: At program point L612(lines 612 618) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,020 INFO L271 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: true [2020-07-20 16:24:52,020 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 762 791) no Hoare annotation was computed. [2020-07-20 16:24:52,020 INFO L268 CegarLoopResult]: For program point L768-1(line 768) no Hoare annotation was computed. [2020-07-20 16:24:52,020 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 762 791) the Hoare annotation is: true [2020-07-20 16:24:52,021 INFO L271 CegarLoopResult]: At program point L787(lines 762 791) the Hoare annotation is: true [2020-07-20 16:24:52,021 INFO L268 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-07-20 16:24:52,021 INFO L268 CegarLoopResult]: For program point L776(lines 776 780) no Hoare annotation was computed. [2020-07-20 16:24:52,021 INFO L271 CegarLoopResult]: At program point L776-1(lines 776 780) the Hoare annotation is: true [2020-07-20 16:24:52,021 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-07-20 16:24:52,021 INFO L271 CegarLoopResult]: At program point L772-2(lines 772 786) the Hoare annotation is: true [2020-07-20 16:24:52,021 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 450 461) the Hoare annotation is: true [2020-07-20 16:24:52,021 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 450 461) no Hoare annotation was computed. [2020-07-20 16:24:52,022 INFO L268 CegarLoopResult]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2020-07-20 16:24:52,022 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 816 822) no Hoare annotation was computed. [2020-07-20 16:24:52,022 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 816 822) the Hoare annotation is: true [2020-07-20 16:24:52,022 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:24:52,022 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:24:52,022 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:24:52,022 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:24:52,023 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-07-20 16:24:52,023 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 462 473) no Hoare annotation was computed. [2020-07-20 16:24:52,023 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 462 473) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 16:24:52,023 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-20 16:24:52,023 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-20 16:24:52,023 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-20 16:24:52,024 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-20 16:24:52,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:24:52 BoogieIcfgContainer [2020-07-20 16:24:52,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:24:52,048 INFO L168 Benchmark]: Toolchain (without parser) took 6748.06 ms. Allocated memory was 145.8 MB in the beginning and 278.4 MB in the end (delta: 132.6 MB). Free memory was 102.3 MB in the beginning and 179.0 MB in the end (delta: -76.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:52,049 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:24:52,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.08 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 171.3 MB in the end (delta: -69.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:52,052 INFO L168 Benchmark]: Boogie Preprocessor took 83.03 ms. Allocated memory is still 202.9 MB. Free memory was 171.3 MB in the beginning and 167.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:52,053 INFO L168 Benchmark]: RCFGBuilder took 1141.60 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.4 MB in the beginning and 200.3 MB in the end (delta: -33.0 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:52,054 INFO L168 Benchmark]: TraceAbstraction took 4753.62 ms. Allocated memory was 236.5 MB in the beginning and 278.4 MB in the end (delta: 41.9 MB). Free memory was 200.3 MB in the beginning and 179.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:24:52,065 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.08 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 101.9 MB in the beginning and 171.3 MB in the end (delta: -69.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.03 ms. Allocated memory is still 202.9 MB. Free memory was 171.3 MB in the beginning and 167.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1141.60 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 167.4 MB in the beginning and 200.3 MB in the end (delta: -33.0 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4753.62 ms. Allocated memory was 236.5 MB in the beginning and 278.4 MB in the end (delta: 41.9 MB). Free memory was 200.3 MB in the beginning and 179.0 MB in the end (delta: 21.3 MB). Peak memory consumption was 118.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((!(1 <= systemActive) || (1 <= waterLevel && splverifierCounter <= 0)) || !(0 == pumpRunning)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(1 <= \old(waterLevel))) || !(1 <= systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 414 SDtfs, 116 SDslu, 319 SDs, 0 SdLazy, 58 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 253 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 140 PreInvPairs, 147 NumberOfFragments, 353 HoareAnnotationTreeSize, 140 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 40 FomulaSimplificationsInter, 306 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 256 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 24919 SizeOfPredicates, 9 NumberOfNonLiveVariables, 3075 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...