/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 10:19:51,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 10:19:51,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 10:19:51,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 10:19:51,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 10:19:51,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 10:19:51,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 10:19:51,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 10:19:51,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 10:19:51,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 10:19:51,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 10:19:51,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 10:19:51,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 10:19:51,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 10:19:51,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 10:19:51,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 10:19:51,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 10:19:51,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 10:19:51,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 10:19:51,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 10:19:51,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 10:19:51,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 10:19:51,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 10:19:51,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 10:19:51,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 10:19:51,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 10:19:51,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 10:19:51,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 10:19:51,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 10:19:51,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 10:19:51,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 10:19:51,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 10:19:51,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 10:19:51,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 10:19:51,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 10:19:51,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 10:19:51,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 10:19:51,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 10:19:51,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 10:19:51,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 10:19:51,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 10:19:51,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 10:19:51,380 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 10:19:51,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 10:19:51,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 10:19:51,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 10:19:51,381 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 10:19:51,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 10:19:51,382 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 10:19:51,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 10:19:51,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 10:19:51,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 10:19:51,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 10:19:51,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 10:19:51,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 10:19:51,383 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 10:19:51,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 10:19:51,383 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 10:19:51,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 10:19:51,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 10:19:51,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 10:19:51,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 10:19:51,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 10:19:51,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 10:19:51,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 10:19:51,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 10:19:51,385 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 10:19:51,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 10:19:51,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 10:19:51,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 10:19:51,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 10:19:51,386 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-18 10:19:51,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 10:19:51,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 10:19:51,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 10:19:51,724 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 10:19:51,724 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 10:19:51,725 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-08-18 10:19:51,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dac7a4d44/41c50bd18f2b454b8ced24f176ede410/FLAGd1bd9dbb1 [2020-08-18 10:19:52,226 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 10:19:52,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-08-18 10:19:52,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dac7a4d44/41c50bd18f2b454b8ced24f176ede410/FLAGd1bd9dbb1 [2020-08-18 10:19:52,594 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dac7a4d44/41c50bd18f2b454b8ced24f176ede410 [2020-08-18 10:19:52,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 10:19:52,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 10:19:52,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 10:19:52,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 10:19:52,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 10:19:52,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:19:52" (1/1) ... [2020-08-18 10:19:52,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c07bf98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:52, skipping insertion in model container [2020-08-18 10:19:52,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 10:19:52" (1/1) ... [2020-08-18 10:19:52,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 10:19:52,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 10:19:53,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:19:53,197 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 10:19:53,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 10:19:53,372 INFO L208 MainTranslator]: Completed translation [2020-08-18 10:19:53,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53 WrapperNode [2020-08-18 10:19:53,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 10:19:53,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 10:19:53,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 10:19:53,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 10:19:53,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53" (1/1) ... [2020-08-18 10:19:53,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53" (1/1) ... [2020-08-18 10:19:53,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53" (1/1) ... [2020-08-18 10:19:53,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53" (1/1) ... [2020-08-18 10:19:53,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53" (1/1) ... [2020-08-18 10:19:53,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53" (1/1) ... [2020-08-18 10:19:53,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53" (1/1) ... [2020-08-18 10:19:53,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 10:19:53,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 10:19:53,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 10:19:53,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 10:19:53,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 10:19:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 10:19:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 10:19:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 10:19:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 10:19:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 10:19:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 10:19:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 10:19:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 10:19:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 10:19:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 10:19:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 10:19:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 10:19:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 10:19:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 10:19:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 10:19:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 10:19:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 10:19:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 10:19:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 10:19:53,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 10:19:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 10:19:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 10:19:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 10:19:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 10:19:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 10:19:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 10:19:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 10:19:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 10:19:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 10:19:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 10:19:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 10:19:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 10:19:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 10:19:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 10:19:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 10:19:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 10:19:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 10:19:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 10:19:53,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 10:19:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 10:19:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 10:19:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 10:19:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 10:19:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 10:19:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 10:19:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 10:19:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 10:19:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 10:19:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 10:19:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 10:19:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 10:19:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 10:19:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 10:19:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 10:19:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 10:19:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 10:19:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 10:19:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 10:19:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 10:19:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 10:19:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 10:19:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 10:19:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 10:19:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 10:19:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 10:19:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 10:19:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 10:19:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 10:19:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 10:19:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 10:19:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 10:19:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 10:19:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 10:19:53,539 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 10:19:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 10:19:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 10:19:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 10:19:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 10:19:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 10:19:53,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 10:19:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 10:19:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 10:19:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 10:19:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 10:19:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 10:19:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 10:19:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 10:19:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 10:19:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 10:19:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 10:19:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 10:19:53,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 10:19:56,638 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 10:19:56,638 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 10:19:56,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:19:56 BoogieIcfgContainer [2020-08-18 10:19:56,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 10:19:56,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 10:19:56,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 10:19:56,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 10:19:56,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 10:19:52" (1/3) ... [2020-08-18 10:19:56,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b77bcf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:19:56, skipping insertion in model container [2020-08-18 10:19:56,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 10:19:53" (2/3) ... [2020-08-18 10:19:56,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b77bcf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 10:19:56, skipping insertion in model container [2020-08-18 10:19:56,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 10:19:56" (3/3) ... [2020-08-18 10:19:56,656 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-08-18 10:19:56,667 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 10:19:56,677 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 10:19:56,697 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 10:19:56,717 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 10:19:56,717 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 10:19:56,718 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 10:19:56,718 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 10:19:56,718 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 10:19:56,718 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 10:19:56,718 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 10:19:56,718 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 10:19:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-08-18 10:19:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 10:19:56,748 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:19:56,749 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 10:19:56,749 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:19:56,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:19:56,755 INFO L82 PathProgramCache]: Analyzing trace with hash 360322955, now seen corresponding path program 1 times [2020-08-18 10:19:56,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:19:56,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1561789535] [2020-08-18 10:19:56,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:19:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:57,384 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:19:57,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:19:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:57,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:19:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:57,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:19:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:57,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:19:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:57,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:19:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:57,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 10:19:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:57,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 10:19:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:57,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 10:19:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:19:57,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1561789535] [2020-08-18 10:19:57,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:19:57,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 10:19:57,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752652134] [2020-08-18 10:19:57,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 10:19:57,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:19:57,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 10:19:57,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 10:19:57,549 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 4 states. [2020-08-18 10:19:58,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:19:58,503 INFO L93 Difference]: Finished difference Result 246 states and 324 transitions. [2020-08-18 10:19:58,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 10:19:58,505 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 10:19:58,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:19:58,519 INFO L225 Difference]: With dead ends: 246 [2020-08-18 10:19:58,519 INFO L226 Difference]: Without dead ends: 138 [2020-08-18 10:19:58,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 10:19:58,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-18 10:19:58,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 109. [2020-08-18 10:19:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-08-18 10:19:58,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2020-08-18 10:19:58,606 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2020-08-18 10:19:58,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:19:58,606 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2020-08-18 10:19:58,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 10:19:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2020-08-18 10:19:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 10:19:58,614 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:19:58,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 10:19:58,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 10:19:58,617 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:19:58,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:19:58,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1474642768, now seen corresponding path program 1 times [2020-08-18 10:19:58,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:19:58,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297503572] [2020-08-18 10:19:58,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:19:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:58,995 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:19:58,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:19:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:59,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:19:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:59,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:19:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:59,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:19:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:59,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:19:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 10:19:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:59,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 10:19:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:59,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 10:19:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:19:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:19:59,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297503572] [2020-08-18 10:19:59,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:19:59,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 10:19:59,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040349972] [2020-08-18 10:19:59,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 10:19:59,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:19:59,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 10:19:59,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 10:19:59,061 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 5 states. [2020-08-18 10:19:59,557 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 10:20:00,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:20:00,172 INFO L93 Difference]: Finished difference Result 191 states and 235 transitions. [2020-08-18 10:20:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 10:20:00,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 10:20:00,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:20:00,175 INFO L225 Difference]: With dead ends: 191 [2020-08-18 10:20:00,175 INFO L226 Difference]: Without dead ends: 128 [2020-08-18 10:20:00,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 10:20:00,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-18 10:20:00,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-08-18 10:20:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 10:20:00,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2020-08-18 10:20:00,211 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2020-08-18 10:20:00,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:20:00,211 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2020-08-18 10:20:00,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 10:20:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2020-08-18 10:20:00,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 10:20:00,214 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:20:00,214 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] [2020-08-18 10:20:00,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 10:20:00,214 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:20:00,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:20:00,215 INFO L82 PathProgramCache]: Analyzing trace with hash -282288247, now seen corresponding path program 1 times [2020-08-18 10:20:00,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:20:00,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844162993] [2020-08-18 10:20:00,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:20:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:00,543 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:20:00,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:20:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:00,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:20:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:00,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:20:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:00,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:20:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:00,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:20:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:00,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 10:20:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 10:20:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:00,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 10:20:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:20:00,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844162993] [2020-08-18 10:20:00,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:20:00,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 10:20:00,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180777915] [2020-08-18 10:20:00,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 10:20:00,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:20:00,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 10:20:00,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 10:20:00,655 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 9 states. [2020-08-18 10:20:01,095 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 10:20:01,369 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 10:20:01,636 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 10:20:01,876 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 10:20:02,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:20:02,814 INFO L93 Difference]: Finished difference Result 200 states and 250 transitions. [2020-08-18 10:20:02,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 10:20:02,823 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-18 10:20:02,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:20:02,825 INFO L225 Difference]: With dead ends: 200 [2020-08-18 10:20:02,825 INFO L226 Difference]: Without dead ends: 128 [2020-08-18 10:20:02,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-18 10:20:02,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-18 10:20:02,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-08-18 10:20:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 10:20:02,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-08-18 10:20:02,861 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2020-08-18 10:20:02,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:20:02,862 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-08-18 10:20:02,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 10:20:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-08-18 10:20:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-18 10:20:02,864 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:20:02,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 10:20:02,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 10:20:02,864 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:20:02,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:20:02,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1883415514, now seen corresponding path program 1 times [2020-08-18 10:20:02,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:20:02,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692743134] [2020-08-18 10:20:02,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:20:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,200 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:20:03,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:20:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:20:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:20:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:20:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:20:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 10:20:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 10:20:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:20:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 10:20:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 10:20:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:20:03,334 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692743134] [2020-08-18 10:20:03,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:20:03,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 10:20:03,335 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862470250] [2020-08-18 10:20:03,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 10:20:03,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:20:03,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 10:20:03,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 10:20:03,337 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 9 states. [2020-08-18 10:20:03,759 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 10:20:04,744 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 10:20:05,066 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 10:20:05,308 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 10:20:05,577 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 10:20:06,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:20:06,351 INFO L93 Difference]: Finished difference Result 307 states and 408 transitions. [2020-08-18 10:20:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 10:20:06,352 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-18 10:20:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:20:06,356 INFO L225 Difference]: With dead ends: 307 [2020-08-18 10:20:06,356 INFO L226 Difference]: Without dead ends: 235 [2020-08-18 10:20:06,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 10:20:06,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-08-18 10:20:06,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 162. [2020-08-18 10:20:06,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-08-18 10:20:06,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2020-08-18 10:20:06,401 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 64 [2020-08-18 10:20:06,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:20:06,402 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2020-08-18 10:20:06,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 10:20:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2020-08-18 10:20:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-18 10:20:06,404 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 10:20:06,404 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 10:20:06,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 10:20:06,405 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 10:20:06,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 10:20:06,405 INFO L82 PathProgramCache]: Analyzing trace with hash 515534978, now seen corresponding path program 1 times [2020-08-18 10:20:06,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 10:20:06,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574553098] [2020-08-18 10:20:06,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 10:20:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,679 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:20:06,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 10:20:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 10:20:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 10:20:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 10:20:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 10:20:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 10:20:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 10:20:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 10:20:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 10:20:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 10:20:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-18 10:20:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 10:20:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 10:20:06,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574553098] [2020-08-18 10:20:06,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 10:20:06,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 10:20:06,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144327595] [2020-08-18 10:20:06,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 10:20:06,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 10:20:06,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 10:20:06,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 10:20:06,809 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 10 states. [2020-08-18 10:20:07,263 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 10:20:08,050 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 10:20:08,300 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 10:20:08,586 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 10:20:08,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 10:20:08,758 INFO L93 Difference]: Finished difference Result 289 states and 366 transitions. [2020-08-18 10:20:08,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 10:20:08,761 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-08-18 10:20:08,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 10:20:08,761 INFO L225 Difference]: With dead ends: 289 [2020-08-18 10:20:08,761 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 10:20:08,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-18 10:20:08,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 10:20:08,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 10:20:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 10:20:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 10:20:08,765 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-18 10:20:08,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 10:20:08,766 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 10:20:08,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 10:20:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 10:20:08,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 10:20:08,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 10:20:08,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 10:20:09,229 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-18 10:20:10,916 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 202 [2020-08-18 10:20:11,285 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 10:20:11,439 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 10:20:11,600 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 10:20:11,934 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 10:20:12,224 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 10:20:12,380 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 10:20:12,577 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 10:20:12,887 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 10:20:13,206 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 10:20:13,506 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-18 10:20:13,805 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 10:20:13,982 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 10:20:14,288 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 10:20:14,447 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 10:20:14,628 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 10:20:14,784 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 10:20:14,940 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 10:20:15,260 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 10:20:15,424 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-18 10:20:15,583 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-18 10:20:15,855 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-18 10:20:16,144 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 10:20:16,149 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-08-18 10:20:16,149 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 660) no Hoare annotation was computed. [2020-08-18 10:20:16,149 INFO L268 CegarLoopResult]: For program point L661(lines 638 662) no Hoare annotation was computed. [2020-08-18 10:20:16,149 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 614 669) no Hoare annotation was computed. [2020-08-18 10:20:16,149 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 614 669) no Hoare annotation was computed. [2020-08-18 10:20:16,149 INFO L268 CegarLoopResult]: For program point L645(lines 645 649) no Hoare annotation was computed. [2020-08-18 10:20:16,149 INFO L268 CegarLoopResult]: For program point L645-1(lines 645 649) no Hoare annotation was computed. [2020-08-18 10:20:16,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 614 669) no Hoare annotation was computed. [2020-08-18 10:20:16,150 INFO L268 CegarLoopResult]: For program point L702(lines 702 706) no Hoare annotation was computed. [2020-08-18 10:20:16,150 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 706) no Hoare annotation was computed. [2020-08-18 10:20:16,150 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-08-18 10:20:16,150 INFO L268 CegarLoopResult]: For program point L696-2(lines 696 721) no Hoare annotation was computed. [2020-08-18 10:20:16,150 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 670 729) no Hoare annotation was computed. [2020-08-18 10:20:16,151 INFO L268 CegarLoopResult]: For program point L722(lines 695 723) no Hoare annotation was computed. [2020-08-18 10:20:16,151 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 670 729) no Hoare annotation was computed. [2020-08-18 10:20:16,151 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-08-18 10:20:16,151 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-08-18 10:20:16,151 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 670 729) no Hoare annotation was computed. [2020-08-18 10:20:16,151 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 164 170) the Hoare annotation is: true [2020-08-18 10:20:16,151 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 164 170) no Hoare annotation was computed. [2020-08-18 10:20:16,151 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 171 179) no Hoare annotation was computed. [2020-08-18 10:20:16,151 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 171 179) the Hoare annotation is: true [2020-08-18 10:20:16,152 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 171 179) no Hoare annotation was computed. [2020-08-18 10:20:16,152 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,152 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,152 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,152 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,153 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-08-18 10:20:16,153 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-08-18 10:20:16,153 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,153 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,153 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-08-18 10:20:16,153 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-08-18 10:20:16,154 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 10:20:16,154 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-18 10:20:16,154 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 10:20:16,154 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-18 10:20:16,154 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 10:20:16,154 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-18 10:20:16,154 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 10:20:16,154 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 10:20:16,154 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 10:20:16,155 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 10:20:16,155 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-18 10:20:16,155 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-18 10:20:16,155 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 10:20:16,155 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-18 10:20:16,155 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-18 10:20:16,155 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 10:20:16,155 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-18 10:20:16,155 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-18 10:20:16,156 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 359 367) no Hoare annotation was computed. [2020-08-18 10:20:16,156 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 359 367) the Hoare annotation is: true [2020-08-18 10:20:16,156 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 359 367) no Hoare annotation was computed. [2020-08-18 10:20:16,156 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-08-18 10:20:16,156 INFO L271 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: true [2020-08-18 10:20:16,156 INFO L268 CegarLoopResult]: For program point L413-2(lines 413 417) no Hoare annotation was computed. [2020-08-18 10:20:16,156 INFO L268 CegarLoopResult]: For program point L411-1(line 411) no Hoare annotation was computed. [2020-08-18 10:20:16,156 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 404 422) the Hoare annotation is: true [2020-08-18 10:20:16,157 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 404 422) no Hoare annotation was computed. [2020-08-18 10:20:16,157 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 404 422) no Hoare annotation was computed. [2020-08-18 10:20:16,157 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-08-18 10:20:16,157 INFO L268 CegarLoopResult]: For program point L375(lines 375 383) no Hoare annotation was computed. [2020-08-18 10:20:16,157 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 383) no Hoare annotation was computed. [2020-08-18 10:20:16,157 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 368 403) no Hoare annotation was computed. [2020-08-18 10:20:16,157 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 10:20:16,157 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-08-18 10:20:16,158 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 368 403) no Hoare annotation was computed. [2020-08-18 10:20:16,158 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-08-18 10:20:16,158 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 368 403) no Hoare annotation was computed. [2020-08-18 10:20:16,158 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 157 163) no Hoare annotation was computed. [2020-08-18 10:20:16,158 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 157 163) the Hoare annotation is: true [2020-08-18 10:20:16,158 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 568 613) no Hoare annotation was computed. [2020-08-18 10:20:16,158 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 568 613) no Hoare annotation was computed. [2020-08-18 10:20:16,158 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 568 613) no Hoare annotation was computed. [2020-08-18 10:20:16,159 INFO L268 CegarLoopResult]: For program point L895(lines 895 915) no Hoare annotation was computed. [2020-08-18 10:20:16,159 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 915) no Hoare annotation was computed. [2020-08-18 10:20:16,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 881 926) no Hoare annotation was computed. [2020-08-18 10:20:16,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 881 926) no Hoare annotation was computed. [2020-08-18 10:20:16,159 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 881 926) no Hoare annotation was computed. [2020-08-18 10:20:16,159 INFO L268 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-08-18 10:20:16,159 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,159 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,160 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-08-18 10:20:16,160 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-08-18 10:20:16,160 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-08-18 10:20:16,160 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-08-18 10:20:16,160 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 348 358) no Hoare annotation was computed. [2020-08-18 10:20:16,160 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 348 358) no Hoare annotation was computed. [2020-08-18 10:20:16,160 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 348 358) no Hoare annotation was computed. [2020-08-18 10:20:16,160 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 340 347) the Hoare annotation is: true [2020-08-18 10:20:16,160 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 340 347) no Hoare annotation was computed. [2020-08-18 10:20:16,161 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 340 347) no Hoare annotation was computed. [2020-08-18 10:20:16,161 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 289 313) no Hoare annotation was computed. [2020-08-18 10:20:16,161 INFO L264 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:20:16,161 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 289 313) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:20:16,161 INFO L268 CegarLoopResult]: For program point L308-1(lines 289 313) no Hoare annotation was computed. [2020-08-18 10:20:16,161 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:20:16,161 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:20:16,161 INFO L268 CegarLoopResult]: For program point L297(lines 297 305) no Hoare annotation was computed. [2020-08-18 10:20:16,162 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:20:16,162 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-08-18 10:20:16,162 INFO L268 CegarLoopResult]: For program point L293(lines 293 310) no Hoare annotation was computed. [2020-08-18 10:20:16,162 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 281 287) no Hoare annotation was computed. [2020-08-18 10:20:16,162 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 281 287) the Hoare annotation is: true [2020-08-18 10:20:16,162 INFO L264 CegarLoopResult]: At program point L227-2(lines 221 232) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 10:20:16,162 INFO L268 CegarLoopResult]: For program point L192(lines 191 236) no Hoare annotation was computed. [2020-08-18 10:20:16,162 INFO L264 CegarLoopResult]: At program point testENTRY(lines 181 244) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,163 INFO L268 CegarLoopResult]: For program point L221(lines 221 232) no Hoare annotation was computed. [2020-08-18 10:20:16,163 INFO L268 CegarLoopResult]: For program point testFINAL(lines 181 244) no Hoare annotation was computed. [2020-08-18 10:20:16,163 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 10:20:16,163 INFO L268 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2020-08-18 10:20:16,163 INFO L268 CegarLoopResult]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2020-08-18 10:20:16,163 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 10:20:16,163 INFO L264 CegarLoopResult]: At program point L234(lines 191 236) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 10:20:16,164 INFO L268 CegarLoopResult]: For program point L201(lines 201 207) no Hoare annotation was computed. [2020-08-18 10:20:16,164 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 207) no Hoare annotation was computed. [2020-08-18 10:20:16,164 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-08-18 10:20:16,164 INFO L264 CegarLoopResult]: At program point L237(lines 190 238) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 10:20:16,164 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-08-18 10:20:16,164 INFO L268 CegarLoopResult]: For program point testEXIT(lines 181 244) no Hoare annotation was computed. [2020-08-18 10:20:16,164 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 835 880) no Hoare annotation was computed. [2020-08-18 10:20:16,164 INFO L268 CegarLoopResult]: For program point L855(lines 855 862) no Hoare annotation was computed. [2020-08-18 10:20:16,164 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 835 880) no Hoare annotation was computed. [2020-08-18 10:20:16,164 INFO L268 CegarLoopResult]: For program point L849(lines 849 869) no Hoare annotation was computed. [2020-08-18 10:20:16,165 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 835 880) no Hoare annotation was computed. [2020-08-18 10:20:16,165 INFO L268 CegarLoopResult]: For program point L849-1(lines 849 869) no Hoare annotation was computed. [2020-08-18 10:20:16,165 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 314 321) no Hoare annotation was computed. [2020-08-18 10:20:16,165 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 314 321) no Hoare annotation was computed. [2020-08-18 10:20:16,165 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 314 321) no Hoare annotation was computed. [2020-08-18 10:20:16,165 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 504 512) no Hoare annotation was computed. [2020-08-18 10:20:16,165 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 504 512) the Hoare annotation is: true [2020-08-18 10:20:16,165 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 504 512) no Hoare annotation was computed. [2020-08-18 10:20:16,165 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-08-18 10:20:16,166 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-08-18 10:20:16,166 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-18 10:20:16,166 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-08-18 10:20:16,166 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-08-18 10:20:16,166 INFO L268 CegarLoopResult]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2020-08-18 10:20:16,166 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 10:20:16,166 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-08-18 10:20:16,166 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 10:20:16,167 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2020-08-18 10:20:16,167 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 10:20:16,167 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 10:20:16,167 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-08-18 10:20:16,167 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-08-18 10:20:16,167 INFO L268 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-08-18 10:20:16,167 INFO L268 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-08-18 10:20:16,167 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 472 494) no Hoare annotation was computed. [2020-08-18 10:20:16,167 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 472 494) no Hoare annotation was computed. [2020-08-18 10:20:16,168 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 472 494) no Hoare annotation was computed. [2020-08-18 10:20:16,168 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 147 156) no Hoare annotation was computed. [2020-08-18 10:20:16,168 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 147 156) no Hoare annotation was computed. [2020-08-18 10:20:16,168 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 147 156) no Hoare annotation was computed. [2020-08-18 10:20:16,168 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 732 834) no Hoare annotation was computed. [2020-08-18 10:20:16,168 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-08-18 10:20:16,168 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-08-18 10:20:16,168 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-18 10:20:16,168 INFO L268 CegarLoopResult]: For program point L820(lines 820 831) no Hoare annotation was computed. [2020-08-18 10:20:16,169 INFO L268 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-08-18 10:20:16,169 INFO L268 CegarLoopResult]: For program point L781-2(lines 781 801) no Hoare annotation was computed. [2020-08-18 10:20:16,169 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 732 834) no Hoare annotation was computed. [2020-08-18 10:20:16,169 INFO L268 CegarLoopResult]: For program point L802(lines 780 803) no Hoare annotation was computed. [2020-08-18 10:20:16,169 INFO L268 CegarLoopResult]: For program point L761(lines 761 777) no Hoare annotation was computed. [2020-08-18 10:20:16,169 INFO L268 CegarLoopResult]: For program point L821(lines 821 828) no Hoare annotation was computed. [2020-08-18 10:20:16,169 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 732 834) no Hoare annotation was computed. [2020-08-18 10:20:16,169 INFO L268 CegarLoopResult]: For program point L782(lines 781 801) no Hoare annotation was computed. [2020-08-18 10:20:16,170 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-18 10:20:16,170 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-08-18 10:20:16,170 INFO L268 CegarLoopResult]: For program point L778(lines 778 819) no Hoare annotation was computed. [2020-08-18 10:20:16,170 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:20:16,170 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 10:20:16,170 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:20:16,171 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-08-18 10:20:16,171 INFO L268 CegarLoopResult]: For program point L334-1(lines 323 339) no Hoare annotation was computed. [2020-08-18 10:20:16,171 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 323 339) no Hoare annotation was computed. [2020-08-18 10:20:16,171 INFO L268 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2020-08-18 10:20:16,171 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 323 339) no Hoare annotation was computed. [2020-08-18 10:20:16,171 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-08-18 10:20:16,171 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-08-18 10:20:16,171 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 495 503) no Hoare annotation was computed. [2020-08-18 10:20:16,171 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 495 503) no Hoare annotation was computed. [2020-08-18 10:20:16,172 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 495 503) no Hoare annotation was computed. [2020-08-18 10:20:16,172 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 451 462) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 10:20:16,172 INFO L268 CegarLoopResult]: For program point L455-1(lines 451 462) no Hoare annotation was computed. [2020-08-18 10:20:16,172 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 451 462) no Hoare annotation was computed. [2020-08-18 10:20:16,172 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:20:16,172 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 10:20:16,172 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:20:16,172 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 257 280) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:20:16,173 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:20:16,173 INFO L264 CegarLoopResult]: At program point L268(lines 268 274) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:20:16,173 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 257 280) no Hoare annotation was computed. [2020-08-18 10:20:16,173 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 10:20:16,173 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 257 280) no Hoare annotation was computed. [2020-08-18 10:20:16,173 INFO L268 CegarLoopResult]: For program point L261(lines 260 279) no Hoare annotation was computed. [2020-08-18 10:20:16,173 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-18 10:20:16,173 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-18 10:20:16,174 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-18 10:20:16,174 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-18 10:20:16,174 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-18 10:20:16,174 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-18 10:20:16,174 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-18 10:20:16,174 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-18 10:20:16,174 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-18 10:20:16,174 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-18 10:20:16,174 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 463 471) the Hoare annotation is: true [2020-08-18 10:20:16,175 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 463 471) no Hoare annotation was computed. [2020-08-18 10:20:16,175 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 463 471) no Hoare annotation was computed. [2020-08-18 10:20:16,175 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 427 438) the Hoare annotation is: true [2020-08-18 10:20:16,175 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-08-18 10:20:16,175 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 427 438) no Hoare annotation was computed. [2020-08-18 10:20:16,175 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-18 10:20:16,175 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-18 10:20:16,175 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 10:20:16,176 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 10:20:16,176 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 10:20:16,176 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 10:20:16,176 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 439 450) no Hoare annotation was computed. [2020-08-18 10:20:16,176 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-08-18 10:20:16,176 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 439 450) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 10:20:16,176 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 514 521) no Hoare annotation was computed. [2020-08-18 10:20:16,177 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-08-18 10:20:16,177 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 514 521) the Hoare annotation is: true [2020-08-18 10:20:16,177 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 514 521) no Hoare annotation was computed. [2020-08-18 10:20:16,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 10:20:16 BoogieIcfgContainer [2020-08-18 10:20:16,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 10:20:16,195 INFO L168 Benchmark]: Toolchain (without parser) took 23590.80 ms. Allocated memory was 146.8 MB in the beginning and 516.4 MB in the end (delta: 369.6 MB). Free memory was 102.0 MB in the beginning and 170.1 MB in the end (delta: -68.1 MB). Peak memory consumption was 389.3 MB. Max. memory is 7.1 GB. [2020-08-18 10:20:16,196 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 10:20:16,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.01 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 171.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-08-18 10:20:16,197 INFO L168 Benchmark]: Boogie Preprocessor took 86.87 ms. Allocated memory is still 203.9 MB. Free memory was 171.3 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 10:20:16,198 INFO L168 Benchmark]: RCFGBuilder took 3185.36 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 167.1 MB in the beginning and 197.1 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-08-18 10:20:16,199 INFO L168 Benchmark]: TraceAbstraction took 19544.17 ms. Allocated memory was 234.9 MB in the beginning and 516.4 MB in the end (delta: 281.5 MB). Free memory was 195.6 MB in the beginning and 170.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 394.8 MB. Max. memory is 7.1 GB. [2020-08-18 10:20:16,203 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.01 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 101.8 MB in the beginning and 171.3 MB in the end (delta: -69.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.87 ms. Allocated memory is still 203.9 MB. Free memory was 171.3 MB in the beginning and 167.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3185.36 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 167.1 MB in the beginning and 197.1 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19544.17 ms. Allocated memory was 234.9 MB in the beginning and 516.4 MB in the end (delta: 281.5 MB). Free memory was 195.6 MB in the beginning and 170.1 MB in the end (delta: 25.6 MB). Peak memory consumption was 394.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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: 191]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 226 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 425 SDtfs, 749 SDslu, 368 SDs, 0 SdLazy, 1682 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 759 HoareAnnotationTreeSize, 246 FomulaSimplifications, 90420 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 8518 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 84318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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...