/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_FUNCTIONS --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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:03:25,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:03:25,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:03:25,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:03:25,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:03:25,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:03:25,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:03:25,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:03:25,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:03:25,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:03:25,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:03:25,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:03:25,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:03:25,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:03:25,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:03:25,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:03:25,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:03:25,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:03:25,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:03:25,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:03:25,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:03:25,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:03:25,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:03:25,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:03:25,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:03:25,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:03:25,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:03:25,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:03:25,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:03:25,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:03:25,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:03:25,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:03:25,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:03:25,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:03:25,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:03:25,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:03:25,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:03:25,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:03:25,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:03:25,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:03:25,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:03:25,273 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 13:03:25,287 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:03:25,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:03:25,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:03:25,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:03:25,289 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:03:25,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:03:25,289 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:03:25,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:03:25,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:03:25,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:03:25,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:03:25,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:03:25,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:03:25,291 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:03:25,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:03:25,291 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:03:25,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:03:25,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:03:25,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:03:25,292 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:03:25,292 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:03:25,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:03:25,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:03:25,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:03:25,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:03:25,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:03:25,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:25,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:03:25,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:03:25,294 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_FUNCTIONS 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 13:03:25,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:03:25,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:03:25,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:03:25,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:03:25,589 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:03:25,590 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-07-20 13:03:25,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a15e5dd5/4b9f913d770b4e31881862db0391c17b/FLAGab99d373c [2020-07-20 13:03:26,209 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:03:26,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-07-20 13:03:26,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a15e5dd5/4b9f913d770b4e31881862db0391c17b/FLAGab99d373c [2020-07-20 13:03:26,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a15e5dd5/4b9f913d770b4e31881862db0391c17b [2020-07-20 13:03:26,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:03:26,596 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:03:26,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:26,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:03:26,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:03:26,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1226146e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:26, skipping insertion in model container [2020-07-20 13:03:26,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:03:26" (1/1) ... [2020-07-20 13:03:26,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:03:26,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:03:27,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:27,179 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:03:27,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:03:27,331 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:03:27,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27 WrapperNode [2020-07-20 13:03:27,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:03:27,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:03:27,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:03:27,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:03:27,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27" (1/1) ... [2020-07-20 13:03:27,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27" (1/1) ... [2020-07-20 13:03:27,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27" (1/1) ... [2020-07-20 13:03:27,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27" (1/1) ... [2020-07-20 13:03:27,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27" (1/1) ... [2020-07-20 13:03:27,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27" (1/1) ... [2020-07-20 13:03:27,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27" (1/1) ... [2020-07-20 13:03:27,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:03:27,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:03:27,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:03:27,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:03:27,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27" (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 13:03:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:03:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:03:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:03:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:03:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:03:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:03:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:03:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:03:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:03:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:03:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:03:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:03:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:03:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:03:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:03:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:03:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:03:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:03:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:03:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:03:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:03:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:03:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:03:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:03:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:03:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:03:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:03:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:03:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:03:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:03:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:03:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:03:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:03:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:03:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:03:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:03:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:03:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:03:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:03:27,506 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:03:27,507 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:03:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:03:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:03:27,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:03:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:03:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:03:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:03:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:03:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:03:27,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:03:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:03:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:03:27,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:03:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:03:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:03:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:03:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:03:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:03:27,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 13:03:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:03:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:03:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:03:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:03:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:03:27,512 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:03:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:03:27,513 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:03:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:03:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:03:27,514 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:03:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:03:27,515 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:03:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:03:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:03:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:03:27,516 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:03:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:03:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:03:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:03:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:03:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:03:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:03:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:03:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:03:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:03:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:03:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:03:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:03:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:03:28,682 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:03:28,682 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:03:28,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:28 BoogieIcfgContainer [2020-07-20 13:03:28,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:03:28,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:03:28,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:03:28,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:03:28,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:03:26" (1/3) ... [2020-07-20 13:03:28,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1577dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:28, skipping insertion in model container [2020-07-20 13:03:28,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:03:27" (2/3) ... [2020-07-20 13:03:28,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1577dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:03:28, skipping insertion in model container [2020-07-20 13:03:28,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:03:28" (3/3) ... [2020-07-20 13:03:28,695 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-07-20 13:03:28,706 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:03:28,714 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:03:28,728 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:03:28,754 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:03:28,754 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:03:28,754 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:03:28,754 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:03:28,755 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:03:28,755 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:03:28,755 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:03:28,755 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:03:28,778 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-07-20 13:03:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:03:28,788 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:28,789 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 13:03:28,790 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:28,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:28,796 INFO L82 PathProgramCache]: Analyzing trace with hash 613458754, now seen corresponding path program 1 times [2020-07-20 13:03:28,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:28,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069708398] [2020-07-20 13:03:28,806 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 13:03:29,281 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:29,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:29,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:03:29,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:29,324 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 13:03:29,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:29,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069708398] [2020-07-20 13:03:29,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:29,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:03:29,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795361619] [2020-07-20 13:03:29,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:03:29,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:29,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:03:29,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:03:29,349 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2020-07-20 13:03:29,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:29,390 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2020-07-20 13:03:29,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:03:29,391 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:03:29,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:29,405 INFO L225 Difference]: With dead ends: 228 [2020-07-20 13:03:29,406 INFO L226 Difference]: Without dead ends: 114 [2020-07-20 13:03:29,410 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 13:03:29,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-20 13:03:29,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-07-20 13:03:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-20 13:03:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-07-20 13:03:29,472 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-07-20 13:03:29,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:29,472 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-07-20 13:03:29,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:03:29,473 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-07-20 13:03:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:03:29,477 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:29,477 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 13:03:29,693 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:29,693 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:29,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:29,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1236074797, now seen corresponding path program 1 times [2020-07-20 13:03:29,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:29,694 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053463169] [2020-07-20 13:03:29,694 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 13:03:30,138 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:30,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:30,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:03:30,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:30,181 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 13:03:30,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:30,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053463169] [2020-07-20 13:03:30,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:30,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:30,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220804931] [2020-07-20 13:03:30,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:30,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:30,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:30,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:30,185 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2020-07-20 13:03:30,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:30,205 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2020-07-20 13:03:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:30,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:03:30,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:30,209 INFO L225 Difference]: With dead ends: 167 [2020-07-20 13:03:30,209 INFO L226 Difference]: Without dead ends: 105 [2020-07-20 13:03:30,210 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 13:03:30,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-07-20 13:03:30,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2020-07-20 13:03:30,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-20 13:03:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-07-20 13:03:30,227 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-07-20 13:03:30,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:30,227 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-07-20 13:03:30,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:30,228 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-07-20 13:03:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:03:30,233 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:30,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:30,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:30,448 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:30,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:30,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1340711329, now seen corresponding path program 1 times [2020-07-20 13:03:30,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:30,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902803542] [2020-07-20 13:03:30,450 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 13:03:30,879 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:30,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:30,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:03:30,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:30,928 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 13:03:30,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:30,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902803542] [2020-07-20 13:03:30,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:30,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:30,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067457701] [2020-07-20 13:03:30,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:30,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:30,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:30,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:30,931 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 3 states. [2020-07-20 13:03:30,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:30,958 INFO L93 Difference]: Finished difference Result 263 states and 314 transitions. [2020-07-20 13:03:30,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:30,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:03:30,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:30,963 INFO L225 Difference]: With dead ends: 263 [2020-07-20 13:03:30,963 INFO L226 Difference]: Without dead ends: 182 [2020-07-20 13:03:30,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:30,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-20 13:03:30,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 176. [2020-07-20 13:03:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-07-20 13:03:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 209 transitions. [2020-07-20 13:03:30,999 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 209 transitions. Word has length 52 [2020-07-20 13:03:31,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:31,000 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 209 transitions. [2020-07-20 13:03:31,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 209 transitions. [2020-07-20 13:03:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 13:03:31,003 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:31,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:31,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:31,219 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:31,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:31,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1244554845, now seen corresponding path program 1 times [2020-07-20 13:03:31,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:31,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103376737] [2020-07-20 13:03:31,220 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 13:03:31,681 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:03:31,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:31,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 13:03:31,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:31,768 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 13:03:31,769 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:31,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103376737] [2020-07-20 13:03:31,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:31,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:03:31,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004730616] [2020-07-20 13:03:31,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:03:31,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:31,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:03:31,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:03:31,772 INFO L87 Difference]: Start difference. First operand 176 states and 209 transitions. Second operand 6 states. [2020-07-20 13:03:31,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:31,989 INFO L93 Difference]: Finished difference Result 461 states and 571 transitions. [2020-07-20 13:03:31,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:03:31,990 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 13:03:31,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:31,994 INFO L225 Difference]: With dead ends: 461 [2020-07-20 13:03:31,994 INFO L226 Difference]: Without dead ends: 309 [2020-07-20 13:03:31,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 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 13:03:31,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-07-20 13:03:32,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2020-07-20 13:03:32,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-07-20 13:03:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 376 transitions. [2020-07-20 13:03:32,046 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 376 transitions. Word has length 57 [2020-07-20 13:03:32,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:32,047 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 376 transitions. [2020-07-20 13:03:32,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:03:32,048 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 376 transitions. [2020-07-20 13:03:32,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 13:03:32,057 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:03:32,057 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:03:32,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:32,273 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:03:32,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:03:32,273 INFO L82 PathProgramCache]: Analyzing trace with hash 520525257, now seen corresponding path program 1 times [2020-07-20 13:03:32,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:03:32,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055799306] [2020-07-20 13:03:32,274 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 13:03:32,605 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:03:32,606 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:03:32,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 13:03:32,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:03:32,633 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 13:03:32,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:03:32,634 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055799306] [2020-07-20 13:03:32,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:03:32,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:03:32,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784424598] [2020-07-20 13:03:32,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:03:32,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:03:32,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:03:32,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:03:32,636 INFO L87 Difference]: Start difference. First operand 309 states and 376 transitions. Second operand 3 states. [2020-07-20 13:03:32,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:03:32,670 INFO L93 Difference]: Finished difference Result 400 states and 495 transitions. [2020-07-20 13:03:32,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:03:32,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-07-20 13:03:32,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:03:32,676 INFO L225 Difference]: With dead ends: 400 [2020-07-20 13:03:32,677 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:03:32,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 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 13:03:32,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:03:32,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:03:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:03:32,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:03:32,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-07-20 13:03:32,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:03:32,685 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:03:32,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:03:32,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:03:32,686 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:03:32,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:03:32,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:03:33,723 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-20 13:03:33,724 INFO L268 CegarLoopResult]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2020-07-20 13:03:33,724 INFO L268 CegarLoopResult]: For program point L148(lines 125 149) no Hoare annotation was computed. [2020-07-20 13:03:33,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2020-07-20 13:03:33,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2020-07-20 13:03:33,724 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-07-20 13:03:33,724 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-07-20 13:03:33,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2020-07-20 13:03:33,725 INFO L268 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2020-07-20 13:03:33,725 INFO L268 CegarLoopResult]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2020-07-20 13:03:33,725 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 13:03:33,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2020-07-20 13:03:33,727 INFO L268 CegarLoopResult]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2020-07-20 13:03:33,728 INFO L268 CegarLoopResult]: For program point L209(lines 182 210) no Hoare annotation was computed. [2020-07-20 13:03:33,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2020-07-20 13:03:33,728 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 13:03:33,728 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2020-07-20 13:03:33,728 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-07-20 13:03:33,729 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2020-07-20 13:03:33,729 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2020-07-20 13:03:33,729 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2020-07-20 13:03:33,729 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2020-07-20 13:03:33,729 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2020-07-20 13:03:33,729 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2020-07-20 13:03:33,729 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2020-07-20 13:03:33,730 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 13:03:33,730 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-07-20 13:03:33,730 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 13:03:33,730 INFO L268 CegarLoopResult]: For program point L427-1(line 427) no Hoare annotation was computed. [2020-07-20 13:03:33,730 INFO L268 CegarLoopResult]: For program point L425(lines 425 438) no Hoare annotation was computed. [2020-07-20 13:03:33,732 INFO L268 CegarLoopResult]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2020-07-20 13:03:33,732 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-20 13:03:33,732 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 13:03:33,733 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 848 870) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,733 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,733 INFO L264 CegarLoopResult]: At program point L860-1(line 860) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,733 INFO L268 CegarLoopResult]: For program point L858(lines 858 865) no Hoare annotation was computed. [2020-07-20 13:03:33,733 INFO L268 CegarLoopResult]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2020-07-20 13:03:33,734 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2020-07-20 13:03:33,735 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-20 13:03:33,735 INFO L264 CegarLoopResult]: At program point L855(line 855) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,735 INFO L264 CegarLoopResult]: At program point L854(line 854) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,736 INFO L264 CegarLoopResult]: At program point L854-1(line 854) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,737 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2020-07-20 13:03:33,737 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2020-07-20 13:03:33,737 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2020-07-20 13:03:33,737 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2020-07-20 13:03:33,737 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 13:03:33,737 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 13:03:33,737 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 13:03:33,738 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-20 13:03:33,738 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 13:03:33,738 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-20 13:03:33,738 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-20 13:03:33,738 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-07-20 13:03:33,738 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-07-20 13:03:33,738 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-07-20 13:03:33,738 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-07-20 13:03:33,738 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-20 13:03:33,739 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-07-20 13:03:33,739 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-20 13:03:33,739 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2020-07-20 13:03:33,739 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:33,739 INFO L268 CegarLoopResult]: For program point L664(lines 664 670) no Hoare annotation was computed. [2020-07-20 13:03:33,748 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)))) [2020-07-20 13:03:33,748 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2020-07-20 13:03:33,748 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2020-07-20 13:03:33,748 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2020-07-20 13:03:33,749 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2020-07-20 13:03:33,749 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-07-20 13:03:33,749 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2020-07-20 13:03:33,749 INFO L271 CegarLoopResult]: At program point L648(line 648) the Hoare annotation is: true [2020-07-20 13:03:33,749 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2020-07-20 13:03:33,749 INFO L268 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-07-20 13:03:33,749 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2020-07-20 13:03:33,749 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2020-07-20 13:03:33,750 INFO L268 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-07-20 13:03:33,750 INFO L268 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-07-20 13:03:33,750 INFO L268 CegarLoopResult]: For program point L624(lines 624 632) no Hoare annotation was computed. [2020-07-20 13:03:33,750 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 605 640) no Hoare annotation was computed. [2020-07-20 13:03:33,750 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 632) no Hoare annotation was computed. [2020-07-20 13:03:33,752 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 605 640) no Hoare annotation was computed. [2020-07-20 13:03:33,752 INFO L268 CegarLoopResult]: For program point L612(lines 612 620) no Hoare annotation was computed. [2020-07-20 13:03:33,753 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 605 640) no Hoare annotation was computed. [2020-07-20 13:03:33,753 INFO L268 CegarLoopResult]: For program point L612-2(lines 612 620) no Hoare annotation was computed. [2020-07-20 13:03:33,753 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2020-07-20 13:03:33,753 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2020-07-20 13:03:33,753 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2020-07-20 13:03:33,753 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2020-07-20 13:03:33,753 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2020-07-20 13:03:33,753 INFO L268 CegarLoopResult]: For program point L382(lines 382 402) no Hoare annotation was computed. [2020-07-20 13:03:33,753 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2020-07-20 13:03:33,754 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2020-07-20 13:03:33,754 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2020-07-20 13:03:33,754 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2020-07-20 13:03:33,754 INFO L268 CegarLoopResult]: For program point L388(lines 388 395) no Hoare annotation was computed. [2020-07-20 13:03:33,754 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,754 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2020-07-20 13:03:33,754 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2020-07-20 13:03:33,755 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 585 595) no Hoare annotation was computed. [2020-07-20 13:03:33,755 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 13:03:33,755 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-07-20 13:03:33,755 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 585 595) no Hoare annotation was computed. [2020-07-20 13:03:33,757 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 585 595) no Hoare annotation was computed. [2020-07-20 13:03:33,757 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2020-07-20 13:03:33,758 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2020-07-20 13:03:33,758 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2020-07-20 13:03:33,758 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:03:33,758 INFO L268 CegarLoopResult]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2020-07-20 13:03:33,758 INFO L264 CegarLoopResult]: At program point L540(line 540) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:33,758 INFO L264 CegarLoopResult]: At program point L536(line 536) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:33,758 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2020-07-20 13:03:33,759 INFO L268 CegarLoopResult]: For program point L534(lines 534 542) no Hoare annotation was computed. [2020-07-20 13:03:33,759 INFO L264 CegarLoopResult]: At program point L532(line 532) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-20 13:03:33,759 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:03:33,759 INFO L268 CegarLoopResult]: For program point L532-1(line 532) no Hoare annotation was computed. [2020-07-20 13:03:33,759 INFO L268 CegarLoopResult]: For program point L530(lines 530 547) no Hoare annotation was computed. [2020-07-20 13:03:33,759 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2020-07-20 13:03:33,759 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2020-07-20 13:03:33,760 INFO L264 CegarLoopResult]: At program point L929(lines 882 931) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,760 INFO L264 CegarLoopResult]: At program point testENTRY(lines 872 939) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,760 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,760 INFO L268 CegarLoopResult]: For program point L892(lines 892 898) no Hoare annotation was computed. [2020-07-20 13:03:33,761 INFO L268 CegarLoopResult]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2020-07-20 13:03:33,762 INFO L268 CegarLoopResult]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2020-07-20 13:03:33,762 INFO L268 CegarLoopResult]: For program point L884(lines 884 888) no Hoare annotation was computed. [2020-07-20 13:03:33,762 INFO L264 CegarLoopResult]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,762 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,762 INFO L268 CegarLoopResult]: For program point L920(lines 920 926) no Hoare annotation was computed. [2020-07-20 13:03:33,762 INFO L264 CegarLoopResult]: At program point L920-1(lines 912 927) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,762 INFO L268 CegarLoopResult]: For program point L883(lines 882 931) no Hoare annotation was computed. [2020-07-20 13:03:33,763 INFO L264 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,763 INFO L268 CegarLoopResult]: For program point L912(lines 912 927) no Hoare annotation was computed. [2020-07-20 13:03:33,763 INFO L264 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:03:33,763 INFO L268 CegarLoopResult]: For program point L902(lines 902 908) no Hoare annotation was computed. [2020-07-20 13:03:33,763 INFO L268 CegarLoopResult]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2020-07-20 13:03:33,763 INFO L268 CegarLoopResult]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2020-07-20 13:03:33,763 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2020-07-20 13:03:33,763 INFO L268 CegarLoopResult]: For program point L342(lines 342 349) no Hoare annotation was computed. [2020-07-20 13:03:33,764 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2020-07-20 13:03:33,764 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2020-07-20 13:03:33,764 INFO L268 CegarLoopResult]: For program point L336(lines 336 356) no Hoare annotation was computed. [2020-07-20 13:03:33,764 INFO L268 CegarLoopResult]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2020-07-20 13:03:33,764 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 551 558) no Hoare annotation was computed. [2020-07-20 13:03:33,764 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 551 558) no Hoare annotation was computed. [2020-07-20 13:03:33,764 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 551 558) no Hoare annotation was computed. [2020-07-20 13:03:33,764 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2020-07-20 13:03:33,765 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2020-07-20 13:03:33,765 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2020-07-20 13:03:33,765 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 733 755) no Hoare annotation was computed. [2020-07-20 13:03:33,765 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 733 755) no Hoare annotation was computed. [2020-07-20 13:03:33,765 INFO L268 CegarLoopResult]: For program point L741(lines 741 749) no Hoare annotation was computed. [2020-07-20 13:03:33,765 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 733 755) no Hoare annotation was computed. [2020-07-20 13:03:33,765 INFO L268 CegarLoopResult]: For program point L741-2(lines 741 749) no Hoare annotation was computed. [2020-07-20 13:03:33,765 INFO L268 CegarLoopResult]: For program point L289(lines 267 290) no Hoare annotation was computed. [2020-07-20 13:03:33,765 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2020-07-20 13:03:33,766 INFO L268 CegarLoopResult]: For program point L248(lines 248 264) no Hoare annotation was computed. [2020-07-20 13:03:33,766 INFO L268 CegarLoopResult]: For program point L308(lines 308 315) no Hoare annotation was computed. [2020-07-20 13:03:33,766 INFO L268 CegarLoopResult]: For program point L269(lines 268 288) no Hoare annotation was computed. [2020-07-20 13:03:33,766 INFO L268 CegarLoopResult]: For program point L300(line 300) no Hoare annotation was computed. [2020-07-20 13:03:33,766 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-20 13:03:33,766 INFO L268 CegarLoopResult]: For program point L265(lines 265 306) no Hoare annotation was computed. [2020-07-20 13:03:33,766 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2020-07-20 13:03:33,766 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-20 13:03:33,766 INFO L268 CegarLoopResult]: For program point L284-1(line 284) no Hoare annotation was computed. [2020-07-20 13:03:33,767 INFO L268 CegarLoopResult]: For program point L243(lines 243 247) no Hoare annotation was computed. [2020-07-20 13:03:33,767 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-07-20 13:03:33,767 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2020-07-20 13:03:33,767 INFO L268 CegarLoopResult]: For program point L270(lines 270 274) no Hoare annotation was computed. [2020-07-20 13:03:33,767 INFO L268 CegarLoopResult]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2020-07-20 13:03:33,768 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 447 456) no Hoare annotation was computed. [2020-07-20 13:03:33,768 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 447 456) no Hoare annotation was computed. [2020-07-20 13:03:33,768 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 447 456) no Hoare annotation was computed. [2020-07-20 13:03:33,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,768 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:33,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,768 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 560 576) no Hoare annotation was computed. [2020-07-20 13:03:33,768 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 13:03:33,768 INFO L268 CegarLoopResult]: For program point L571-1(lines 560 576) no Hoare annotation was computed. [2020-07-20 13:03:33,769 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 560 576) no Hoare annotation was computed. [2020-07-20 13:03:33,769 INFO L268 CegarLoopResult]: For program point L567(lines 567 573) no Hoare annotation was computed. [2020-07-20 13:03:33,769 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 13:03:33,769 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-20 13:03:33,769 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2020-07-20 13:03:33,769 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2020-07-20 13:03:33,769 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2020-07-20 13:03:33,769 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,769 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,770 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: true [2020-07-20 13:03:33,770 INFO L268 CegarLoopResult]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2020-07-20 13:03:33,770 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2020-07-20 13:03:33,770 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 724 732) no Hoare annotation was computed. [2020-07-20 13:03:33,770 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 724 732) no Hoare annotation was computed. [2020-07-20 13:03:33,770 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 724 732) no Hoare annotation was computed. [2020-07-20 13:03:33,770 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,772 INFO L264 CegarLoopResult]: At program point L505(lines 505 511) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,772 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,772 INFO L268 CegarLoopResult]: For program point L498(lines 497 516) no Hoare annotation was computed. [2020-07-20 13:03:33,772 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,773 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2020-07-20 13:03:33,773 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2020-07-20 13:03:33,774 INFO L271 CegarLoopResult]: At program point L801(lines 776 805) the Hoare annotation is: true [2020-07-20 13:03:33,774 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2020-07-20 13:03:33,774 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-07-20 13:03:33,774 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2020-07-20 13:03:33,774 INFO L268 CegarLoopResult]: For program point L790(lines 790 794) no Hoare annotation was computed. [2020-07-20 13:03:33,774 INFO L271 CegarLoopResult]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2020-07-20 13:03:33,775 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-20 13:03:33,775 INFO L271 CegarLoopResult]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2020-07-20 13:03:33,776 INFO L271 CegarLoopResult]: At program point L782(line 782) the Hoare annotation is: true [2020-07-20 13:03:33,776 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-20 13:03:33,776 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2020-07-20 13:03:33,776 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2020-07-20 13:03:33,776 INFO L268 CegarLoopResult]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2020-07-20 13:03:33,776 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2020-07-20 13:03:33,777 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2020-07-20 13:03:33,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,777 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 13:03:33,777 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:03:33,777 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:03:33,777 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2020-07-20 13:03:33,777 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: true [2020-07-20 13:03:33,777 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2020-07-20 13:03:33,778 INFO L268 CegarLoopResult]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2020-07-20 13:03:33,778 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2020-07-20 13:03:33,778 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (or (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 13:03:33,778 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:03:33,778 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:03:33,778 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:03:33,778 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:03:33,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:03:33 BoogieIcfgContainer [2020-07-20 13:03:33,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:03:33,799 INFO L168 Benchmark]: Toolchain (without parser) took 7202.62 ms. Allocated memory was 144.7 MB in the beginning and 286.3 MB in the end (delta: 141.6 MB). Free memory was 101.4 MB in the beginning and 145.4 MB in the end (delta: -44.1 MB). Peak memory consumption was 117.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,800 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,801 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.18 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.9 MB in the beginning and 170.9 MB in the end (delta: -69.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,802 INFO L168 Benchmark]: Boogie Preprocessor took 85.15 ms. Allocated memory is still 202.4 MB. Free memory was 170.9 MB in the beginning and 166.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,803 INFO L168 Benchmark]: RCFGBuilder took 1270.18 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 196.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,804 INFO L168 Benchmark]: TraceAbstraction took 5108.05 ms. Allocated memory was 234.4 MB in the beginning and 286.3 MB in the end (delta: 51.9 MB). Free memory was 196.6 MB in the beginning and 145.4 MB in the end (delta: 51.2 MB). Peak memory consumption was 123.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:03:33,809 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 734.18 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.9 MB in the beginning and 170.9 MB in the end (delta: -69.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.15 ms. Allocated memory is still 202.4 MB. Free memory was 170.9 MB in the beginning and 166.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1270.18 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 196.6 MB in the end (delta: -29.9 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5108.05 ms. Allocated memory was 234.4 MB in the beginning and 286.3 MB in the end (delta: 51.9 MB). Free memory was 196.6 MB in the beginning and 145.4 MB in the end (delta: 51.2 MB). Peak memory consumption was 123.5 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 626 SDtfs, 229 SDslu, 604 SDs, 0 SdLazy, 84 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=309occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 329 PreInvPairs, 345 NumberOfFragments, 545 HoareAnnotationTreeSize, 329 FomulaSimplifications, 78 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 563 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 263 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 23442 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3262 ConjunctsInSsa, 32 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...