/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 true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 21:40:12,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 21:40:12,238 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 21:40:12,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 21:40:12,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 21:40:12,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 21:40:12,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 21:40:12,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 21:40:12,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 21:40:12,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 21:40:12,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 21:40:12,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 21:40:12,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 21:40:12,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 21:40:12,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 21:40:12,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 21:40:12,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 21:40:12,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 21:40:12,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 21:40:12,322 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 21:40:12,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 21:40:12,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 21:40:12,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 21:40:12,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 21:40:12,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 21:40:12,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 21:40:12,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 21:40:12,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 21:40:12,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 21:40:12,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 21:40:12,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 21:40:12,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 21:40:12,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 21:40:12,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 21:40:12,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 21:40:12,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 21:40:12,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 21:40:12,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 21:40:12,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 21:40:12,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 21:40:12,339 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 21:40:12,340 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 21:40:12,361 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 21:40:12,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 21:40:12,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 21:40:12,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 21:40:12,363 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 21:40:12,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 21:40:12,364 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 21:40:12,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 21:40:12,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 21:40:12,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 21:40:12,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 21:40:12,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 21:40:12,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 21:40:12,365 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 21:40:12,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 21:40:12,365 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 21:40:12,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 21:40:12,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 21:40:12,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 21:40:12,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 21:40:12,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 21:40:12,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 21:40:12,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 21:40:12,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 21:40:12,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 21:40:12,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 21:40:12,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 21:40:12,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 21:40:12,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 21:40:12,368 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 -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=NARROWEST; [2020-08-18 21:40:12,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 21:40:12,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 21:40:12,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 21:40:12,715 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 21:40:12,716 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 21:40:12,716 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2020-08-18 21:40:12,773 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95b79ab6d/c0bfa0b2e0d84afb9ce97bd6697bbd1c/FLAGae116db74 [2020-08-18 21:40:13,320 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 21:40:13,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product21.cil.c [2020-08-18 21:40:13,341 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95b79ab6d/c0bfa0b2e0d84afb9ce97bd6697bbd1c/FLAGae116db74 [2020-08-18 21:40:13,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95b79ab6d/c0bfa0b2e0d84afb9ce97bd6697bbd1c [2020-08-18 21:40:13,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 21:40:13,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 21:40:13,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 21:40:13,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 21:40:13,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 21:40:13,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:40:13" (1/1) ... [2020-08-18 21:40:13,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c2ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:13, skipping insertion in model container [2020-08-18 21:40:13,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 09:40:13" (1/1) ... [2020-08-18 21:40:13,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 21:40:13,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 21:40:14,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:40:14,228 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 21:40:14,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 21:40:14,334 INFO L208 MainTranslator]: Completed translation [2020-08-18 21:40:14,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14 WrapperNode [2020-08-18 21:40:14,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 21:40:14,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 21:40:14,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 21:40:14,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 21:40:14,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14" (1/1) ... [2020-08-18 21:40:14,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14" (1/1) ... [2020-08-18 21:40:14,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14" (1/1) ... [2020-08-18 21:40:14,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14" (1/1) ... [2020-08-18 21:40:14,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14" (1/1) ... [2020-08-18 21:40:14,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14" (1/1) ... [2020-08-18 21:40:14,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14" (1/1) ... [2020-08-18 21:40:14,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 21:40:14,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 21:40:14,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 21:40:14,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 21:40:14,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14" (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 21:40:14,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 21:40:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 21:40:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 21:40:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 21:40:14,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 21:40:14,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 21:40:14,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 21:40:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 21:40:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 21:40:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 21:40:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 21:40:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 21:40:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 21:40:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 21:40:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 21:40:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 21:40:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 21:40:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 21:40:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 21:40:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 21:40:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 21:40:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 21:40:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 21:40:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 21:40:14,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 21:40:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 21:40:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 21:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 21:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 21:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 21:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 21:40:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 21:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 21:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 21:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 21:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 21:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 21:40:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 21:40:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 21:40:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 21:40:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 21:40:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 21:40:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 21:40:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 21:40:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 21:40:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 21:40:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 21:40:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 21:40:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 21:40:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 21:40:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 21:40:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 21:40:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 21:40:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 21:40:14,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 21:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 21:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 21:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 21:40:14,521 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 21:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 21:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 21:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 21:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 21:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 21:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 21:40:14,522 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 21:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 21:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 21:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 21:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 21:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 21:40:14,523 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 21:40:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 21:40:14,524 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 21:40:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 21:40:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 21:40:14,525 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 21:40:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 21:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 21:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 21:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 21:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 21:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 21:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 21:40:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 21:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 21:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 21:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 21:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 21:40:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 21:40:15,678 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 21:40:15,679 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 21:40:15,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:40:15 BoogieIcfgContainer [2020-08-18 21:40:15,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 21:40:15,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 21:40:15,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 21:40:15,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 21:40:15,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 09:40:13" (1/3) ... [2020-08-18 21:40:15,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c53952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:40:15, skipping insertion in model container [2020-08-18 21:40:15,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 09:40:14" (2/3) ... [2020-08-18 21:40:15,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44c53952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 09:40:15, skipping insertion in model container [2020-08-18 21:40:15,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 09:40:15" (3/3) ... [2020-08-18 21:40:15,698 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product21.cil.c [2020-08-18 21:40:15,709 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 21:40:15,719 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 21:40:15,734 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 21:40:15,765 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 21:40:15,766 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 21:40:15,766 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 21:40:15,766 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 21:40:15,767 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 21:40:15,767 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 21:40:15,767 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 21:40:15,767 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 21:40:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-08-18 21:40:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 21:40:15,798 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:40:15,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:40:15,800 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:40:15,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:40:15,807 INFO L82 PathProgramCache]: Analyzing trace with hash 118320894, now seen corresponding path program 1 times [2020-08-18 21:40:15,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:40:15,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262919803] [2020-08-18 21:40:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:40:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:16,474 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:40:16,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:40:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:16,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:40:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:16,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:40:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:16,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:40:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:16,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:40:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:16,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 21:40:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:16,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 21:40:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:16,566 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 21:40:16,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262919803] [2020-08-18 21:40:16,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:40:16,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 21:40:16,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459458049] [2020-08-18 21:40:16,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 21:40:16,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:40:16,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 21:40:16,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 21:40:16,594 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-08-18 21:40:17,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:40:17,715 INFO L93 Difference]: Finished difference Result 279 states and 370 transitions. [2020-08-18 21:40:17,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 21:40:17,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 21:40:17,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:40:17,734 INFO L225 Difference]: With dead ends: 279 [2020-08-18 21:40:17,735 INFO L226 Difference]: Without dead ends: 151 [2020-08-18 21:40:17,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 21:40:17,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-18 21:40:17,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-08-18 21:40:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 21:40:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 141 transitions. [2020-08-18 21:40:17,826 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 141 transitions. Word has length 46 [2020-08-18 21:40:17,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:40:17,827 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 141 transitions. [2020-08-18 21:40:17,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 21:40:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2020-08-18 21:40:17,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 21:40:17,831 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:40:17,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 21:40:17,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 21:40:17,831 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:40:17,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:40:17,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1322865841, now seen corresponding path program 1 times [2020-08-18 21:40:17,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:40:17,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405096241] [2020-08-18 21:40:17,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:40:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:18,185 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:40:18,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:40:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:40:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:18,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:40:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:40:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:40:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:18,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 21:40:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:18,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 21:40:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 21:40:18,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405096241] [2020-08-18 21:40:18,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:40:18,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 21:40:18,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238065277] [2020-08-18 21:40:18,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 21:40:18,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:40:18,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 21:40:18,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 21:40:18,230 INFO L87 Difference]: Start difference. First operand 119 states and 141 transitions. Second operand 4 states. [2020-08-18 21:40:18,603 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:40:19,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:40:19,397 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2020-08-18 21:40:19,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 21:40:19,398 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 21:40:19,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:40:19,401 INFO L225 Difference]: With dead ends: 212 [2020-08-18 21:40:19,402 INFO L226 Difference]: Without dead ends: 135 [2020-08-18 21:40:19,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 21:40:19,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-08-18 21:40:19,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2020-08-18 21:40:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 21:40:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-08-18 21:40:19,441 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 47 [2020-08-18 21:40:19,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:40:19,441 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-08-18 21:40:19,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 21:40:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-08-18 21:40:19,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 21:40:19,444 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:40:19,444 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 21:40:19,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 21:40:19,444 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:40:19,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:40:19,445 INFO L82 PathProgramCache]: Analyzing trace with hash -847724257, now seen corresponding path program 1 times [2020-08-18 21:40:19,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:40:19,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862669691] [2020-08-18 21:40:19,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:40:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:19,750 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:40:19,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:40:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:19,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:40:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:19,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:40:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:19,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:40:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:19,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:40:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:19,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 21:40:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:19,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 21:40:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:19,870 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 21:40:19,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862669691] [2020-08-18 21:40:19,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:40:19,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 21:40:19,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932946278] [2020-08-18 21:40:19,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:40:19,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:40:19,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:40:19,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:40:19,873 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 8 states. [2020-08-18 21:40:20,220 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:40:20,541 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:20,787 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:21,036 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:22,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:40:22,042 INFO L93 Difference]: Finished difference Result 221 states and 275 transitions. [2020-08-18 21:40:22,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 21:40:22,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 21:40:22,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:40:22,047 INFO L225 Difference]: With dead ends: 221 [2020-08-18 21:40:22,047 INFO L226 Difference]: Without dead ends: 135 [2020-08-18 21:40:22,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 21:40:22,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-08-18 21:40:22,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 110. [2020-08-18 21:40:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 21:40:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2020-08-18 21:40:22,079 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 51 [2020-08-18 21:40:22,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:40:22,080 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2020-08-18 21:40:22,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:40:22,080 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2020-08-18 21:40:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-18 21:40:22,083 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:40:22,083 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 21:40:22,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 21:40:22,083 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:40:22,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:40:22,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1105305389, now seen corresponding path program 1 times [2020-08-18 21:40:22,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:40:22,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460313902] [2020-08-18 21:40:22,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:40:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,367 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:40:22,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:40:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:40:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:40:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:40:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:40:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-18 21:40:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:40:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:40:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 21:40:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-18 21:40:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:22,461 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 21:40:22,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460313902] [2020-08-18 21:40:22,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:40:22,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 21:40:22,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462976752] [2020-08-18 21:40:22,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 21:40:22,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:40:22,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 21:40:22,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 21:40:22,463 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 8 states. [2020-08-18 21:40:22,824 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:40:23,590 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:23,990 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:40:24,745 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:24,971 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:25,340 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 21:40:25,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:40:25,855 INFO L93 Difference]: Finished difference Result 343 states and 450 transitions. [2020-08-18 21:40:25,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 21:40:25,857 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-08-18 21:40:25,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:40:25,862 INFO L225 Difference]: With dead ends: 343 [2020-08-18 21:40:25,862 INFO L226 Difference]: Without dead ends: 257 [2020-08-18 21:40:25,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:40:25,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-08-18 21:40:25,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 187. [2020-08-18 21:40:25,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-08-18 21:40:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 222 transitions. [2020-08-18 21:40:25,915 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 222 transitions. Word has length 64 [2020-08-18 21:40:25,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:40:25,916 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 222 transitions. [2020-08-18 21:40:25,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 21:40:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 222 transitions. [2020-08-18 21:40:25,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-18 21:40:25,920 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 21:40:25,920 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 21:40:25,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 21:40:25,920 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 21:40:25,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 21:40:25,921 INFO L82 PathProgramCache]: Analyzing trace with hash -100838641, now seen corresponding path program 1 times [2020-08-18 21:40:25,921 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 21:40:25,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639555206] [2020-08-18 21:40:25,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 21:40:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,226 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:40:26,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 21:40:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 21:40:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 21:40:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 21:40:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 21:40:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 21:40:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 21:40:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:40:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 21:40:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 21:40:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-18 21:40:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 21:40:26,330 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 21:40:26,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639555206] [2020-08-18 21:40:26,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 21:40:26,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 21:40:26,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929980642] [2020-08-18 21:40:26,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 21:40:26,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 21:40:26,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 21:40:26,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 21:40:26,333 INFO L87 Difference]: Start difference. First operand 187 states and 222 transitions. Second operand 9 states. [2020-08-18 21:40:26,701 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 21:40:27,534 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:27,789 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:28,015 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 21:40:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 21:40:28,171 INFO L93 Difference]: Finished difference Result 313 states and 392 transitions. [2020-08-18 21:40:28,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 21:40:28,174 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-08-18 21:40:28,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 21:40:28,174 INFO L225 Difference]: With dead ends: 313 [2020-08-18 21:40:28,174 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 21:40:28,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-18 21:40:28,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 21:40:28,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 21:40:28,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 21:40:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 21:40:28,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-18 21:40:28,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 21:40:28,177 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 21:40:28,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 21:40:28,178 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 21:40:28,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 21:40:28,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 21:40:28,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 21:40:28,751 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 199 [2020-08-18 21:40:30,025 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 21:40:30,348 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 21:40:30,496 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:30,663 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 21:40:30,966 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 21:40:31,294 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 21:40:31,541 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 21:40:31,713 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 21:40:32,011 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 21:40:32,178 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-08-18 21:40:32,516 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-18 21:40:32,845 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-18 21:40:33,165 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-18 21:40:33,615 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-18 21:40:33,803 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:33,978 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:34,163 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:34,326 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:34,486 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 21:40:34,720 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 21:40:34,944 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 20 [2020-08-18 21:40:35,101 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-18 21:40:35,106 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 21:40:35,106 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 21:40:35,107 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 21:40:35,107 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 21:40:35,107 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 21:40:35,107 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 21:40:35,107 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 21:40:35,107 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 21:40:35,107 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 21:40:35,108 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 21:40:35,108 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 21:40:35,108 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 21:40:35,108 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 21:40:35,108 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 21:40:35,108 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 21:40:35,108 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 21:40:35,108 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 21:40:35,109 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 21:40:35,109 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 650 656) the Hoare annotation is: true [2020-08-18 21:40:35,109 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 650 656) no Hoare annotation was computed. [2020-08-18 21:40:35,109 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 657 665) no Hoare annotation was computed. [2020-08-18 21:40:35,109 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 657 665) the Hoare annotation is: true [2020-08-18 21:40:35,109 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 657 665) no Hoare annotation was computed. [2020-08-18 21:40:35,110 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:35,110 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-08-18 21:40:35,110 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 21:40:35,110 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 21:40:35,110 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-08-18 21:40:35,110 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-08-18 21:40:35,111 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-08-18 21:40:35,111 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-18 21:40:35,111 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:35,111 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:35,111 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:35,111 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-18 21:40:35,112 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-08-18 21:40:35,112 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-08-18 21:40:35,112 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-18 21:40:35,112 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 21:40:35,112 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-08-18 21:40:35,112 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-08-18 21:40:35,112 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-18 21:40:35,112 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-08-18 21:40:35,113 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-18 21:40:35,113 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 21:40:35,113 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-18 21:40:35,113 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-08-18 21:40:35,113 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 21:40:35,113 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-18 21:40:35,113 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-08-18 21:40:35,113 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-18 21:40:35,114 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 847 855) no Hoare annotation was computed. [2020-08-18 21:40:35,114 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 847 855) the Hoare annotation is: true [2020-08-18 21:40:35,114 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 847 855) no Hoare annotation was computed. [2020-08-18 21:40:35,114 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 892 910) the Hoare annotation is: true [2020-08-18 21:40:35,114 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 892 910) no Hoare annotation was computed. [2020-08-18 21:40:35,114 INFO L268 CegarLoopResult]: For program point L901(lines 901 905) no Hoare annotation was computed. [2020-08-18 21:40:35,114 INFO L271 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: true [2020-08-18 21:40:35,114 INFO L268 CegarLoopResult]: For program point L901-2(lines 901 905) no Hoare annotation was computed. [2020-08-18 21:40:35,114 INFO L268 CegarLoopResult]: For program point L899-1(line 899) no Hoare annotation was computed. [2020-08-18 21:40:35,114 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 892 910) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point L863(lines 863 871) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point L863-2(lines 863 871) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point L886-1(line 886) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 856 891) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point L875(lines 875 883) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point L875-2(lines 875 883) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 856 891) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 856 891) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 643 649) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 643 649) the Hoare annotation is: true [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 21:40:35,115 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:35,116 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-08-18 21:40:35,116 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 836 846) the Hoare annotation is: true [2020-08-18 21:40:35,117 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 836 846) no Hoare annotation was computed. [2020-08-18 21:40:35,117 INFO L271 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: true [2020-08-18 21:40:35,117 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-08-18 21:40:35,117 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 836 846) no Hoare annotation was computed. [2020-08-18 21:40:35,117 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 828 835) the Hoare annotation is: true [2020-08-18 21:40:35,117 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 828 835) no Hoare annotation was computed. [2020-08-18 21:40:35,117 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 828 835) no Hoare annotation was computed. [2020-08-18 21:40:35,117 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,118 INFO L268 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-08-18 21:40:35,118 INFO L268 CegarLoopResult]: For program point L799(lines 799 816) no Hoare annotation was computed. [2020-08-18 21:40:35,118 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 795 819) no Hoare annotation was computed. [2020-08-18 21:40:35,118 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 795 819) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,118 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,120 INFO L268 CegarLoopResult]: For program point L814-1(lines 795 819) no Hoare annotation was computed. [2020-08-18 21:40:35,120 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,120 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,120 INFO L268 CegarLoopResult]: For program point L803(lines 803 811) no Hoare annotation was computed. [2020-08-18 21:40:35,121 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 761 767) no Hoare annotation was computed. [2020-08-18 21:40:35,121 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 761 767) the Hoare annotation is: true [2020-08-18 21:40:35,121 INFO L264 CegarLoopResult]: At program point testENTRY(lines 667 730) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 21:40:35,121 INFO L268 CegarLoopResult]: For program point testFINAL(lines 667 730) no Hoare annotation was computed. [2020-08-18 21:40:35,121 INFO L264 CegarLoopResult]: At program point L723(lines 676 724) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 21:40:35,121 INFO L268 CegarLoopResult]: For program point L713(lines 713 717) no Hoare annotation was computed. [2020-08-18 21:40:35,121 INFO L264 CegarLoopResult]: At program point L713-2(lines 707 718) 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 21:40:35,121 INFO L268 CegarLoopResult]: For program point L678(lines 677 722) no Hoare annotation was computed. [2020-08-18 21:40:35,122 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-08-18 21:40:35,122 INFO L264 CegarLoopResult]: At program point L699(line 699) 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 21:40:35,122 INFO L268 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-08-18 21:40:35,122 INFO L268 CegarLoopResult]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2020-08-18 21:40:35,122 INFO L264 CegarLoopResult]: At program point L689(line 689) 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 21:40:35,122 INFO L264 CegarLoopResult]: At program point L720(lines 677 722) 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 21:40:35,122 INFO L268 CegarLoopResult]: For program point L687(lines 687 693) no Hoare annotation was computed. [2020-08-18 21:40:35,122 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2020-08-18 21:40:35,123 INFO L268 CegarLoopResult]: For program point L679(lines 679 683) no Hoare annotation was computed. [2020-08-18 21:40:35,123 INFO L268 CegarLoopResult]: For program point testEXIT(lines 667 730) no Hoare annotation was computed. [2020-08-18 21:40:35,123 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 21:40:35,123 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 21:40:35,123 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 21:40:35,123 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 21:40:35,123 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 21:40:35,123 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 21:40:35,123 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 622 630) no Hoare annotation was computed. [2020-08-18 21:40:35,124 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 622 630) the Hoare annotation is: true [2020-08-18 21:40:35,124 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 622 630) no Hoare annotation was computed. [2020-08-18 21:40:35,124 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 590 612) no Hoare annotation was computed. [2020-08-18 21:40:35,124 INFO L268 CegarLoopResult]: For program point L598(lines 598 606) no Hoare annotation was computed. [2020-08-18 21:40:35,124 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 590 612) no Hoare annotation was computed. [2020-08-18 21:40:35,124 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 590 612) no Hoare annotation was computed. [2020-08-18 21:40:35,124 INFO L268 CegarLoopResult]: For program point L598-2(lines 598 606) no Hoare annotation was computed. [2020-08-18 21:40:35,125 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 21:40:35,125 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 21:40:35,125 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 21:40:35,125 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 21:40:35,125 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 21:40:35,125 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 633 642) no Hoare annotation was computed. [2020-08-18 21:40:35,126 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 633 642) no Hoare annotation was computed. [2020-08-18 21:40:35,127 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 633 642) no Hoare annotation was computed. [2020-08-18 21:40:35,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:40:35,127 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~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 21:40:35,127 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:40:35,127 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 820 827) no Hoare annotation was computed. [2020-08-18 21:40:35,127 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 820 827) no Hoare annotation was computed. [2020-08-18 21:40:35,127 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 820 827) no Hoare annotation was computed. [2020-08-18 21:40:35,127 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 613 621) no Hoare annotation was computed. [2020-08-18 21:40:35,127 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 613 621) no Hoare annotation was computed. [2020-08-18 21:40:35,127 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 613 621) no Hoare annotation was computed. [2020-08-18 21:40:35,128 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:40:35,128 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 21:40:35,128 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:40:35,128 INFO L268 CegarLoopResult]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2020-08-18 21:40:35,128 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 569 580) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 21:40:35,128 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 569 580) no Hoare annotation was computed. [2020-08-18 21:40:35,128 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 581 589) the Hoare annotation is: true [2020-08-18 21:40:35,128 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 581 589) no Hoare annotation was computed. [2020-08-18 21:40:35,128 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 581 589) no Hoare annotation was computed. [2020-08-18 21:40:35,128 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 737 760) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,129 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,129 INFO L264 CegarLoopResult]: At program point L748(lines 748 754) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,129 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 737 760) no Hoare annotation was computed. [2020-08-18 21:40:35,129 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,129 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 737 760) no Hoare annotation was computed. [2020-08-18 21:40:35,129 INFO L268 CegarLoopResult]: For program point L741(lines 740 759) no Hoare annotation was computed. [2020-08-18 21:40:35,129 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-18 21:40:35,129 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-08-18 21:40:35,130 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-08-18 21:40:35,130 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-08-18 21:40:35,130 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-08-18 21:40:35,130 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-08-18 21:40:35,130 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-08-18 21:40:35,130 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 21:40:35,130 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-08-18 21:40:35,130 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-08-18 21:40:35,131 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 545 556) the Hoare annotation is: true [2020-08-18 21:40:35,131 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 545 556) no Hoare annotation was computed. [2020-08-18 21:40:35,131 INFO L268 CegarLoopResult]: For program point L549-1(lines 545 556) no Hoare annotation was computed. [2020-08-18 21:40:35,131 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-08-18 21:40:35,131 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-08-18 21:40:35,131 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 21:40:35,131 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 21:40:35,131 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 21:40:35,132 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 21:40:35,132 INFO L268 CegarLoopResult]: For program point L561-1(lines 557 568) no Hoare annotation was computed. [2020-08-18 21:40:35,132 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 557 568) no Hoare annotation was computed. [2020-08-18 21:40:35,132 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 557 568) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 21:40:35,132 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 912 919) no Hoare annotation was computed. [2020-08-18 21:40:35,132 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 916) no Hoare annotation was computed. [2020-08-18 21:40:35,133 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 912 919) the Hoare annotation is: true [2020-08-18 21:40:35,133 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 912 919) no Hoare annotation was computed. [2020-08-18 21:40:35,133 INFO L268 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2020-08-18 21:40:35,133 INFO L268 CegarLoopResult]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2020-08-18 21:40:35,133 INFO L271 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: true [2020-08-18 21:40:35,133 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-08-18 21:40:35,133 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2020-08-18 21:40:35,133 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2020-08-18 21:40:35,134 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 21:40:35,134 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-08-18 21:40:35,134 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 21:40:35,134 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-08-18 21:40:35,134 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 769 793) no Hoare annotation was computed. [2020-08-18 21:40:35,134 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 769 793) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,135 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,135 INFO L268 CegarLoopResult]: For program point L788-1(lines 769 793) no Hoare annotation was computed. [2020-08-18 21:40:35,135 INFO L264 CegarLoopResult]: At program point L783(line 783) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,135 INFO L264 CegarLoopResult]: At program point L779(line 779) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,135 INFO L268 CegarLoopResult]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-08-18 21:40:35,135 INFO L264 CegarLoopResult]: At program point L775(line 775) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 21:40:35,135 INFO L268 CegarLoopResult]: For program point L775-1(line 775) no Hoare annotation was computed. [2020-08-18 21:40:35,135 INFO L268 CegarLoopResult]: For program point L773(lines 773 790) no Hoare annotation was computed. [2020-08-18 21:40:35,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 09:40:35 BoogieIcfgContainer [2020-08-18 21:40:35,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 21:40:35,156 INFO L168 Benchmark]: Toolchain (without parser) took 21511.30 ms. Allocated memory was 140.0 MB in the beginning and 585.1 MB in the end (delta: 445.1 MB). Free memory was 101.9 MB in the beginning and 230.6 MB in the end (delta: -128.7 MB). Peak memory consumption was 464.5 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:35,157 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 21:40:35,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.20 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.7 MB in the beginning and 169.8 MB in the end (delta: -68.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:35,159 INFO L168 Benchmark]: Boogie Preprocessor took 93.12 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:35,160 INFO L168 Benchmark]: RCFGBuilder took 1259.07 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 165.8 MB in the beginning and 195.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:35,161 INFO L168 Benchmark]: TraceAbstraction took 19464.42 ms. Allocated memory was 236.5 MB in the beginning and 585.1 MB in the end (delta: 348.7 MB). Free memory was 195.8 MB in the beginning and 230.6 MB in the end (delta: -34.8 MB). Peak memory consumption was 461.9 MB. Max. memory is 7.1 GB. [2020-08-18 21:40:35,167 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.20 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 101.7 MB in the beginning and 169.8 MB in the end (delta: -68.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.12 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1259.07 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 165.8 MB in the beginning and 195.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19464.42 ms. Allocated memory was 236.5 MB in the beginning and 585.1 MB in the end (delta: 348.7 MB). Free memory was 195.8 MB in the beginning and 230.6 MB in the end (delta: -34.8 MB). Peak memory consumption was 461.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 916]: 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: 676]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 474 SDtfs, 689 SDslu, 285 SDs, 0 SdLazy, 1720 SolverSat, 417 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 152 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 329 PreInvPairs, 355 NumberOfFragments, 705 HoareAnnotationTreeSize, 329 FomulaSimplifications, 32721 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 56 FomulaSimplificationsInter, 9040 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 78406 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...