/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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:50:15,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:50:15,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:50:15,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:50:15,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:50:15,233 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:50:15,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:50:15,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:50:15,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:50:15,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:50:15,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:50:15,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:50:15,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:50:15,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:50:15,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:50:15,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:50:15,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:50:15,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:50:15,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:50:15,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:50:15,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:50:15,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:50:15,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:50:15,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:50:15,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:50:15,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:50:15,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:50:15,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:50:15,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:50:15,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:50:15,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:50:15,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:50:15,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:50:15,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:50:15,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:50:15,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:50:15,268 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:50:15,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:50:15,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:50:15,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:50:15,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:50:15,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 12:50:15,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:50:15,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:50:15,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:50:15,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:50:15,288 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:50:15,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:50:15,288 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:50:15,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:50:15,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:50:15,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:50:15,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:50:15,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:50:15,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:50:15,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:50:15,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:50:15,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:50:15,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:50:15,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:50:15,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:50:15,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:50:15,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:50:15,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:50:15,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:50:15,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:50:15,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:50:15,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:50:15,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:15,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:50:15,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:50:15,293 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 -> 2 [2020-07-21 12:50:15,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:50:15,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:50:15,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:50:15,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:50:15,592 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:50:15,592 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-07-21 12:50:15,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4c635ce/2648e993ce2a4eacbe7671e405b8bcc8/FLAG94030a54b [2020-07-21 12:50:16,207 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:50:16,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-07-21 12:50:16,229 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4c635ce/2648e993ce2a4eacbe7671e405b8bcc8/FLAG94030a54b [2020-07-21 12:50:16,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c4c635ce/2648e993ce2a4eacbe7671e405b8bcc8 [2020-07-21 12:50:16,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:50:16,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:50:16,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:50:16,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:50:16,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:50:16,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:16,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0987a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:16, skipping insertion in model container [2020-07-21 12:50:16,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:50:16" (1/1) ... [2020-07-21 12:50:16,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:50:16,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:50:16,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:50:17,031 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:50:17,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:50:17,240 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:50:17,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17 WrapperNode [2020-07-21 12:50:17,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:50:17,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:50:17,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:50:17,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:50:17,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17" (1/1) ... [2020-07-21 12:50:17,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17" (1/1) ... [2020-07-21 12:50:17,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17" (1/1) ... [2020-07-21 12:50:17,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17" (1/1) ... [2020-07-21 12:50:17,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17" (1/1) ... [2020-07-21 12:50:17,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17" (1/1) ... [2020-07-21 12:50:17,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17" (1/1) ... [2020-07-21 12:50:17,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:50:17,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:50:17,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:50:17,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:50:17,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:50:17,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:50:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:50:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:50:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 12:50:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:50:17,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:50:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:50:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:50:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:50:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:50:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:50:17,399 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:50:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:50:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:50:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:50:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:50:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:50:17,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:50:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:50:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:50:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:50:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:50:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:50:17,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:50:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:50:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:50:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:50:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:50:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:50:17,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:50:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:50:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:50:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:50:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:50:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:50:17,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:50:17,404 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:50:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:50:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:50:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:50:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:50:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:50:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:50:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 12:50:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:50:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:50:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:50:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:50:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:50:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:50:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:50:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:50:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:50:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:50:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:50:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:50:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:50:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:50:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:50:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:50:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:50:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:50:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:50:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:50:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:50:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:50:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:50:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:50:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:50:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:50:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:50:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:50:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:50:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:50:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:50:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:50:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:50:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:50:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:50:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:50:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:50:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:50:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:50:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:50:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:50:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:50:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:50:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:50:18,480 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:50:18,480 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:50:18,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:18 BoogieIcfgContainer [2020-07-21 12:50:18,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:50:18,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:50:18,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:50:18,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:50:18,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:50:16" (1/3) ... [2020-07-21 12:50:18,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454b16d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:18, skipping insertion in model container [2020-07-21 12:50:18,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:50:17" (2/3) ... [2020-07-21 12:50:18,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@454b16d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:50:18, skipping insertion in model container [2020-07-21 12:50:18,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:50:18" (3/3) ... [2020-07-21 12:50:18,495 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2020-07-21 12:50:18,506 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:50:18,514 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:50:18,528 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:50:18,555 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:50:18,556 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:50:18,556 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:50:18,556 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:50:18,557 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:50:18,557 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:50:18,557 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:50:18,557 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:50:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-07-21 12:50:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 12:50:18,588 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:18,589 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] [2020-07-21 12:50:18,590 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:18,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:18,595 INFO L82 PathProgramCache]: Analyzing trace with hash -697118378, now seen corresponding path program 1 times [2020-07-21 12:50:18,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:18,602 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071850700] [2020-07-21 12:50:18,602 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:50:18,973 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:18,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:18,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:50:18,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:19,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:50:19,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:19,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071850700] [2020-07-21 12:50:19,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:19,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:50:19,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124891544] [2020-07-21 12:50:19,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:50:19,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:19,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:50:19,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:50:19,050 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2020-07-21 12:50:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:19,092 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2020-07-21 12:50:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:50:19,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 12:50:19,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:19,107 INFO L225 Difference]: With dead ends: 208 [2020-07-21 12:50:19,108 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 12:50:19,113 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 [2020-07-21 12:50:19,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 12:50:19,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-21 12:50:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-21 12:50:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-07-21 12:50:19,168 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-07-21 12:50:19,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:19,168 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-07-21 12:50:19,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:50:19,169 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-07-21 12:50:19,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 12:50:19,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:19,173 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] [2020-07-21 12:50:19,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:19,387 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:19,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:19,388 INFO L82 PathProgramCache]: Analyzing trace with hash -133554589, now seen corresponding path program 1 times [2020-07-21 12:50:19,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:19,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [104664788] [2020-07-21 12:50:19,390 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:50:19,707 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:19,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:19,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:50:19,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:50:19,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:19,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [104664788] [2020-07-21 12:50:19,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:19,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:19,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521799348] [2020-07-21 12:50:19,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:19,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:19,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:19,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:19,756 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2020-07-21 12:50:19,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:19,781 INFO L93 Difference]: Finished difference Result 184 states and 221 transitions. [2020-07-21 12:50:19,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:19,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 12:50:19,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:19,784 INFO L225 Difference]: With dead ends: 184 [2020-07-21 12:50:19,784 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 12:50:19,786 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 [2020-07-21 12:50:19,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 12:50:19,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-21 12:50:19,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-21 12:50:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2020-07-21 12:50:19,802 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 47 [2020-07-21 12:50:19,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:19,802 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2020-07-21 12:50:19,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:19,803 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2020-07-21 12:50:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-21 12:50:19,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:19,805 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] [2020-07-21 12:50:20,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:20,020 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:20,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:20,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1394197182, now seen corresponding path program 1 times [2020-07-21 12:50:20,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:20,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236844611] [2020-07-21 12:50:20,021 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:50:20,380 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:20,380 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:20,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:50:20,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:50:20,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:20,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236844611] [2020-07-21 12:50:20,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:20,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:50:20,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053067217] [2020-07-21 12:50:20,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:50:20,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:20,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:50:20,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:20,425 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2020-07-21 12:50:20,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:20,457 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2020-07-21 12:50:20,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:50:20,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-21 12:50:20,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:20,460 INFO L225 Difference]: With dead ends: 157 [2020-07-21 12:50:20,460 INFO L226 Difference]: Without dead ends: 95 [2020-07-21 12:50:20,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:50:20,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-21 12:50:20,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-07-21 12:50:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-21 12:50:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-07-21 12:50:20,488 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 55 [2020-07-21 12:50:20,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:20,489 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-07-21 12:50:20,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:50:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-07-21 12:50:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:50:20,492 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:20,492 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] [2020-07-21 12:50:20,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:20,698 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:20,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:20,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1870012479, now seen corresponding path program 1 times [2020-07-21 12:50:20,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:20,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562076265] [2020-07-21 12:50:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:50:20,955 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:20,956 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:20,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 12:50:20,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:50:21,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:21,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562076265] [2020-07-21 12:50:21,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:21,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:50:21,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089390740] [2020-07-21 12:50:21,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:50:21,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:21,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:50:21,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:50:21,019 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 6 states. [2020-07-21 12:50:21,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:21,226 INFO L93 Difference]: Finished difference Result 230 states and 273 transitions. [2020-07-21 12:50:21,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:50:21,226 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-21 12:50:21,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:21,230 INFO L225 Difference]: With dead ends: 230 [2020-07-21 12:50:21,230 INFO L226 Difference]: Without dead ends: 159 [2020-07-21 12:50:21,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:50:21,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-21 12:50:21,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 157. [2020-07-21 12:50:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-07-21 12:50:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2020-07-21 12:50:21,251 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2020-07-21 12:50:21,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:21,251 INFO L479 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2020-07-21 12:50:21,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:50:21,252 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2020-07-21 12:50:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-21 12:50:21,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:50:21,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:50:21,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:21,470 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:50:21,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:50:21,471 INFO L82 PathProgramCache]: Analyzing trace with hash 654505667, now seen corresponding path program 1 times [2020-07-21 12:50:21,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:50:21,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882448580] [2020-07-21 12:50:21,473 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 12:50:21,765 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:50:21,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:50:21,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:50:21,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:50:21,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:50:21,860 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:50:21,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882448580] [2020-07-21 12:50:21,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:50:21,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:50:21,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679179830] [2020-07-21 12:50:21,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:50:21,861 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:50:21,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:50:21,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:50:21,862 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 6 states. [2020-07-21 12:50:22,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:50:22,057 INFO L93 Difference]: Finished difference Result 245 states and 292 transitions. [2020-07-21 12:50:22,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:50:22,061 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-07-21 12:50:22,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:50:22,061 INFO L225 Difference]: With dead ends: 245 [2020-07-21 12:50:22,061 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:50:22,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:50:22,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:50:22,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:50:22,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:50:22,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:50:22,068 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-07-21 12:50:22,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:50:22,069 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:50:22,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:50:22,069 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:50:22,069 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:50:22,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:50:22,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:50:23,113 INFO L268 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-07-21 12:50:23,114 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2020-07-21 12:50:23,114 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-21 12:50:23,114 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2020-07-21 12:50:23,114 INFO L268 CegarLoopResult]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2020-07-21 12:50:23,114 INFO L268 CegarLoopResult]: For program point L168(lines 145 169) no Hoare annotation was computed. [2020-07-21 12:50:23,115 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2020-07-21 12:50:23,115 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2020-07-21 12:50:23,115 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-21 12:50:23,116 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-07-21 12:50:23,116 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2020-07-21 12:50:23,116 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-07-21 12:50:23,116 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-07-21 12:50:23,116 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2020-07-21 12:50:23,116 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-21 12:50:23,117 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2020-07-21 12:50:23,117 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2020-07-21 12:50:23,117 INFO L268 CegarLoopResult]: For program point L229(lines 202 230) no Hoare annotation was computed. [2020-07-21 12:50:23,117 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2020-07-21 12:50:23,117 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2020-07-21 12:50:23,117 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2020-07-21 12:50:23,118 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2020-07-21 12:50:23,118 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2020-07-21 12:50:23,118 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,118 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-07-21 12:50:23,118 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,118 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,119 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-07-21 12:50:23,119 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-07-21 12:50:23,119 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-07-21 12:50:23,119 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 12:50:23,119 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,119 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,121 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,122 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 12:50:23,122 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-21 12:50:23,122 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-07-21 12:50:23,122 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 12:50:23,122 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 12:50:23,122 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-07-21 12:50:23,122 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-07-21 12:50:23,123 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 12:50:23,123 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-07-21 12:50:23,123 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 12:50:23,123 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 12:50:23,123 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 12:50:23,123 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-21 12:50:23,123 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 12:50:23,123 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 12:50:23,126 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-07-21 12:50:23,127 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 12:50:23,127 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 640 648) no Hoare annotation was computed. [2020-07-21 12:50:23,127 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 640 648) the Hoare annotation is: true [2020-07-21 12:50:23,127 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 640 648) no Hoare annotation was computed. [2020-07-21 12:50:23,127 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 685 703) the Hoare annotation is: true [2020-07-21 12:50:23,127 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-07-21 12:50:23,128 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 685 703) no Hoare annotation was computed. [2020-07-21 12:50:23,128 INFO L271 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: true [2020-07-21 12:50:23,128 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 698) no Hoare annotation was computed. [2020-07-21 12:50:23,129 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-07-21 12:50:23,129 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 685 703) no Hoare annotation was computed. [2020-07-21 12:50:23,129 INFO L268 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-07-21 12:50:23,129 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 676) no Hoare annotation was computed. [2020-07-21 12:50:23,129 INFO L268 CegarLoopResult]: For program point L656(lines 656 664) no Hoare annotation was computed. [2020-07-21 12:50:23,130 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 649 684) no Hoare annotation was computed. [2020-07-21 12:50:23,130 INFO L268 CegarLoopResult]: For program point L656-2(lines 656 664) no Hoare annotation was computed. [2020-07-21 12:50:23,130 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-07-21 12:50:23,130 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 649 684) no Hoare annotation was computed. [2020-07-21 12:50:23,130 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-07-21 12:50:23,130 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 649 684) no Hoare annotation was computed. [2020-07-21 12:50:23,131 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2020-07-21 12:50:23,131 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2020-07-21 12:50:23,131 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2020-07-21 12:50:23,131 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2020-07-21 12:50:23,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2020-07-21 12:50:23,137 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2020-07-21 12:50:23,137 INFO L268 CegarLoopResult]: For program point L408(lines 408 415) no Hoare annotation was computed. [2020-07-21 12:50:23,137 INFO L268 CegarLoopResult]: For program point L402(lines 402 422) no Hoare annotation was computed. [2020-07-21 12:50:23,138 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2020-07-21 12:50:23,138 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2020-07-21 12:50:23,138 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2020-07-21 12:50:23,138 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,138 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-07-21 12:50:23,138 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-07-21 12:50:23,138 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 629 639) no Hoare annotation was computed. [2020-07-21 12:50:23,139 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 629 639) no Hoare annotation was computed. [2020-07-21 12:50:23,139 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-07-21 12:50:23,139 INFO L268 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-07-21 12:50:23,139 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 629 639) no Hoare annotation was computed. [2020-07-21 12:50:23,139 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 621 628) the Hoare annotation is: true [2020-07-21 12:50:23,139 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 621 628) no Hoare annotation was computed. [2020-07-21 12:50:23,139 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 621 628) no Hoare annotation was computed. [2020-07-21 12:50:23,140 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:23,140 INFO L268 CegarLoopResult]: For program point L607-1(lines 588 612) no Hoare annotation was computed. [2020-07-21 12:50:23,140 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 12:50:23,140 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 588 612) no Hoare annotation was computed. [2020-07-21 12:50:23,141 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 12:50:23,141 INFO L268 CegarLoopResult]: For program point L596(lines 596 604) no Hoare annotation was computed. [2020-07-21 12:50:23,141 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 588 612) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:23,141 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 12:50:23,141 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-07-21 12:50:23,142 INFO L268 CegarLoopResult]: For program point L592(lines 592 609) no Hoare annotation was computed. [2020-07-21 12:50:23,142 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 580 586) no Hoare annotation was computed. [2020-07-21 12:50:23,142 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 580 586) the Hoare annotation is: true [2020-07-21 12:50:23,142 INFO L264 CegarLoopResult]: At program point testENTRY(lines 795 858) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,142 INFO L268 CegarLoopResult]: For program point testFINAL(lines 795 858) no Hoare annotation was computed. [2020-07-21 12:50:23,142 INFO L264 CegarLoopResult]: At program point L851(lines 804 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:50:23,142 INFO L268 CegarLoopResult]: For program point L841(lines 841 845) no Hoare annotation was computed. [2020-07-21 12:50:23,143 INFO L264 CegarLoopResult]: At program point L841-2(lines 835 846) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-21 12:50:23,143 INFO L268 CegarLoopResult]: For program point L806(lines 805 850) no Hoare annotation was computed. [2020-07-21 12:50:23,143 INFO L268 CegarLoopResult]: For program point L835(lines 835 846) no Hoare annotation was computed. [2020-07-21 12:50:23,143 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-21 12:50:23,143 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-07-21 12:50:23,143 INFO L268 CegarLoopResult]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2020-07-21 12:50:23,143 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-21 12:50:23,144 INFO L264 CegarLoopResult]: At program point L848(lines 805 850) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-21 12:50:23,144 INFO L268 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2020-07-21 12:50:23,144 INFO L268 CegarLoopResult]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2020-07-21 12:50:23,144 INFO L268 CegarLoopResult]: For program point L807(lines 807 811) no Hoare annotation was computed. [2020-07-21 12:50:23,144 INFO L268 CegarLoopResult]: For program point testEXIT(lines 795 858) no Hoare annotation was computed. [2020-07-21 12:50:23,144 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2020-07-21 12:50:23,144 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2020-07-21 12:50:23,145 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2020-07-21 12:50:23,145 INFO L268 CegarLoopResult]: For program point L362(lines 362 369) no Hoare annotation was computed. [2020-07-21 12:50:23,145 INFO L268 CegarLoopResult]: For program point L356(lines 356 376) no Hoare annotation was computed. [2020-07-21 12:50:23,145 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2020-07-21 12:50:23,145 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 785 793) no Hoare annotation was computed. [2020-07-21 12:50:23,145 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 785 793) the Hoare annotation is: true [2020-07-21 12:50:23,145 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 785 793) no Hoare annotation was computed. [2020-07-21 12:50:23,145 INFO L268 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2020-07-21 12:50:23,146 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 753 775) no Hoare annotation was computed. [2020-07-21 12:50:23,146 INFO L268 CegarLoopResult]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2020-07-21 12:50:23,146 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 753 775) no Hoare annotation was computed. [2020-07-21 12:50:23,146 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 753 775) no Hoare annotation was computed. [2020-07-21 12:50:23,146 INFO L268 CegarLoopResult]: For program point L289(lines 288 308) no Hoare annotation was computed. [2020-07-21 12:50:23,146 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-07-21 12:50:23,146 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-07-21 12:50:23,146 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2020-07-21 12:50:23,147 INFO L268 CegarLoopResult]: For program point L285(lines 285 326) no Hoare annotation was computed. [2020-07-21 12:50:23,147 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-07-21 12:50:23,147 INFO L268 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-07-21 12:50:23,147 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-07-21 12:50:23,147 INFO L268 CegarLoopResult]: For program point L327(lines 327 338) no Hoare annotation was computed. [2020-07-21 12:50:23,147 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2020-07-21 12:50:23,147 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-07-21 12:50:23,147 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2020-07-21 12:50:23,148 INFO L268 CegarLoopResult]: For program point L309(lines 287 310) no Hoare annotation was computed. [2020-07-21 12:50:23,148 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2020-07-21 12:50:23,148 INFO L268 CegarLoopResult]: For program point L268(lines 268 284) no Hoare annotation was computed. [2020-07-21 12:50:23,148 INFO L268 CegarLoopResult]: For program point L328(lines 328 335) no Hoare annotation was computed. [2020-07-21 12:50:23,148 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2020-07-21 12:50:23,148 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 861 870) no Hoare annotation was computed. [2020-07-21 12:50:23,148 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2020-07-21 12:50:23,148 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:50:23,149 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:50:23,149 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:50:23,149 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 613 620) no Hoare annotation was computed. [2020-07-21 12:50:23,149 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 613 620) no Hoare annotation was computed. [2020-07-21 12:50:23,149 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 613 620) no Hoare annotation was computed. [2020-07-21 12:50:23,149 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 776 784) no Hoare annotation was computed. [2020-07-21 12:50:23,149 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 776 784) no Hoare annotation was computed. [2020-07-21 12:50:23,149 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 776 784) no Hoare annotation was computed. [2020-07-21 12:50:23,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:50:23,150 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:50:23,150 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:50:23,150 INFO L268 CegarLoopResult]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2020-07-21 12:50:23,150 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 732 743) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,150 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 732 743) no Hoare annotation was computed. [2020-07-21 12:50:23,150 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 744 752) the Hoare annotation is: true [2020-07-21 12:50:23,150 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 744 752) no Hoare annotation was computed. [2020-07-21 12:50:23,150 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 744 752) no Hoare annotation was computed. [2020-07-21 12:50:23,151 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:23,151 INFO L264 CegarLoopResult]: At program point L567(lines 567 573) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:23,151 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 12:50:23,151 INFO L268 CegarLoopResult]: For program point L560(lines 559 578) no Hoare annotation was computed. [2020-07-21 12:50:23,151 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 556 579) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:50:23,151 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 556 579) no Hoare annotation was computed. [2020-07-21 12:50:23,151 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 556 579) no Hoare annotation was computed. [2020-07-21 12:50:23,152 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 12:50:23,152 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-07-21 12:50:23,152 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-07-21 12:50:23,153 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-07-21 12:50:23,153 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-07-21 12:50:23,153 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-07-21 12:50:23,153 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-07-21 12:50:23,153 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 12:50:23,153 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-07-21 12:50:23,154 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-07-21 12:50:23,154 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 708 719) the Hoare annotation is: true [2020-07-21 12:50:23,154 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 708 719) no Hoare annotation was computed. [2020-07-21 12:50:23,154 INFO L268 CegarLoopResult]: For program point L712-1(lines 708 719) no Hoare annotation was computed. [2020-07-21 12:50:23,154 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-07-21 12:50:23,154 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-07-21 12:50:23,154 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:50:23,154 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 12:50:23,155 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:50:23,155 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:50:23,155 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 720 731) no Hoare annotation was computed. [2020-07-21 12:50:23,155 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 720 731) the Hoare annotation is: true [2020-07-21 12:50:23,155 INFO L268 CegarLoopResult]: For program point L724-1(lines 720 731) no Hoare annotation was computed. [2020-07-21 12:50:23,155 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2020-07-21 12:50:23,157 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2020-07-21 12:50:23,157 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2020-07-21 12:50:23,157 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2020-07-21 12:50:23,157 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-21 12:50:23,157 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,158 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-21 12:50:23,158 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-21 12:50:23,158 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-21 12:50:23,159 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-21 12:50:23,160 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-21 12:50:23,160 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-21 12:50:23,160 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-21 12:50:23,160 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-21 12:50:23,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:50:23 BoogieIcfgContainer [2020-07-21 12:50:23,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:50:23,191 INFO L168 Benchmark]: Toolchain (without parser) took 6701.54 ms. Allocated memory was 142.6 MB in the beginning and 285.7 MB in the end (delta: 143.1 MB). Free memory was 101.9 MB in the beginning and 140.9 MB in the end (delta: -39.0 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:23,198 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-21 12:50:23,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.81 ms. Allocated memory was 142.6 MB in the beginning and 202.9 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 173.3 MB in the end (delta: -71.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:23,203 INFO L168 Benchmark]: Boogie Preprocessor took 86.69 ms. Allocated memory is still 202.9 MB. Free memory was 173.3 MB in the beginning and 169.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:23,204 INFO L168 Benchmark]: RCFGBuilder took 1157.43 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 169.0 MB in the beginning and 201.5 MB in the end (delta: -32.5 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:23,207 INFO L168 Benchmark]: TraceAbstraction took 4699.34 ms. Allocated memory was 236.5 MB in the beginning and 285.7 MB in the end (delta: 49.3 MB). Free memory was 201.5 MB in the beginning and 140.9 MB in the end (delta: 60.7 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:50:23,219 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.81 ms. Allocated memory was 142.6 MB in the beginning and 202.9 MB in the end (delta: 60.3 MB). Free memory was 101.4 MB in the beginning and 173.3 MB in the end (delta: -71.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.69 ms. Allocated memory is still 202.9 MB. Free memory was 173.3 MB in the beginning and 169.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.43 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 169.0 MB in the beginning and 201.5 MB in the end (delta: -32.5 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4699.34 ms. Allocated memory was 236.5 MB in the beginning and 285.7 MB in the end (delta: 49.3 MB). Free memory was 201.5 MB in the beginning and 140.9 MB in the end (delta: 60.7 MB). Peak memory consumption was 110.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 804]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= systemActive) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((!(1 <= systemActive) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (0 == pumpRunning && splverifierCounter <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 550 SDtfs, 212 SDslu, 649 SDs, 0 SdLazy, 105 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 269 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 236 PreInvPairs, 250 NumberOfFragments, 420 HoareAnnotationTreeSize, 236 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 49 FomulaSimplificationsInter, 585 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 26149 SizeOfPredicates, 9 NumberOfNonLiveVariables, 3250 ConjunctsInSsa, 39 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...