/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=SHALLOWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:05:39,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:05:39,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:05:39,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:05:39,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:05:39,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:05:39,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:05:39,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:05:39,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:05:39,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:05:39,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:05:39,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:05:39,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:05:39,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:05:39,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:05:39,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:05:39,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:05:39,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:05:39,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:05:39,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:05:39,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:05:39,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:05:39,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:05:39,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:05:39,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:05:39,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:05:39,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:05:39,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:05:39,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:05:39,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:05:39,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:05:39,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:05:39,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:05:39,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:05:39,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:05:39,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:05:39,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:05:39,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:05:39,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:05:39,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:05:39,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:05:39,305 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 20:05:39,326 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:05:39,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:05:39,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:05:39,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:05:39,328 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:05:39,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:05:39,329 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:05:39,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:05:39,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:05:39,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:05:39,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:05:39,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:05:39,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:05:39,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:05:39,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:05:39,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:05:39,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:05:39,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:05:39,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:05:39,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:05:39,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:05:39,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:05:39,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:05:39,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:05:39,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:05:39,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:05:39,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:05:39,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:05:39,333 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:05:39,333 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=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:05:39,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:05:39,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:05:39,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:05:39,647 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:05:39,647 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:05:39,648 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-08-18 20:05:39,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e22e90643/05b5b8cad7ad4536b33e94c05cdf7362/FLAG8a1b58e6d [2020-08-18 20:05:40,300 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:05:40,301 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product20.cil.c [2020-08-18 20:05:40,315 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e22e90643/05b5b8cad7ad4536b33e94c05cdf7362/FLAG8a1b58e6d [2020-08-18 20:05:40,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e22e90643/05b5b8cad7ad4536b33e94c05cdf7362 [2020-08-18 20:05:40,586 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:05:40,587 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:05:40,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:05:40,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:05:40,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:05:40,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:05:40" (1/1) ... [2020-08-18 20:05:40,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ecdd20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:40, skipping insertion in model container [2020-08-18 20:05:40,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:05:40" (1/1) ... [2020-08-18 20:05:40,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:05:40,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:05:41,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:05:41,153 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:05:41,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:05:41,262 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:05:41,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41 WrapperNode [2020-08-18 20:05:41,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:05:41,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:05:41,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:05:41,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:05:41,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41" (1/1) ... [2020-08-18 20:05:41,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41" (1/1) ... [2020-08-18 20:05:41,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41" (1/1) ... [2020-08-18 20:05:41,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41" (1/1) ... [2020-08-18 20:05:41,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41" (1/1) ... [2020-08-18 20:05:41,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41" (1/1) ... [2020-08-18 20:05:41,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41" (1/1) ... [2020-08-18 20:05:41,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:05:41,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:05:41,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:05:41,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:05:41,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41" (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 20:05:41,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:05:41,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:05:41,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 20:05:41,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 20:05:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 20:05:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 20:05:41,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 20:05:41,455 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 20:05:41,455 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 20:05:41,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 20:05:41,456 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 20:05:41,456 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 20:05:41,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 20:05:41,457 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 20:05:41,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 20:05:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 20:05:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 20:05:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 20:05:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 20:05:41,458 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 20:05:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:05:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 20:05:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 20:05:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 20:05:41,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 20:05:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 20:05:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 20:05:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 20:05:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 20:05:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 20:05:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 20:05:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 20:05:41,461 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 20:05:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 20:05:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 20:05:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 20:05:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 20:05:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 20:05:41,462 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 20:05:41,463 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 20:05:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:05:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:05:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:05:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 20:05:41,463 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 20:05:41,465 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 20:05:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 20:05:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 20:05:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 20:05:41,466 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 20:05:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 20:05:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 20:05:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 20:05:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 20:05:41,467 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 20:05:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 20:05:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 20:05:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 20:05:41,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:05:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 20:05:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 20:05:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 20:05:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 20:05:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 20:05:41,469 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 20:05:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 20:05:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:05:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 20:05:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:05:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:05:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 20:05:41,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:05:41,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:05:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:05:41,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:05:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 20:05:41,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:05:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 20:05:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 20:05:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:05:41,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 20:05:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 20:05:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 20:05:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 20:05:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 20:05:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 20:05:41,475 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 20:05:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 20:05:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 20:05:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 20:05:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 20:05:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:05:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:05:41,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:05:42,489 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:05:42,490 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 20:05:42,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:05:42 BoogieIcfgContainer [2020-08-18 20:05:42,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:05:42,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:05:42,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:05:42,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:05:42,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:05:40" (1/3) ... [2020-08-18 20:05:42,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71312ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:05:42, skipping insertion in model container [2020-08-18 20:05:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:05:41" (2/3) ... [2020-08-18 20:05:42,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71312ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:05:42, skipping insertion in model container [2020-08-18 20:05:42,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:05:42" (3/3) ... [2020-08-18 20:05:42,504 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2020-08-18 20:05:42,515 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:05:42,524 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:05:42,538 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:05:42,564 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:05:42,565 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:05:42,565 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:05:42,565 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:05:42,565 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:05:42,566 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:05:42,566 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:05:42,566 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:05:42,590 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-08-18 20:05:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 20:05:42,601 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:42,602 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 20:05:42,602 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:42,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:42,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1678806906, now seen corresponding path program 1 times [2020-08-18 20:05:42,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:42,619 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [93701846] [2020-08-18 20:05:42,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:43,345 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:43,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:43,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:43,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:43,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:43,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:43,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:43,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 20:05:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:43,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 20:05:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:43,440 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 20:05:43,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [93701846] [2020-08-18 20:05:43,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:43,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:05:43,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930536470] [2020-08-18 20:05:43,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:05:43,451 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:43,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:05:43,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:05:43,469 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 4 states. [2020-08-18 20:05:44,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:44,465 INFO L93 Difference]: Finished difference Result 271 states and 357 transitions. [2020-08-18 20:05:44,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 20:05:44,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 20:05:44,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:44,481 INFO L225 Difference]: With dead ends: 271 [2020-08-18 20:05:44,481 INFO L226 Difference]: Without dead ends: 153 [2020-08-18 20:05:44,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:05:44,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-08-18 20:05:44,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 119. [2020-08-18 20:05:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-18 20:05:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-18 20:05:44,581 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 51 [2020-08-18 20:05:44,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:44,581 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-18 20:05:44,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:05:44,582 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-18 20:05:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 20:05:44,585 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:44,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:05:44,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:05:44,586 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:44,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:44,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1533869534, now seen corresponding path program 1 times [2020-08-18 20:05:44,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:44,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940698165] [2020-08-18 20:05:44,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:44,924 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:44,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:44,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:44,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:44,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:44,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:44,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:44,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:05:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:44,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 20:05:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:44,986 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 20:05:44,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940698165] [2020-08-18 20:05:44,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:44,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 20:05:44,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164700153] [2020-08-18 20:05:44,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 20:05:44,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:44,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 20:05:44,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:05:44,990 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-08-18 20:05:45,450 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:05:46,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:46,250 INFO L93 Difference]: Finished difference Result 206 states and 256 transitions. [2020-08-18 20:05:46,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 20:05:46,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 20:05:46,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:46,253 INFO L225 Difference]: With dead ends: 206 [2020-08-18 20:05:46,253 INFO L226 Difference]: Without dead ends: 143 [2020-08-18 20:05:46,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 20:05:46,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-18 20:05:46,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 110. [2020-08-18 20:05:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 20:05:46,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-08-18 20:05:46,292 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 52 [2020-08-18 20:05:46,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:46,292 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-08-18 20:05:46,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 20:05:46,293 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-08-18 20:05:46,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 20:05:46,295 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:46,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:05:46,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:05:46,295 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:46,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:46,296 INFO L82 PathProgramCache]: Analyzing trace with hash 2046992772, now seen corresponding path program 1 times [2020-08-18 20:05:46,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:46,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59673020] [2020-08-18 20:05:46,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:46,667 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:46,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:46,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:46,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:46,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:46,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:46,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 20:05:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:46,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 20:05:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:46,803 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 20:05:46,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59673020] [2020-08-18 20:05:46,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:46,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 20:05:46,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252274706] [2020-08-18 20:05:46,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:05:46,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:46,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:05:46,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:05:46,811 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 9 states. [2020-08-18 20:05:47,170 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:05:47,515 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:47,796 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:48,033 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:48,809 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:05:50,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:50,331 INFO L93 Difference]: Finished difference Result 378 states and 478 transitions. [2020-08-18 20:05:50,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 20:05:50,331 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 20:05:50,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:50,336 INFO L225 Difference]: With dead ends: 378 [2020-08-18 20:05:50,336 INFO L226 Difference]: Without dead ends: 296 [2020-08-18 20:05:50,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 20:05:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-08-18 20:05:50,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 231. [2020-08-18 20:05:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-08-18 20:05:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 280 transitions. [2020-08-18 20:05:50,409 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 280 transitions. Word has length 57 [2020-08-18 20:05:50,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:50,410 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 280 transitions. [2020-08-18 20:05:50,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:05:50,410 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 280 transitions. [2020-08-18 20:05:50,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 20:05:50,412 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:50,412 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] [2020-08-18 20:05:50,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:05:50,413 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:50,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:50,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1465271355, now seen corresponding path program 1 times [2020-08-18 20:05:50,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:50,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526185525] [2020-08-18 20:05:50,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,743 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:50,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 20:05:50,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 20:05:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 20:05:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:50,832 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 20:05:50,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526185525] [2020-08-18 20:05:50,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:50,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 20:05:50,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232366750] [2020-08-18 20:05:50,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:05:50,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:50,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:05:50,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:05:50,834 INFO L87 Difference]: Start difference. First operand 231 states and 280 transitions. Second operand 9 states. [2020-08-18 20:05:51,241 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:05:52,422 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:52,734 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:52,991 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:53,209 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:05:54,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:54,274 INFO L93 Difference]: Finished difference Result 742 states and 996 transitions. [2020-08-18 20:05:54,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 20:05:54,275 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-18 20:05:54,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:54,281 INFO L225 Difference]: With dead ends: 742 [2020-08-18 20:05:54,281 INFO L226 Difference]: Without dead ends: 539 [2020-08-18 20:05:54,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 20:05:54,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-08-18 20:05:54,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 410. [2020-08-18 20:05:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-08-18 20:05:54,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 500 transitions. [2020-08-18 20:05:54,409 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 500 transitions. Word has length 62 [2020-08-18 20:05:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:54,410 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 500 transitions. [2020-08-18 20:05:54,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:05:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 500 transitions. [2020-08-18 20:05:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-18 20:05:54,412 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:05:54,412 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] [2020-08-18 20:05:54,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:05:54,413 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:05:54,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:05:54,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1017707479, now seen corresponding path program 1 times [2020-08-18 20:05:54,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:05:54,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [879550970] [2020-08-18 20:05:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:05:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,762 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:05:54,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:05:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:05:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:05:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:05:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:05:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 20:05:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 20:05:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 20:05:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 20:05:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-18 20:05:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:05:54,904 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 20:05:54,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [879550970] [2020-08-18 20:05:54,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:05:54,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 20:05:54,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831593294] [2020-08-18 20:05:54,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 20:05:54,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:05:54,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 20:05:54,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:05:54,907 INFO L87 Difference]: Start difference. First operand 410 states and 500 transitions. Second operand 10 states. [2020-08-18 20:05:55,308 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:05:56,331 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:56,605 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:56,865 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 20:05:57,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:05:57,389 INFO L93 Difference]: Finished difference Result 811 states and 1101 transitions. [2020-08-18 20:05:57,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 20:05:57,392 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-18 20:05:57,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:05:57,392 INFO L225 Difference]: With dead ends: 811 [2020-08-18 20:05:57,393 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:05:57,396 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-18 20:05:57,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:05:57,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:05:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:05:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:05:57,397 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-18 20:05:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:05:57,397 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:05:57,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 20:05:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:05:57,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:05:57,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:05:57,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:06:01,560 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 20:06:01,742 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:06:01,930 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 20:06:02,100 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-18 20:06:02,280 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 20:06:02,653 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 20:06:03,009 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-18 20:06:03,347 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 20:06:03,644 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-18 20:06:03,856 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:06:04,168 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 20:06:04,308 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 20:06:04,622 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-18 20:06:04,844 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:06:05,168 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 20:06:05,347 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:06:05,889 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-18 20:06:06,063 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:06:06,406 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 20:06:06,570 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 20:06:06,740 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:06:06,915 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 20:06:07,118 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 20:06:07,496 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-18 20:06:07,813 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 20:06:07,817 INFO L268 CegarLoopResult]: For program point L414(lines 391 415) no Hoare annotation was computed. [2020-08-18 20:06:07,817 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 367 422) no Hoare annotation was computed. [2020-08-18 20:06:07,817 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-08-18 20:06:07,817 INFO L268 CegarLoopResult]: For program point L398-1(lines 398 402) no Hoare annotation was computed. [2020-08-18 20:06:07,818 INFO L268 CegarLoopResult]: For program point L393(line 393) no Hoare annotation was computed. [2020-08-18 20:06:07,818 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 367 422) no Hoare annotation was computed. [2020-08-18 20:06:07,818 INFO L268 CegarLoopResult]: For program point L392-2(lines 392 413) no Hoare annotation was computed. [2020-08-18 20:06:07,818 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 367 422) no Hoare annotation was computed. [2020-08-18 20:06:07,818 INFO L268 CegarLoopResult]: For program point L449-2(lines 449 474) no Hoare annotation was computed. [2020-08-18 20:06:07,818 INFO L268 CegarLoopResult]: For program point L475(lines 448 476) no Hoare annotation was computed. [2020-08-18 20:06:07,819 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 423 482) no Hoare annotation was computed. [2020-08-18 20:06:07,819 INFO L268 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-08-18 20:06:07,819 INFO L268 CegarLoopResult]: For program point L468-1(line 468) no Hoare annotation was computed. [2020-08-18 20:06:07,819 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 423 482) no Hoare annotation was computed. [2020-08-18 20:06:07,820 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 423 482) no Hoare annotation was computed. [2020-08-18 20:06:07,820 INFO L268 CegarLoopResult]: For program point L455(lines 455 459) no Hoare annotation was computed. [2020-08-18 20:06:07,820 INFO L268 CegarLoopResult]: For program point L455-1(lines 455 459) no Hoare annotation was computed. [2020-08-18 20:06:07,820 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-08-18 20:06:07,820 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 103 109) the Hoare annotation is: true [2020-08-18 20:06:07,820 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 103 109) no Hoare annotation was computed. [2020-08-18 20:06:07,821 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 110 118) no Hoare annotation was computed. [2020-08-18 20:06:07,821 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 110 118) the Hoare annotation is: true [2020-08-18 20:06:07,821 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 110 118) no Hoare annotation was computed. [2020-08-18 20:06:07,821 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 291 313) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:06:07,821 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 291 313) no Hoare annotation was computed. [2020-08-18 20:06:07,821 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 20:06:07,822 INFO L264 CegarLoopResult]: At program point L303-1(line 303) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 20:06:07,822 INFO L268 CegarLoopResult]: For program point L301(lines 301 308) no Hoare annotation was computed. [2020-08-18 20:06:07,822 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 291 313) no Hoare annotation was computed. [2020-08-18 20:06:07,822 INFO L268 CegarLoopResult]: For program point L301-1(lines 301 308) no Hoare annotation was computed. [2020-08-18 20:06:07,822 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-18 20:06:07,823 INFO L264 CegarLoopResult]: At program point L298(line 298) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:06:07,823 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:06:07,823 INFO L264 CegarLoopResult]: At program point L297-1(line 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:06:07,823 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-08-18 20:06:07,823 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-08-18 20:06:07,823 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 248 271) no Hoare annotation was computed. [2020-08-18 20:06:07,824 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-08-18 20:06:07,824 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-08-18 20:06:07,824 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-08-18 20:06:07,824 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 248 271) no Hoare annotation was computed. [2020-08-18 20:06:07,824 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 248 271) no Hoare annotation was computed. [2020-08-18 20:06:07,824 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-08-18 20:06:07,824 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-08-18 20:06:07,824 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-08-18 20:06:07,825 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-08-18 20:06:07,825 INFO L268 CegarLoopResult]: For program point L262(line 262) no Hoare annotation was computed. [2020-08-18 20:06:07,825 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-18 20:06:07,825 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-08-18 20:06:07,825 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-08-18 20:06:07,825 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-08-18 20:06:07,825 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2020-08-18 20:06:07,826 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 20:06:07,826 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-08-18 20:06:07,826 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 20:06:07,826 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2020-08-18 20:06:07,826 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2020-08-18 20:06:07,826 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2020-08-18 20:06:07,826 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2020-08-18 20:06:07,826 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2020-08-18 20:06:07,826 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-08-18 20:06:07,827 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point L866(lines 866 874) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 96 102) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 96 102) the Hoare annotation is: true [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 321 366) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 321 366) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 321 366) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 634 679) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point L654(lines 654 661) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 634 679) no Hoare annotation was computed. [2020-08-18 20:06:07,828 INFO L268 CegarLoopResult]: For program point L648(lines 648 668) no Hoare annotation was computed. [2020-08-18 20:06:07,829 INFO L268 CegarLoopResult]: For program point L648-1(lines 648 668) no Hoare annotation was computed. [2020-08-18 20:06:07,829 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 634 679) no Hoare annotation was computed. [2020-08-18 20:06:07,829 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 280 290) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:06:07,829 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:06:07,829 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 280 290) no Hoare annotation was computed. [2020-08-18 20:06:07,829 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 280 290) no Hoare annotation was computed. [2020-08-18 20:06:07,830 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 839 849) no Hoare annotation was computed. [2020-08-18 20:06:07,830 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-18 20:06:07,830 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-08-18 20:06:07,830 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2020-08-18 20:06:07,830 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2020-08-18 20:06:07,830 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2020-08-18 20:06:07,831 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2020-08-18 20:06:07,831 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2020-08-18 20:06:07,831 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 798 822) no Hoare annotation was computed. [2020-08-18 20:06:07,831 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 798 822) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:06:07,831 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:06:07,831 INFO L268 CegarLoopResult]: For program point L817-1(lines 798 822) no Hoare annotation was computed. [2020-08-18 20:06:07,831 INFO L264 CegarLoopResult]: At program point L812(line 812) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:06:07,831 INFO L264 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:06:07,832 INFO L268 CegarLoopResult]: For program point L806(lines 806 814) no Hoare annotation was computed. [2020-08-18 20:06:07,832 INFO L264 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:06:07,832 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-08-18 20:06:07,832 INFO L268 CegarLoopResult]: For program point L802(lines 802 819) no Hoare annotation was computed. [2020-08-18 20:06:07,832 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 790 796) no Hoare annotation was computed. [2020-08-18 20:06:07,832 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 790 796) the Hoare annotation is: true [2020-08-18 20:06:07,832 INFO L268 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2020-08-18 20:06:07,832 INFO L264 CegarLoopResult]: At program point testENTRY(lines 692 759) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:06:07,832 INFO L268 CegarLoopResult]: For program point testFINAL(lines 692 759) no Hoare annotation was computed. [2020-08-18 20:06:07,833 INFO L264 CegarLoopResult]: At program point L752(lines 701 753) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 20:06:07,833 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:06:07,833 INFO L268 CegarLoopResult]: For program point L740(lines 740 746) no Hoare annotation was computed. [2020-08-18 20:06:07,833 INFO L264 CegarLoopResult]: At program point L740-1(lines 732 747) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:06:07,833 INFO L268 CegarLoopResult]: For program point L703(lines 702 751) no Hoare annotation was computed. [2020-08-18 20:06:07,833 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:06:07,833 INFO L268 CegarLoopResult]: For program point L732(lines 732 747) no Hoare annotation was computed. [2020-08-18 20:06:07,834 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:06:07,834 INFO L268 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-08-18 20:06:07,834 INFO L268 CegarLoopResult]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2020-08-18 20:06:07,834 INFO L264 CegarLoopResult]: At program point L749(lines 702 751) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:06:07,834 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 20:06:07,834 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-08-18 20:06:07,834 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-08-18 20:06:07,834 INFO L268 CegarLoopResult]: For program point testEXIT(lines 692 759) no Hoare annotation was computed. [2020-08-18 20:06:07,834 INFO L268 CegarLoopResult]: For program point L608(lines 608 615) no Hoare annotation was computed. [2020-08-18 20:06:07,834 INFO L268 CegarLoopResult]: For program point L602(lines 602 622) no Hoare annotation was computed. [2020-08-18 20:06:07,834 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 588 633) no Hoare annotation was computed. [2020-08-18 20:06:07,835 INFO L268 CegarLoopResult]: For program point L602-1(lines 602 622) no Hoare annotation was computed. [2020-08-18 20:06:07,835 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 588 633) no Hoare annotation was computed. [2020-08-18 20:06:07,835 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 588 633) no Hoare annotation was computed. [2020-08-18 20:06:07,835 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 205 213) no Hoare annotation was computed. [2020-08-18 20:06:07,835 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 205 213) the Hoare annotation is: true [2020-08-18 20:06:07,835 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 205 213) no Hoare annotation was computed. [2020-08-18 20:06:07,835 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-08-18 20:06:07,835 INFO L268 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2020-08-18 20:06:07,835 INFO L264 CegarLoopResult]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-18 20:06:07,835 INFO L268 CegarLoopResult]: For program point L62-1(line 62) no Hoare annotation was computed. [2020-08-18 20:06:07,835 INFO L268 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2020-08-18 20:06:07,836 INFO L268 CegarLoopResult]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2020-08-18 20:06:07,836 INFO L264 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 20:06:07,836 INFO L268 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-08-18 20:06:07,836 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 20:06:07,836 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2020-08-18 20:06:07,836 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 20:06:07,836 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 20:06:07,837 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-08-18 20:06:07,837 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-08-18 20:06:07,837 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 173 195) no Hoare annotation was computed. [2020-08-18 20:06:07,837 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 173 195) no Hoare annotation was computed. [2020-08-18 20:06:07,837 INFO L268 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2020-08-18 20:06:07,837 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 173 195) no Hoare annotation was computed. [2020-08-18 20:06:07,837 INFO L268 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2020-08-18 20:06:07,838 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 86 95) no Hoare annotation was computed. [2020-08-18 20:06:07,838 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 86 95) no Hoare annotation was computed. [2020-08-18 20:06:07,838 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 86 95) no Hoare annotation was computed. [2020-08-18 20:06:07,838 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 485 587) no Hoare annotation was computed. [2020-08-18 20:06:07,838 INFO L268 CegarLoopResult]: For program point L574(lines 574 581) no Hoare annotation was computed. [2020-08-18 20:06:07,838 INFO L268 CegarLoopResult]: For program point L535(lines 534 554) no Hoare annotation was computed. [2020-08-18 20:06:07,838 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 20:06:07,839 INFO L268 CegarLoopResult]: For program point L566-1(line 566) no Hoare annotation was computed. [2020-08-18 20:06:07,839 INFO L268 CegarLoopResult]: For program point L531(lines 531 572) no Hoare annotation was computed. [2020-08-18 20:06:07,839 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-18 20:06:07,839 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 485 587) no Hoare annotation was computed. [2020-08-18 20:06:07,839 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-08-18 20:06:07,839 INFO L268 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-08-18 20:06:07,839 INFO L268 CegarLoopResult]: For program point L573(lines 573 584) no Hoare annotation was computed. [2020-08-18 20:06:07,839 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-08-18 20:06:07,840 INFO L268 CegarLoopResult]: For program point L534-2(lines 534 554) no Hoare annotation was computed. [2020-08-18 20:06:07,840 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 485 587) no Hoare annotation was computed. [2020-08-18 20:06:07,840 INFO L268 CegarLoopResult]: For program point L555(lines 533 556) no Hoare annotation was computed. [2020-08-18 20:06:07,840 INFO L268 CegarLoopResult]: For program point L514(lines 514 530) no Hoare annotation was computed. [2020-08-18 20:06:07,840 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:06:07,841 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 20:06:07,841 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:06:07,841 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 823 830) no Hoare annotation was computed. [2020-08-18 20:06:07,841 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 823 830) no Hoare annotation was computed. [2020-08-18 20:06:07,841 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 823 830) no Hoare annotation was computed. [2020-08-18 20:06:07,841 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 196 204) no Hoare annotation was computed. [2020-08-18 20:06:07,841 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 196 204) no Hoare annotation was computed. [2020-08-18 20:06:07,841 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 196 204) no Hoare annotation was computed. [2020-08-18 20:06:07,842 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 152 163) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 20:06:07,842 INFO L268 CegarLoopResult]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2020-08-18 20:06:07,842 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 152 163) no Hoare annotation was computed. [2020-08-18 20:06:07,842 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:06:07,842 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 20:06:07,842 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:06:07,842 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 164 172) the Hoare annotation is: true [2020-08-18 20:06:07,842 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 164 172) no Hoare annotation was computed. [2020-08-18 20:06:07,843 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 164 172) no Hoare annotation was computed. [2020-08-18 20:06:07,843 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 766 789) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:06:07,843 INFO L264 CegarLoopResult]: At program point L779(line 779) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:06:07,843 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 766 789) no Hoare annotation was computed. [2020-08-18 20:06:07,843 INFO L264 CegarLoopResult]: At program point L777(lines 777 783) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:06:07,843 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 766 789) no Hoare annotation was computed. [2020-08-18 20:06:07,843 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 20:06:07,844 INFO L268 CegarLoopResult]: For program point L770(lines 769 788) no Hoare annotation was computed. [2020-08-18 20:06:07,844 INFO L271 CegarLoopResult]: At program point L227-2(lines 227 241) the Hoare annotation is: true [2020-08-18 20:06:07,844 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 217 246) no Hoare annotation was computed. [2020-08-18 20:06:07,844 INFO L271 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: true [2020-08-18 20:06:07,844 INFO L268 CegarLoopResult]: For program point L223-1(line 223) no Hoare annotation was computed. [2020-08-18 20:06:07,844 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 217 246) the Hoare annotation is: true [2020-08-18 20:06:07,844 INFO L271 CegarLoopResult]: At program point L242(lines 217 246) the Hoare annotation is: true [2020-08-18 20:06:07,845 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-08-18 20:06:07,845 INFO L268 CegarLoopResult]: For program point L231(lines 231 235) no Hoare annotation was computed. [2020-08-18 20:06:07,845 INFO L271 CegarLoopResult]: At program point L231-1(lines 231 235) the Hoare annotation is: true [2020-08-18 20:06:07,845 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-08-18 20:06:07,845 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 128 139) the Hoare annotation is: true [2020-08-18 20:06:07,845 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 128 139) no Hoare annotation was computed. [2020-08-18 20:06:07,845 INFO L268 CegarLoopResult]: For program point L132-1(lines 128 139) no Hoare annotation was computed. [2020-08-18 20:06:07,845 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 272 278) no Hoare annotation was computed. [2020-08-18 20:06:07,846 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 272 278) the Hoare annotation is: true [2020-08-18 20:06:07,846 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:06:07,846 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 20:06:07,846 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:06:07,846 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:06:07,846 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 929 936) no Hoare annotation was computed. [2020-08-18 20:06:07,846 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 929 936) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 20:06:07,847 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 929 936) no Hoare annotation was computed. [2020-08-18 20:06:07,847 INFO L268 CegarLoopResult]: For program point L144-1(lines 140 151) no Hoare annotation was computed. [2020-08-18 20:06:07,847 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 140 151) no Hoare annotation was computed. [2020-08-18 20:06:07,847 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 140 151) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 20:06:07,847 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 681 688) no Hoare annotation was computed. [2020-08-18 20:06:07,847 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2020-08-18 20:06:07,848 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 681 688) the Hoare annotation is: true [2020-08-18 20:06:07,848 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 681 688) no Hoare annotation was computed. [2020-08-18 20:06:07,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:06:07 BoogieIcfgContainer [2020-08-18 20:06:07,866 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:06:07,868 INFO L168 Benchmark]: Toolchain (without parser) took 27280.23 ms. Allocated memory was 141.0 MB in the beginning and 647.0 MB in the end (delta: 505.9 MB). Free memory was 102.1 MB in the beginning and 173.2 MB in the end (delta: -71.0 MB). Peak memory consumption was 500.4 MB. Max. memory is 7.1 GB. [2020-08-18 20:06:07,868 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:06:07,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.04 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.9 MB in the beginning and 172.3 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-08-18 20:06:07,870 INFO L168 Benchmark]: Boogie Preprocessor took 90.24 ms. Allocated memory is still 203.9 MB. Free memory was 172.3 MB in the beginning and 167.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-18 20:06:07,871 INFO L168 Benchmark]: RCFGBuilder took 1140.96 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 167.8 MB in the beginning and 193.4 MB in the end (delta: -25.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:06:07,872 INFO L168 Benchmark]: TraceAbstraction took 25369.22 ms. Allocated memory was 234.9 MB in the beginning and 647.0 MB in the end (delta: 412.1 MB). Free memory was 192.0 MB in the beginning and 173.2 MB in the end (delta: 18.8 MB). Peak memory consumption was 496.4 MB. Max. memory is 7.1 GB. [2020-08-18 20:06:07,876 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.04 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.9 MB in the beginning and 172.3 MB in the end (delta: -70.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.24 ms. Allocated memory is still 203.9 MB. Free memory was 172.3 MB in the beginning and 167.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1140.96 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 167.8 MB in the beginning and 193.4 MB in the end (delta: -25.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25369.22 ms. Allocated memory was 234.9 MB in the beginning and 647.0 MB in the end (delta: 412.1 MB). Free memory was 192.0 MB in the beginning and 173.2 MB in the end (delta: 18.8 MB). Peak memory consumption was 496.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 685]: 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: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 513 SDtfs, 944 SDslu, 592 SDs, 0 SdLazy, 2563 SolverSat, 707 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 261 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 538 PreInvPairs, 665 NumberOfFragments, 803 HoareAnnotationTreeSize, 538 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 56 FomulaSimplificationsInter, 17680 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 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...