/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 15:13:50,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 15:13:50,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 15:13:50,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 15:13:50,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 15:13:50,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 15:13:50,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 15:13:50,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 15:13:50,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 15:13:50,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 15:13:50,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 15:13:50,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 15:13:50,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 15:13:50,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 15:13:50,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 15:13:50,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 15:13:50,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 15:13:50,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 15:13:50,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 15:13:50,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 15:13:50,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 15:13:50,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 15:13:50,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 15:13:50,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 15:13:50,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 15:13:50,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 15:13:50,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 15:13:50,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 15:13:50,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 15:13:50,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 15:13:50,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 15:13:50,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 15:13:50,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 15:13:50,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 15:13:50,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 15:13:50,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 15:13:50,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 15:13:50,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 15:13:50,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 15:13:50,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 15:13:50,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 15:13:50,577 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 15:13:50,599 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 15:13:50,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 15:13:50,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 15:13:50,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 15:13:50,601 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 15:13:50,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 15:13:50,601 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 15:13:50,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 15:13:50,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 15:13:50,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 15:13:50,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 15:13:50,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 15:13:50,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 15:13:50,603 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 15:13:50,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 15:13:50,603 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 15:13:50,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 15:13:50,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 15:13:50,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 15:13:50,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 15:13:50,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 15:13:50,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:13:50,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 15:13:50,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 15:13:50,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 15:13:50,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 15:13:50,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 15:13:50,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 15:13:50,605 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 15:13:50,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-18 15:13:50,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 15:13:50,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 15:13:50,930 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 15:13:50,931 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 15:13:50,932 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 15:13:50,933 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-08-18 15:13:50,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26f72d48a/99b3b9df61624e6290003cbf5122a086/FLAGa35259b38 [2020-08-18 15:13:51,489 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 15:13:51,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-08-18 15:13:51,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26f72d48a/99b3b9df61624e6290003cbf5122a086/FLAGa35259b38 [2020-08-18 15:13:51,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26f72d48a/99b3b9df61624e6290003cbf5122a086 [2020-08-18 15:13:51,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 15:13:51,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 15:13:51,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 15:13:51,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 15:13:51,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 15:13:51,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:13:51" (1/1) ... [2020-08-18 15:13:51,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:51, skipping insertion in model container [2020-08-18 15:13:51,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:13:51" (1/1) ... [2020-08-18 15:13:51,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 15:13:51,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 15:13:52,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:13:52,327 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 15:13:52,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:13:52,515 INFO L208 MainTranslator]: Completed translation [2020-08-18 15:13:52,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52 WrapperNode [2020-08-18 15:13:52,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 15:13:52,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 15:13:52,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 15:13:52,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 15:13:52,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52" (1/1) ... [2020-08-18 15:13:52,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52" (1/1) ... [2020-08-18 15:13:52,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52" (1/1) ... [2020-08-18 15:13:52,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52" (1/1) ... [2020-08-18 15:13:52,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52" (1/1) ... [2020-08-18 15:13:52,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52" (1/1) ... [2020-08-18 15:13:52,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52" (1/1) ... [2020-08-18 15:13:52,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 15:13:52,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 15:13:52,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 15:13:52,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 15:13:52,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:13:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 15:13:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 15:13:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 15:13:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 15:13:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 15:13:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 15:13:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 15:13:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 15:13:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 15:13:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 15:13:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 15:13:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 15:13:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 15:13:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 15:13:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 15:13:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 15:13:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 15:13:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 15:13:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 15:13:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 15:13:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 15:13:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 15:13:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 15:13:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 15:13:52,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 15:13:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 15:13:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 15:13:52,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 15:13:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 15:13:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 15:13:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 15:13:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 15:13:52,675 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 15:13:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 15:13:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 15:13:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 15:13:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 15:13:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 15:13:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 15:13:52,676 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 15:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 15:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 15:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 15:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 15:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 15:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 15:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 15:13:52,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 15:13:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 15:13:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 15:13:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 15:13:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 15:13:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 15:13:52,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 15:13:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 15:13:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 15:13:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 15:13:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 15:13:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 15:13:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 15:13:52,679 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 15:13:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 15:13:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 15:13:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 15:13:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 15:13:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 15:13:52,680 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 15:13:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 15:13:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 15:13:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 15:13:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 15:13:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 15:13:52,681 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 15:13:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 15:13:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 15:13:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 15:13:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 15:13:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 15:13:52,682 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 15:13:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 15:13:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 15:13:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 15:13:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 15:13:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 15:13:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 15:13:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 15:13:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 15:13:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 15:13:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 15:13:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 15:13:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 15:13:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 15:13:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 15:13:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 15:13:53,747 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 15:13:53,748 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 15:13:53,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:13:53 BoogieIcfgContainer [2020-08-18 15:13:53,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 15:13:53,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 15:13:53,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 15:13:53,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 15:13:53,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:13:51" (1/3) ... [2020-08-18 15:13:53,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdee65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:13:53, skipping insertion in model container [2020-08-18 15:13:53,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:52" (2/3) ... [2020-08-18 15:13:53,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdee65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:13:53, skipping insertion in model container [2020-08-18 15:13:53,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:13:53" (3/3) ... [2020-08-18 15:13:53,770 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-08-18 15:13:53,781 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 15:13:53,788 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 15:13:53,800 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 15:13:53,822 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 15:13:53,822 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 15:13:53,822 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 15:13:53,823 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 15:13:53,823 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 15:13:53,823 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 15:13:53,823 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 15:13:53,823 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 15:13:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2020-08-18 15:13:53,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 15:13:53,858 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:53,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:13:53,860 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:53,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:53,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1314416883, now seen corresponding path program 1 times [2020-08-18 15:13:53,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:53,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968367034] [2020-08-18 15:13:53,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:54,515 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:54,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:54,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:54,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:54,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:54,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 15:13:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:54,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 15:13:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:54,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:13:54,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968367034] [2020-08-18 15:13:54,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:54,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 15:13:54,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297289091] [2020-08-18 15:13:54,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 15:13:54,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:54,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 15:13:54,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 15:13:54,665 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 3 states. [2020-08-18 15:13:55,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:55,965 INFO L93 Difference]: Finished difference Result 302 states and 399 transitions. [2020-08-18 15:13:55,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 15:13:55,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 15:13:55,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:55,986 INFO L225 Difference]: With dead ends: 302 [2020-08-18 15:13:55,987 INFO L226 Difference]: Without dead ends: 164 [2020-08-18 15:13:55,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 15:13:56,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-08-18 15:13:56,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 129. [2020-08-18 15:13:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-08-18 15:13:56,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2020-08-18 15:13:56,087 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2020-08-18 15:13:56,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:56,088 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2020-08-18 15:13:56,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 15:13:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2020-08-18 15:13:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 15:13:56,092 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:56,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:13:56,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 15:13:56,093 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:56,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:56,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1074186407, now seen corresponding path program 1 times [2020-08-18 15:13:56,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:56,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287033591] [2020-08-18 15:13:56,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:56,481 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:56,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:56,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:56,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:56,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:56,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:13:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:56,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 15:13:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:13:56,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287033591] [2020-08-18 15:13:56,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:56,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 15:13:56,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390248481] [2020-08-18 15:13:56,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 15:13:56,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:56,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 15:13:56,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 15:13:56,528 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 4 states. [2020-08-18 15:13:56,923 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:13:57,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:57,832 INFO L93 Difference]: Finished difference Result 225 states and 278 transitions. [2020-08-18 15:13:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 15:13:57,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 15:13:57,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:57,839 INFO L225 Difference]: With dead ends: 225 [2020-08-18 15:13:57,839 INFO L226 Difference]: Without dead ends: 148 [2020-08-18 15:13:57,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 15:13:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-08-18 15:13:57,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2020-08-18 15:13:57,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-08-18 15:13:57,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-08-18 15:13:57,890 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2020-08-18 15:13:57,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:57,891 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-08-18 15:13:57,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 15:13:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-08-18 15:13:57,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 15:13:57,893 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:57,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:13:57,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 15:13:57,894 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:57,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:57,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1137714934, now seen corresponding path program 1 times [2020-08-18 15:13:57,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:57,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235234870] [2020-08-18 15:13:57,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,310 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:58,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 15:13:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 15:13:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:13:58,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235234870] [2020-08-18 15:13:58,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:58,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:13:58,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436981090] [2020-08-18 15:13:58,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:13:58,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:58,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:13:58,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:13:58,422 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 8 states. [2020-08-18 15:13:58,744 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:13:59,061 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:59,337 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:13:59,570 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:00,280 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:14:02,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:14:02,025 INFO L93 Difference]: Finished difference Result 415 states and 520 transitions. [2020-08-18 15:14:02,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 15:14:02,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 15:14:02,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:14:02,032 INFO L225 Difference]: With dead ends: 415 [2020-08-18 15:14:02,033 INFO L226 Difference]: Without dead ends: 319 [2020-08-18 15:14:02,035 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 15:14:02,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-08-18 15:14:02,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 254. [2020-08-18 15:14:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-08-18 15:14:02,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 310 transitions. [2020-08-18 15:14:02,114 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 310 transitions. Word has length 52 [2020-08-18 15:14:02,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:14:02,115 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 310 transitions. [2020-08-18 15:14:02,115 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:14:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 310 transitions. [2020-08-18 15:14:02,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 15:14:02,118 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:14:02,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:14:02,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 15:14:02,119 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:14:02,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:14:02,119 INFO L82 PathProgramCache]: Analyzing trace with hash -430999927, now seen corresponding path program 1 times [2020-08-18 15:14:02,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:14:02,120 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1975703058] [2020-08-18 15:14:02,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:14:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,414 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:14:02,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:14:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:14:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:14:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:14:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:14:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:14:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 15:14:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 15:14:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:02,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:14:02,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1975703058] [2020-08-18 15:14:02,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:14:02,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:14:02,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481259155] [2020-08-18 15:14:02,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:14:02,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:14:02,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:14:02,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:14:02,551 INFO L87 Difference]: Start difference. First operand 254 states and 310 transitions. Second operand 8 states. [2020-08-18 15:14:02,859 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:03,841 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:04,229 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:04,471 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:04,745 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:05,220 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:14:06,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:14:06,143 INFO L93 Difference]: Finished difference Result 823 states and 1081 transitions. [2020-08-18 15:14:06,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:14:06,144 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 15:14:06,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:14:06,150 INFO L225 Difference]: With dead ends: 823 [2020-08-18 15:14:06,151 INFO L226 Difference]: Without dead ends: 593 [2020-08-18 15:14:06,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 15:14:06,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-08-18 15:14:06,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 463. [2020-08-18 15:14:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-18 15:14:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 570 transitions. [2020-08-18 15:14:06,272 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 570 transitions. Word has length 57 [2020-08-18 15:14:06,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:14:06,273 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 570 transitions. [2020-08-18 15:14:06,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:14:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 570 transitions. [2020-08-18 15:14:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 15:14:06,276 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:14:06,276 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] [2020-08-18 15:14:06,276 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 15:14:06,277 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:14:06,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:14:06,277 INFO L82 PathProgramCache]: Analyzing trace with hash -83486899, now seen corresponding path program 1 times [2020-08-18 15:14:06,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:14:06,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [118648806] [2020-08-18 15:14:06,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:14:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,554 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:14:06,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:14:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:14:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:14:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:14:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:14:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 15:14:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 15:14:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 15:14:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 15:14:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:06,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:14:06,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [118648806] [2020-08-18 15:14:06,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:14:06,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 15:14:06,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167681266] [2020-08-18 15:14:06,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 15:14:06,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:14:06,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 15:14:06,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 15:14:06,675 INFO L87 Difference]: Start difference. First operand 463 states and 570 transitions. Second operand 9 states. [2020-08-18 15:14:06,992 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:07,911 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:08,164 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:08,439 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:08,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:14:08,823 INFO L93 Difference]: Finished difference Result 865 states and 1149 transitions. [2020-08-18 15:14:08,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 15:14:08,827 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 15:14:08,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:14:08,828 INFO L225 Difference]: With dead ends: 865 [2020-08-18 15:14:08,828 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 15:14:08,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 15:14:08,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 15:14:08,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 15:14:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 15:14:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 15:14:08,834 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 15:14:08,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:14:08,835 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 15:14:08,835 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 15:14:08,835 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 15:14:08,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 15:14:08,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 15:14:08,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 15:14:12,172 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:14:12,336 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:12,524 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:12,729 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 15:14:13,029 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:14:13,336 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-18 15:14:13,528 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:14:13,823 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:14:13,986 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 15:14:14,145 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 15:14:14,445 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 15:14:14,614 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 15:14:14,963 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 15:14:15,294 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:14:15,464 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:15,631 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:15,789 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:15,957 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:14:16,120 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:14:16,298 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 15:14:16,599 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:14:16,763 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:14:17,062 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:14:17,367 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 15:14:17,521 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:17,809 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:14:17,813 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-18 15:14:17,813 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-18 15:14:17,814 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-18 15:14:17,814 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-18 15:14:17,814 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-18 15:14:17,814 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-18 15:14:17,814 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-18 15:14:17,814 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-18 15:14:17,815 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-18 15:14:17,815 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-18 15:14:17,815 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-18 15:14:17,815 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-18 15:14:17,815 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-18 15:14:17,815 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-18 15:14:17,815 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-18 15:14:17,816 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-18 15:14:17,816 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-18 15:14:17,816 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-18 15:14:17,816 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 933 939) the Hoare annotation is: true [2020-08-18 15:14:17,817 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 933 939) no Hoare annotation was computed. [2020-08-18 15:14:17,817 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 940 948) no Hoare annotation was computed. [2020-08-18 15:14:17,817 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 940 948) the Hoare annotation is: true [2020-08-18 15:14:17,817 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 940 948) no Hoare annotation was computed. [2020-08-18 15:14:17,817 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 688 710) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:17,817 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 15:14:17,818 INFO L264 CegarLoopResult]: At program point L700-1(line 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 15:14:17,818 INFO L268 CegarLoopResult]: For program point L698(lines 698 705) no Hoare annotation was computed. [2020-08-18 15:14:17,818 INFO L268 CegarLoopResult]: For program point L698-1(lines 698 705) no Hoare annotation was computed. [2020-08-18 15:14:17,818 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 688 710) no Hoare annotation was computed. [2020-08-18 15:14:17,818 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-08-18 15:14:17,818 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:17,819 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:17,819 INFO L264 CegarLoopResult]: At program point L694-1(line 694) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:17,819 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 688 710) no Hoare annotation was computed. [2020-08-18 15:14:17,819 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 644 667) no Hoare annotation was computed. [2020-08-18 15:14:17,819 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 644 667) no Hoare annotation was computed. [2020-08-18 15:14:17,819 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 644 667) no Hoare annotation was computed. [2020-08-18 15:14:17,819 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L661(line 661) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L659(line 659) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L658(line 658) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L657(line 657) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L656(line 656) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L654(line 654) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-08-18 15:14:17,820 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-08-18 15:14:17,821 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-08-18 15:14:17,821 INFO L268 CegarLoopResult]: For program point L649(line 649) no Hoare annotation was computed. [2020-08-18 15:14:17,821 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 15:14:17,821 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2020-08-18 15:14:17,821 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-08-18 15:14:17,821 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 15:14:17,821 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2020-08-18 15:14:17,821 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2020-08-18 15:14:17,821 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2020-08-18 15:14:17,821 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2020-08-18 15:14:17,821 INFO L268 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point L855(lines 855 863) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-08-18 15:14:17,822 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 926 932) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 926 932) the Hoare annotation is: true [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-18 15:14:17,823 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-18 15:14:17,824 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 675 684) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:17,824 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 675 684) no Hoare annotation was computed. [2020-08-18 15:14:17,824 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 675 684) no Hoare annotation was computed. [2020-08-18 15:14:17,824 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2020-08-18 15:14:17,824 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2020-08-18 15:14:17,824 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2020-08-18 15:14:17,824 INFO L271 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-08-18 15:14:17,824 INFO L268 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-08-18 15:14:17,824 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2020-08-18 15:14:17,824 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2020-08-18 15:14:17,825 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2020-08-18 15:14:17,825 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,825 INFO L268 CegarLoopResult]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2020-08-18 15:14:17,825 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 775 799) no Hoare annotation was computed. [2020-08-18 15:14:17,825 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,825 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 775 799) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,825 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,825 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-08-18 15:14:17,825 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,825 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-08-18 15:14:17,825 INFO L268 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2020-08-18 15:14:17,826 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 741 747) no Hoare annotation was computed. [2020-08-18 15:14:17,826 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 741 747) the Hoare annotation is: true [2020-08-18 15:14:17,826 INFO L264 CegarLoopResult]: At program point testENTRY(lines 543 610) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:17,826 INFO L264 CegarLoopResult]: At program point L603(lines 552 604) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:17,826 INFO L268 CegarLoopResult]: For program point testFINAL(lines 543 610) no Hoare annotation was computed. [2020-08-18 15:14:17,826 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:17,826 INFO L268 CegarLoopResult]: For program point L591(lines 591 597) no Hoare annotation was computed. [2020-08-18 15:14:17,826 INFO L264 CegarLoopResult]: At program point L591-1(lines 583 598) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:17,826 INFO L268 CegarLoopResult]: For program point L554(lines 553 602) no Hoare annotation was computed. [2020-08-18 15:14:17,826 INFO L264 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:17,827 INFO L268 CegarLoopResult]: For program point L583(lines 583 598) no Hoare annotation was computed. [2020-08-18 15:14:17,827 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:17,827 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-08-18 15:14:17,827 INFO L268 CegarLoopResult]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2020-08-18 15:14:17,827 INFO L264 CegarLoopResult]: At program point L600(lines 553 602) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:17,827 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:17,827 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-08-18 15:14:17,827 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-08-18 15:14:17,827 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-08-18 15:14:17,827 INFO L268 CegarLoopResult]: For program point testEXIT(lines 543 610) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-08-18 15:14:17,828 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-18 15:14:17,829 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-18 15:14:17,830 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-18 15:14:17,830 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-18 15:14:17,830 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-18 15:14:17,830 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-18 15:14:17,830 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 916 925) no Hoare annotation was computed. [2020-08-18 15:14:17,830 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 916 925) no Hoare annotation was computed. [2020-08-18 15:14:17,830 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 916 925) no Hoare annotation was computed. [2020-08-18 15:14:17,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:14:17,830 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 15:14:17,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:14:17,831 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 800 807) no Hoare annotation was computed. [2020-08-18 15:14:17,831 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 800 807) no Hoare annotation was computed. [2020-08-18 15:14:17,831 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 800 807) no Hoare annotation was computed. [2020-08-18 15:14:17,831 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-08-18 15:14:17,831 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-08-18 15:14:17,831 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-08-18 15:14:17,831 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:14:17,831 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 15:14:17,831 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:14:17,832 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 15:14:17,832 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-08-18 15:14:17,832 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-08-18 15:14:17,832 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-08-18 15:14:17,832 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-08-18 15:14:17,832 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-08-18 15:14:17,832 INFO L264 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,832 INFO L264 CegarLoopResult]: At program point L728(lines 728 734) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,833 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 15:14:17,833 INFO L268 CegarLoopResult]: For program point L721(lines 720 739) no Hoare annotation was computed. [2020-08-18 15:14:17,833 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 717 740) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,833 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 717 740) no Hoare annotation was computed. [2020-08-18 15:14:17,833 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 717 740) no Hoare annotation was computed. [2020-08-18 15:14:17,833 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 613 642) no Hoare annotation was computed. [2020-08-18 15:14:17,833 INFO L271 CegarLoopResult]: At program point L638(lines 613 642) the Hoare annotation is: true [2020-08-18 15:14:17,833 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 613 642) the Hoare annotation is: true [2020-08-18 15:14:17,834 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-08-18 15:14:17,834 INFO L268 CegarLoopResult]: For program point L627(lines 627 631) no Hoare annotation was computed. [2020-08-18 15:14:17,834 INFO L271 CegarLoopResult]: At program point L627-1(lines 627 631) the Hoare annotation is: true [2020-08-18 15:14:17,834 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-08-18 15:14:17,834 INFO L271 CegarLoopResult]: At program point L623-2(lines 623 637) the Hoare annotation is: true [2020-08-18 15:14:17,834 INFO L271 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: true [2020-08-18 15:14:17,834 INFO L268 CegarLoopResult]: For program point L619-1(line 619) no Hoare annotation was computed. [2020-08-18 15:14:17,834 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-08-18 15:14:17,835 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-08-18 15:14:17,835 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-08-18 15:14:17,835 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 668 674) no Hoare annotation was computed. [2020-08-18 15:14:17,835 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 668 674) the Hoare annotation is: true [2020-08-18 15:14:17,835 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:14:17,835 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 15:14:17,835 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 15:14:17,836 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:14:17,836 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 906 913) no Hoare annotation was computed. [2020-08-18 15:14:17,836 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 906 913) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 15:14:17,836 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 906 913) no Hoare annotation was computed. [2020-08-18 15:14:17,836 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-08-18 15:14:17,836 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-08-18 15:14:17,836 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 15:14:17,836 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2020-08-18 15:14:17,837 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-08-18 15:14:17,837 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2020-08-18 15:14:17,837 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2020-08-18 15:14:17,837 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-08-18 15:14:17,837 INFO L268 CegarLoopResult]: For program point L512(lines 512 525) no Hoare annotation was computed. [2020-08-18 15:14:17,837 INFO L268 CegarLoopResult]: For program point L512-1(lines 504 528) no Hoare annotation was computed. [2020-08-18 15:14:17,837 INFO L271 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: true [2020-08-18 15:14:17,838 INFO L268 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-08-18 15:14:17,838 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 504 528) the Hoare annotation is: true [2020-08-18 15:14:17,838 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 504 528) no Hoare annotation was computed. [2020-08-18 15:14:17,838 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 15:14:17,838 INFO L268 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-08-18 15:14:17,838 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 15:14:17,838 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,838 INFO L268 CegarLoopResult]: For program point L768-1(lines 749 773) no Hoare annotation was computed. [2020-08-18 15:14:17,839 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 749 773) no Hoare annotation was computed. [2020-08-18 15:14:17,839 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,839 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 749 773) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,839 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,839 INFO L268 CegarLoopResult]: For program point L757(lines 757 765) no Hoare annotation was computed. [2020-08-18 15:14:17,839 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:17,839 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-08-18 15:14:17,839 INFO L268 CegarLoopResult]: For program point L753(lines 753 770) no Hoare annotation was computed. [2020-08-18 15:14:17,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 03:14:17 BoogieIcfgContainer [2020-08-18 15:14:17,856 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 15:14:17,858 INFO L168 Benchmark]: Toolchain (without parser) took 26011.66 ms. Allocated memory was 139.5 MB in the beginning and 673.7 MB in the end (delta: 534.2 MB). Free memory was 101.2 MB in the beginning and 135.4 MB in the end (delta: -34.1 MB). Peak memory consumption was 515.5 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:17,859 INFO L168 Benchmark]: CDTParser took 0.18 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. [2020-08-18 15:14:17,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.40 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 168.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:17,861 INFO L168 Benchmark]: Boogie Preprocessor took 85.08 ms. Allocated memory is still 201.9 MB. Free memory was 168.7 MB in the beginning and 164.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:17,861 INFO L168 Benchmark]: RCFGBuilder took 1153.67 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.0 MB in the beginning and 193.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:17,862 INFO L168 Benchmark]: TraceAbstraction took 24095.85 ms. Allocated memory was 235.4 MB in the beginning and 673.7 MB in the end (delta: 438.3 MB). Free memory was 193.1 MB in the beginning and 135.4 MB in the end (delta: 57.8 MB). Peak memory consumption was 511.5 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:17,866 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 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 669.40 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 168.7 MB in the end (delta: -67.7 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.08 ms. Allocated memory is still 201.9 MB. Free memory was 168.7 MB in the beginning and 164.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1153.67 ms. Allocated memory was 201.9 MB in the beginning and 235.4 MB in the end (delta: 33.6 MB). Free memory was 164.0 MB in the beginning and 193.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24095.85 ms. Allocated memory was 235.4 MB in the beginning and 673.7 MB in the end (delta: 438.3 MB). Free memory was 193.1 MB in the beginning and 135.4 MB in the end (delta: 57.8 MB). Peak memory consumption was 511.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 553]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 561 SDtfs, 853 SDslu, 495 SDs, 0 SdLazy, 2416 SolverSat, 560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 258 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 651 PreInvPairs, 754 NumberOfFragments, 753 HoareAnnotationTreeSize, 651 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 61 FomulaSimplificationsInter, 18981 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 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...