/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 01:12:05,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 01:12:05,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 01:12:05,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 01:12:05,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 01:12:05,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 01:12:05,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 01:12:05,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 01:12:05,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 01:12:05,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 01:12:05,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 01:12:05,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 01:12:05,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 01:12:05,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 01:12:05,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 01:12:05,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 01:12:05,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 01:12:05,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 01:12:05,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 01:12:05,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 01:12:05,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 01:12:05,984 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 01:12:05,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 01:12:05,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 01:12:05,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 01:12:05,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 01:12:05,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 01:12:05,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 01:12:06,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 01:12:06,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 01:12:06,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 01:12:06,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 01:12:06,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 01:12:06,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 01:12:06,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 01:12:06,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 01:12:06,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 01:12:06,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 01:12:06,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 01:12:06,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 01:12:06,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 01:12:06,023 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 [2020-08-22 01:12:06,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 01:12:06,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 01:12:06,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 01:12:06,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 01:12:06,073 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 01:12:06,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 01:12:06,074 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 01:12:06,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 01:12:06,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 01:12:06,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 01:12:06,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 01:12:06,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 01:12:06,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 01:12:06,076 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 01:12:06,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 01:12:06,077 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 01:12:06,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 01:12:06,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 01:12:06,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 01:12:06,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 01:12:06,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 01:12:06,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 01:12:06,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 01:12:06,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 01:12:06,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 01:12:06,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 01:12:06,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 01:12:06,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 01:12:06,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 01:12:06,080 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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-08-22 01:12:06,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 01:12:06,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 01:12:06,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 01:12:06,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 01:12:06,441 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 01:12:06,441 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-08-22 01:12:06,533 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a2b282fa/ff949d2a720245e19a8a7cbf4741a27b/FLAG32e9db365 [2020-08-22 01:12:07,121 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 01:12:07,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-08-22 01:12:07,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a2b282fa/ff949d2a720245e19a8a7cbf4741a27b/FLAG32e9db365 [2020-08-22 01:12:07,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a2b282fa/ff949d2a720245e19a8a7cbf4741a27b [2020-08-22 01:12:07,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 01:12:07,410 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 01:12:07,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 01:12:07,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 01:12:07,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 01:12:07,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:12:07" (1/1) ... [2020-08-22 01:12:07,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361633d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:07, skipping insertion in model container [2020-08-22 01:12:07,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:12:07" (1/1) ... [2020-08-22 01:12:07,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 01:12:07,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 01:12:08,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:12:08,223 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 01:12:08,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:12:08,395 INFO L208 MainTranslator]: Completed translation [2020-08-22 01:12:08,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08 WrapperNode [2020-08-22 01:12:08,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 01:12:08,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 01:12:08,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 01:12:08,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 01:12:08,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08" (1/1) ... [2020-08-22 01:12:08,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08" (1/1) ... [2020-08-22 01:12:08,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08" (1/1) ... [2020-08-22 01:12:08,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08" (1/1) ... [2020-08-22 01:12:08,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08" (1/1) ... [2020-08-22 01:12:08,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08" (1/1) ... [2020-08-22 01:12:08,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08" (1/1) ... [2020-08-22 01:12:08,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 01:12:08,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 01:12:08,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 01:12:08,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 01:12:08,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08" (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 [2020-08-22 01:12:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 01:12:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 01:12:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 01:12:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 01:12:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 01:12:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 01:12:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 01:12:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 01:12:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 01:12:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 01:12:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 01:12:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 01:12:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 01:12:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 01:12:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 01:12:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 01:12:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 01:12:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 01:12:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 01:12:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 01:12:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 01:12:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 01:12:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 01:12:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 01:12:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 01:12:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 01:12:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 01:12:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 01:12:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 01:12:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 01:12:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 01:12:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-22 01:12:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-22 01:12:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 01:12:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 01:12:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 01:12:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 01:12:08,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 01:12:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 01:12:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 01:12:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 01:12:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 01:12:08,580 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 01:12:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 01:12:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 01:12:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 01:12:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 01:12:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 01:12:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 01:12:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 01:12:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 01:12:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 01:12:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 01:12:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 01:12:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 01:12:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 01:12:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-22 01:12:08,584 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 01:12:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 01:12:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 01:12:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 01:12:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 01:12:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 01:12:08,585 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 01:12:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 01:12:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 01:12:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 01:12:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 01:12:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 01:12:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 01:12:08,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 01:12:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 01:12:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 01:12:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 01:12:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 01:12:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 01:12:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 01:12:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 01:12:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 01:12:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 01:12:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 01:12:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 01:12:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-22 01:12:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 01:12:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 01:12:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 01:12:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 01:12:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 01:12:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 01:12:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 01:12:09,762 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 01:12:09,762 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 01:12:09,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:12:09 BoogieIcfgContainer [2020-08-22 01:12:09,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 01:12:09,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 01:12:09,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 01:12:09,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 01:12:09,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 01:12:07" (1/3) ... [2020-08-22 01:12:09,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec7ef7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:12:09, skipping insertion in model container [2020-08-22 01:12:09,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:12:08" (2/3) ... [2020-08-22 01:12:09,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ec7ef7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:12:09, skipping insertion in model container [2020-08-22 01:12:09,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:12:09" (3/3) ... [2020-08-22 01:12:09,783 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2020-08-22 01:12:09,793 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 01:12:09,803 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 01:12:09,817 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 01:12:09,847 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 01:12:09,847 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 01:12:09,847 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 01:12:09,847 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 01:12:09,847 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 01:12:09,847 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 01:12:09,848 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 01:12:09,848 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 01:12:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-08-22 01:12:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 01:12:09,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:09,879 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] [2020-08-22 01:12:09,880 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:09,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:09,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1676569926, now seen corresponding path program 1 times [2020-08-22 01:12:09,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:09,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142379830] [2020-08-22 01:12:09,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,608 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:10,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 01:12:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-22 01:12:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:10,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142379830] [2020-08-22 01:12:10,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:10,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 01:12:10,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514634889] [2020-08-22 01:12:10,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 01:12:10,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:10,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 01:12:10,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 01:12:10,814 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 4 states. [2020-08-22 01:12:11,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:11,904 INFO L93 Difference]: Finished difference Result 246 states and 324 transitions. [2020-08-22 01:12:11,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 01:12:11,906 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 01:12:11,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:11,930 INFO L225 Difference]: With dead ends: 246 [2020-08-22 01:12:11,930 INFO L226 Difference]: Without dead ends: 138 [2020-08-22 01:12:11,938 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 [2020-08-22 01:12:11,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-22 01:12:12,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 109. [2020-08-22 01:12:12,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-08-22 01:12:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2020-08-22 01:12:12,061 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2020-08-22 01:12:12,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:12,062 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2020-08-22 01:12:12,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 01:12:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2020-08-22 01:12:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 01:12:12,066 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:12,066 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] [2020-08-22 01:12:12,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 01:12:12,067 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:12,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:12,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1153065381, now seen corresponding path program 1 times [2020-08-22 01:12:12,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:12,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [848283035] [2020-08-22 01:12:12,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,402 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 01:12:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 01:12:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:12,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [848283035] [2020-08-22 01:12:12,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:12,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 01:12:12,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577834324] [2020-08-22 01:12:12,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 01:12:12,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:12,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 01:12:12,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 01:12:12,460 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 5 states. [2020-08-22 01:12:12,977 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 01:12:13,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:13,705 INFO L93 Difference]: Finished difference Result 191 states and 235 transitions. [2020-08-22 01:12:13,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 01:12:13,705 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-22 01:12:13,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:13,708 INFO L225 Difference]: With dead ends: 191 [2020-08-22 01:12:13,708 INFO L226 Difference]: Without dead ends: 128 [2020-08-22 01:12:13,709 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 [2020-08-22 01:12:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-22 01:12:13,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-08-22 01:12:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-22 01:12:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2020-08-22 01:12:13,745 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2020-08-22 01:12:13,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:13,745 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2020-08-22 01:12:13,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 01:12:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2020-08-22 01:12:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-22 01:12:13,747 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:13,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:13,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 01:12:13,748 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:13,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:13,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1044630824, now seen corresponding path program 1 times [2020-08-22 01:12:13,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:13,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1786189535] [2020-08-22 01:12:13,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:14,071 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:14,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:14,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:14,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:14,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:14,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-22 01:12:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:14,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 01:12:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:14,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1786189535] [2020-08-22 01:12:14,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:14,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 01:12:14,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047595476] [2020-08-22 01:12:14,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 01:12:14,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:14,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 01:12:14,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 01:12:14,217 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 9 states. [2020-08-22 01:12:14,614 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:14,908 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:15,151 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:15,395 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:16,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:16,388 INFO L93 Difference]: Finished difference Result 200 states and 250 transitions. [2020-08-22 01:12:16,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 01:12:16,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-22 01:12:16,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:16,393 INFO L225 Difference]: With dead ends: 200 [2020-08-22 01:12:16,394 INFO L226 Difference]: Without dead ends: 128 [2020-08-22 01:12:16,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-22 01:12:16,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-22 01:12:16,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-08-22 01:12:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-22 01:12:16,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-08-22 01:12:16,425 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2020-08-22 01:12:16,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:16,426 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-08-22 01:12:16,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 01:12:16,426 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-08-22 01:12:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-22 01:12:16,427 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:16,428 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:16,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 01:12:16,428 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:16,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:16,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2135764053, now seen corresponding path program 1 times [2020-08-22 01:12:16,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:16,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [435797575] [2020-08-22 01:12:16,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,792 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:16,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 01:12:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 01:12:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-22 01:12:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 01:12:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:16,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [435797575] [2020-08-22 01:12:16,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:16,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 01:12:16,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753838598] [2020-08-22 01:12:16,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 01:12:16,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:16,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 01:12:16,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 01:12:16,888 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 9 states. [2020-08-22 01:12:17,329 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:18,444 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:18,781 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:19,041 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:19,320 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:20,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:20,193 INFO L93 Difference]: Finished difference Result 307 states and 408 transitions. [2020-08-22 01:12:20,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-22 01:12:20,194 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-22 01:12:20,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:20,198 INFO L225 Difference]: With dead ends: 307 [2020-08-22 01:12:20,198 INFO L226 Difference]: Without dead ends: 235 [2020-08-22 01:12:20,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-22 01:12:20,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-08-22 01:12:20,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 162. [2020-08-22 01:12:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-08-22 01:12:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2020-08-22 01:12:20,246 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 64 [2020-08-22 01:12:20,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:20,247 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2020-08-22 01:12:20,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 01:12:20,247 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2020-08-22 01:12:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-22 01:12:20,249 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:12:20,249 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 01:12:20,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 01:12:20,250 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:12:20,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:12:20,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1965999161, now seen corresponding path program 1 times [2020-08-22 01:12:20,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:12:20,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145994735] [2020-08-22 01:12:20,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:12:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,615 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:12:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:12:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:12:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:12:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:12:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:12:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-22 01:12:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-22 01:12:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 01:12:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-22 01:12:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-22 01:12:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:12:20,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 01:12:20,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145994735] [2020-08-22 01:12:20,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:12:20,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 01:12:20,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876535343] [2020-08-22 01:12:20,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 01:12:20,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:12:20,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 01:12:20,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 01:12:20,772 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 10 states. [2020-08-22 01:12:21,213 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 01:12:22,037 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:22,281 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:22,566 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 01:12:22,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:12:22,697 INFO L93 Difference]: Finished difference Result 289 states and 366 transitions. [2020-08-22 01:12:22,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 01:12:22,698 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-08-22 01:12:22,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:12:22,699 INFO L225 Difference]: With dead ends: 289 [2020-08-22 01:12:22,699 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 01:12:22,711 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-22 01:12:22,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 01:12:22,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 01:12:22,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 01:12:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 01:12:22,713 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-22 01:12:22,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:12:22,713 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 01:12:22,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 01:12:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 01:12:22,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 01:12:22,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 01:12:22,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 01:12:24,016 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 12 [2020-08-22 01:12:24,871 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 01:12:25,023 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:25,187 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 01:12:25,358 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:25,538 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:25,746 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 01:12:26,089 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 01:12:26,397 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 01:12:26,752 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-22 01:12:27,122 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 01:12:27,433 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-22 01:12:27,608 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 01:12:27,784 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-22 01:12:27,953 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-22 01:12:28,157 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:28,474 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 01:12:28,637 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-22 01:12:28,807 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:28,971 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-22 01:12:29,148 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-22 01:12:29,639 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-22 01:12:29,973 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-22 01:12:29,977 INFO L268 CegarLoopResult]: For program point L506(lines 483 507) no Hoare annotation was computed. [2020-08-22 01:12:29,977 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 459 514) no Hoare annotation was computed. [2020-08-22 01:12:29,977 INFO L268 CegarLoopResult]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-08-22 01:12:29,977 INFO L268 CegarLoopResult]: For program point L490-1(lines 490 494) no Hoare annotation was computed. [2020-08-22 01:12:29,978 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 459 514) no Hoare annotation was computed. [2020-08-22 01:12:29,978 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-22 01:12:29,978 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 459 514) no Hoare annotation was computed. [2020-08-22 01:12:29,978 INFO L268 CegarLoopResult]: For program point L484-2(lines 484 505) no Hoare annotation was computed. [2020-08-22 01:12:29,978 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-22 01:12:29,979 INFO L268 CegarLoopResult]: For program point L541-2(lines 541 566) no Hoare annotation was computed. [2020-08-22 01:12:29,979 INFO L268 CegarLoopResult]: For program point L567(lines 540 568) no Hoare annotation was computed. [2020-08-22 01:12:29,979 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 515 574) no Hoare annotation was computed. [2020-08-22 01:12:29,979 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-22 01:12:29,979 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-08-22 01:12:29,979 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 515 574) no Hoare annotation was computed. [2020-08-22 01:12:29,979 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 515 574) no Hoare annotation was computed. [2020-08-22 01:12:29,980 INFO L268 CegarLoopResult]: For program point L547(lines 547 551) no Hoare annotation was computed. [2020-08-22 01:12:29,980 INFO L268 CegarLoopResult]: For program point L547-1(lines 547 551) no Hoare annotation was computed. [2020-08-22 01:12:29,980 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 381 387) the Hoare annotation is: true [2020-08-22 01:12:29,980 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 381 387) no Hoare annotation was computed. [2020-08-22 01:12:29,980 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 388 396) no Hoare annotation was computed. [2020-08-22 01:12:29,980 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 388 396) the Hoare annotation is: true [2020-08-22 01:12:29,981 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 388 396) no Hoare annotation was computed. [2020-08-22 01:12:29,981 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:29,981 INFO L264 CegarLoopResult]: At program point L897-1(line 897) the Hoare annotation is: (or (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:29,981 INFO L268 CegarLoopResult]: For program point L895(lines 895 902) no Hoare annotation was computed. [2020-08-22 01:12:29,981 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 902) no Hoare annotation was computed. [2020-08-22 01:12:29,981 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 885 907) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:29,982 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-08-22 01:12:29,982 INFO L264 CegarLoopResult]: At program point L892(line 892) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:29,982 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:29,982 INFO L264 CegarLoopResult]: At program point L891-1(line 891) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:29,983 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 885 907) no Hoare annotation was computed. [2020-08-22 01:12:29,983 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 885 907) no Hoare annotation was computed. [2020-08-22 01:12:29,983 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 843 866) no Hoare annotation was computed. [2020-08-22 01:12:29,983 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-08-22 01:12:29,983 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 843 866) no Hoare annotation was computed. [2020-08-22 01:12:29,983 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-08-22 01:12:29,983 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 843 866) no Hoare annotation was computed. [2020-08-22 01:12:29,983 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-08-22 01:12:29,984 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-08-22 01:12:29,984 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-08-22 01:12:29,984 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-08-22 01:12:29,984 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-08-22 01:12:29,984 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-22 01:12:29,984 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-08-22 01:12:29,984 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-22 01:12:29,985 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-08-22 01:12:29,985 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-08-22 01:12:29,985 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-08-22 01:12:29,985 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-08-22 01:12:29,985 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 295 303) no Hoare annotation was computed. [2020-08-22 01:12:29,985 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 295 303) the Hoare annotation is: true [2020-08-22 01:12:29,985 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 295 303) no Hoare annotation was computed. [2020-08-22 01:12:29,986 INFO L268 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-08-22 01:12:29,986 INFO L271 CegarLoopResult]: At program point L347(line 347) the Hoare annotation is: true [2020-08-22 01:12:29,986 INFO L268 CegarLoopResult]: For program point L349-2(lines 349 353) no Hoare annotation was computed. [2020-08-22 01:12:29,986 INFO L268 CegarLoopResult]: For program point L347-1(line 347) no Hoare annotation was computed. [2020-08-22 01:12:29,986 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 340 358) the Hoare annotation is: true [2020-08-22 01:12:29,986 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 340 358) no Hoare annotation was computed. [2020-08-22 01:12:29,986 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 340 358) no Hoare annotation was computed. [2020-08-22 01:12:29,987 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-08-22 01:12:29,987 INFO L268 CegarLoopResult]: For program point L311(lines 311 319) no Hoare annotation was computed. [2020-08-22 01:12:29,987 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 319) no Hoare annotation was computed. [2020-08-22 01:12:29,987 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 304 339) no Hoare annotation was computed. [2020-08-22 01:12:29,987 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-08-22 01:12:29,987 INFO L268 CegarLoopResult]: For program point L334-1(line 334) no Hoare annotation was computed. [2020-08-22 01:12:29,987 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 304 339) no Hoare annotation was computed. [2020-08-22 01:12:29,988 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-08-22 01:12:29,988 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 304 339) no Hoare annotation was computed. [2020-08-22 01:12:29,988 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 374 380) no Hoare annotation was computed. [2020-08-22 01:12:29,988 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 374 380) the Hoare annotation is: true [2020-08-22 01:12:29,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 413 458) no Hoare annotation was computed. [2020-08-22 01:12:29,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 413 458) no Hoare annotation was computed. [2020-08-22 01:12:29,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 413 458) no Hoare annotation was computed. [2020-08-22 01:12:29,989 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 726 771) no Hoare annotation was computed. [2020-08-22 01:12:29,989 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 726 771) no Hoare annotation was computed. [2020-08-22 01:12:29,989 INFO L268 CegarLoopResult]: For program point L746(lines 746 753) no Hoare annotation was computed. [2020-08-22 01:12:29,989 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 726 771) no Hoare annotation was computed. [2020-08-22 01:12:29,989 INFO L268 CegarLoopResult]: For program point L740(lines 740 760) no Hoare annotation was computed. [2020-08-22 01:12:29,989 INFO L268 CegarLoopResult]: For program point L740-1(lines 740 760) no Hoare annotation was computed. [2020-08-22 01:12:29,996 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 874 884) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:29,997 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:29,997 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 874 884) no Hoare annotation was computed. [2020-08-22 01:12:29,997 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 874 884) no Hoare annotation was computed. [2020-08-22 01:12:29,997 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-08-22 01:12:29,997 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-08-22 01:12:29,998 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 284 294) no Hoare annotation was computed. [2020-08-22 01:12:29,998 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 284 294) no Hoare annotation was computed. [2020-08-22 01:12:29,998 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 284 294) no Hoare annotation was computed. [2020-08-22 01:12:29,998 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 276 283) the Hoare annotation is: true [2020-08-22 01:12:29,998 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 276 283) no Hoare annotation was computed. [2020-08-22 01:12:29,998 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 276 283) no Hoare annotation was computed. [2020-08-22 01:12:29,998 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:29,998 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:29,999 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-08-22 01:12:30,002 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:30,002 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-08-22 01:12:30,002 INFO L268 CegarLoopResult]: For program point L247(lines 247 264) no Hoare annotation was computed. [2020-08-22 01:12:30,002 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 243 267) no Hoare annotation was computed. [2020-08-22 01:12:30,003 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 243 267) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:30,003 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:30,003 INFO L268 CegarLoopResult]: For program point L262-1(lines 243 267) no Hoare annotation was computed. [2020-08-22 01:12:30,003 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 235 241) no Hoare annotation was computed. [2020-08-22 01:12:30,003 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 235 241) the Hoare annotation is: true [2020-08-22 01:12:30,003 INFO L264 CegarLoopResult]: At program point testENTRY(lines 138 201) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:30,003 INFO L268 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-08-22 01:12:30,004 INFO L268 CegarLoopResult]: For program point testFINAL(lines 138 201) no Hoare annotation was computed. [2020-08-22 01:12:30,004 INFO L264 CegarLoopResult]: At program point L184-2(lines 178 189) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 01:12:30,004 INFO L268 CegarLoopResult]: For program point L149(lines 148 193) no Hoare annotation was computed. [2020-08-22 01:12:30,004 INFO L268 CegarLoopResult]: For program point L178(lines 178 189) no Hoare annotation was computed. [2020-08-22 01:12:30,004 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 01:12:30,004 INFO L268 CegarLoopResult]: For program point L168(lines 168 174) no Hoare annotation was computed. [2020-08-22 01:12:30,004 INFO L268 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-08-22 01:12:30,005 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 01:12:30,007 INFO L264 CegarLoopResult]: At program point L191(lines 148 193) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-22 01:12:30,007 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2020-08-22 01:12:30,007 INFO L268 CegarLoopResult]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2020-08-22 01:12:30,007 INFO L268 CegarLoopResult]: For program point L150(lines 150 154) no Hoare annotation was computed. [2020-08-22 01:12:30,008 INFO L268 CegarLoopResult]: For program point testEXIT(lines 138 201) no Hoare annotation was computed. [2020-08-22 01:12:30,008 INFO L264 CegarLoopResult]: At program point L194(lines 147 195) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 01:12:30,008 INFO L268 CegarLoopResult]: For program point L700(lines 700 707) no Hoare annotation was computed. [2020-08-22 01:12:30,008 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 680 725) no Hoare annotation was computed. [2020-08-22 01:12:30,008 INFO L268 CegarLoopResult]: For program point L694(lines 694 714) no Hoare annotation was computed. [2020-08-22 01:12:30,008 INFO L268 CegarLoopResult]: For program point L694-1(lines 694 714) no Hoare annotation was computed. [2020-08-22 01:12:30,008 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 680 725) no Hoare annotation was computed. [2020-08-22 01:12:30,008 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 680 725) no Hoare annotation was computed. [2020-08-22 01:12:30,009 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-08-22 01:12:30,009 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-08-22 01:12:30,009 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-08-22 01:12:30,009 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 01:12:30,009 INFO L268 CegarLoopResult]: For program point L795(lines 795 801) no Hoare annotation was computed. [2020-08-22 01:12:30,009 INFO L268 CegarLoopResult]: For program point L794(lines 794 804) no Hoare annotation was computed. [2020-08-22 01:12:30,009 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-22 01:12:30,010 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-08-22 01:12:30,010 INFO L268 CegarLoopResult]: For program point L790(lines 790 807) no Hoare annotation was computed. [2020-08-22 01:12:30,010 INFO L268 CegarLoopResult]: For program point L790-1(lines 782 810) no Hoare annotation was computed. [2020-08-22 01:12:30,010 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 01:12:30,010 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-08-22 01:12:30,010 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 782 810) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 01:12:30,010 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 782 810) no Hoare annotation was computed. [2020-08-22 01:12:30,010 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-22 01:12:30,011 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-22 01:12:30,011 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-22 01:12:30,011 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-22 01:12:30,011 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-22 01:12:30,011 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 774 781) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-22 01:12:30,011 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 774 781) no Hoare annotation was computed. [2020-08-22 01:12:30,011 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 774 781) no Hoare annotation was computed. [2020-08-22 01:12:30,011 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 364 373) no Hoare annotation was computed. [2020-08-22 01:12:30,012 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 364 373) no Hoare annotation was computed. [2020-08-22 01:12:30,012 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 364 373) no Hoare annotation was computed. [2020-08-22 01:12:30,012 INFO L268 CegarLoopResult]: For program point L642-1(line 642) no Hoare annotation was computed. [2020-08-22 01:12:30,012 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 577 679) no Hoare annotation was computed. [2020-08-22 01:12:30,012 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-08-22 01:12:30,012 INFO L268 CegarLoopResult]: For program point L665(lines 665 676) no Hoare annotation was computed. [2020-08-22 01:12:30,012 INFO L268 CegarLoopResult]: For program point L628(lines 628 632) no Hoare annotation was computed. [2020-08-22 01:12:30,012 INFO L268 CegarLoopResult]: For program point L626-2(lines 626 646) no Hoare annotation was computed. [2020-08-22 01:12:30,012 INFO L268 CegarLoopResult]: For program point L647(lines 625 648) no Hoare annotation was computed. [2020-08-22 01:12:30,013 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 577 679) no Hoare annotation was computed. [2020-08-22 01:12:30,013 INFO L268 CegarLoopResult]: For program point L606(lines 606 622) no Hoare annotation was computed. [2020-08-22 01:12:30,013 INFO L268 CegarLoopResult]: For program point L666(lines 666 673) no Hoare annotation was computed. [2020-08-22 01:12:30,013 INFO L268 CegarLoopResult]: For program point L627(lines 626 646) no Hoare annotation was computed. [2020-08-22 01:12:30,013 INFO L268 CegarLoopResult]: For program point L658(line 658) no Hoare annotation was computed. [2020-08-22 01:12:30,013 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 577 679) no Hoare annotation was computed. [2020-08-22 01:12:30,013 INFO L268 CegarLoopResult]: For program point L658-1(line 658) no Hoare annotation was computed. [2020-08-22 01:12:30,013 INFO L268 CegarLoopResult]: For program point L623(lines 623 664) no Hoare annotation was computed. [2020-08-22 01:12:30,014 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-08-22 01:12:30,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:12:30,014 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-22 01:12:30,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:12:30,014 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2020-08-22 01:12:30,015 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2020-08-22 01:12:30,015 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 268 275) no Hoare annotation was computed. [2020-08-22 01:12:30,015 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-08-22 01:12:30,015 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-22 01:12:30,016 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-22 01:12:30,016 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-22 01:12:30,016 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 01:12:30,016 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-22 01:12:30,016 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:12:30,016 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 01:12:30,016 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:12:30,016 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-22 01:12:30,017 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-22 01:12:30,017 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-22 01:12:30,017 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:30,017 INFO L264 CegarLoopResult]: At program point L222(lines 222 228) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:30,017 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:30,017 INFO L268 CegarLoopResult]: For program point L215(lines 214 233) no Hoare annotation was computed. [2020-08-22 01:12:30,018 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 211 234) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 01:12:30,018 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 211 234) no Hoare annotation was computed. [2020-08-22 01:12:30,018 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 211 234) no Hoare annotation was computed. [2020-08-22 01:12:30,018 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 813 842) no Hoare annotation was computed. [2020-08-22 01:12:30,018 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 813 842) the Hoare annotation is: true [2020-08-22 01:12:30,018 INFO L268 CegarLoopResult]: For program point L827(lines 827 831) no Hoare annotation was computed. [2020-08-22 01:12:30,018 INFO L271 CegarLoopResult]: At program point L827-1(lines 827 831) the Hoare annotation is: true [2020-08-22 01:12:30,018 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-08-22 01:12:30,019 INFO L271 CegarLoopResult]: At program point L823-2(lines 823 837) the Hoare annotation is: true [2020-08-22 01:12:30,019 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-08-22 01:12:30,019 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-08-22 01:12:30,019 INFO L271 CegarLoopResult]: At program point L838(lines 813 842) the Hoare annotation is: true [2020-08-22 01:12:30,019 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-08-22 01:12:30,019 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-08-22 01:12:30,020 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-22 01:12:30,020 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-22 01:12:30,020 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 867 873) no Hoare annotation was computed. [2020-08-22 01:12:30,021 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 867 873) the Hoare annotation is: true [2020-08-22 01:12:30,021 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 01:12:30,021 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 01:12:30,022 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 01:12:30,022 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 01:12:30,022 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-22 01:12:30,022 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-22 01:12:30,022 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 01:12:30,022 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 398 405) no Hoare annotation was computed. [2020-08-22 01:12:30,023 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2020-08-22 01:12:30,023 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 398 405) the Hoare annotation is: true [2020-08-22 01:12:30,023 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 398 405) no Hoare annotation was computed. [2020-08-22 01:12:30,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 01:12:30 BoogieIcfgContainer [2020-08-22 01:12:30,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 01:12:30,059 INFO L168 Benchmark]: Toolchain (without parser) took 22645.12 ms. Allocated memory was 139.5 MB in the beginning and 620.2 MB in the end (delta: 480.8 MB). Free memory was 101.7 MB in the beginning and 499.8 MB in the end (delta: -398.1 MB). Peak memory consumption was 502.2 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:30,060 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 01:12:30,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 970.10 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 169.3 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:30,064 INFO L168 Benchmark]: Boogie Preprocessor took 92.74 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:30,066 INFO L168 Benchmark]: RCFGBuilder took 1281.21 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 197.6 MB in the end (delta: -32.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:30,067 INFO L168 Benchmark]: TraceAbstraction took 20277.97 ms. Allocated memory was 235.4 MB in the beginning and 620.2 MB in the end (delta: 384.8 MB). Free memory was 197.6 MB in the beginning and 499.8 MB in the end (delta: -302.2 MB). Peak memory consumption was 502.1 MB. Max. memory is 7.1 GB. [2020-08-22 01:12:30,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 970.10 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 101.5 MB in the beginning and 169.3 MB in the end (delta: -67.8 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.74 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 165.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1281.21 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.2 MB in the beginning and 197.6 MB in the end (delta: -32.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20277.97 ms. Allocated memory was 235.4 MB in the beginning and 620.2 MB in the end (delta: 384.8 MB). Free memory was 197.6 MB in the beginning and 499.8 MB in the end (delta: -302.2 MB). Peak memory consumption was 502.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 402]: 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: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 435 SDtfs, 917 SDslu, 376 SDs, 0 SdLazy, 1713 SolverSat, 617 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 759 HoareAnnotationTreeSize, 246 FomulaSimplifications, 91556 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 7384 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 84318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...