/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:04:01,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:04:01,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:04:01,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:04:01,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:04:01,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:04:01,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:04:01,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:04:01,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:04:01,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:04:01,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:04:01,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:04:01,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:04:01,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:04:01,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:04:01,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:04:01,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:04:01,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:04:01,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:04:01,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:04:01,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:04:01,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:04:01,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:04:01,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:04:01,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 10:04:01,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 10:04:01,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 10:04:01,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 10:04:01,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 10:04:01,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 10:04:01,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 10:04:01,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 10:04:01,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 10:04:01,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 10:04:01,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 10:04:01,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 10:04:01,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 10:04:01,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 10:04:01,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:04:01,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:04:01,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:04:01,504 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 [2020-09-21 10:04:01,532 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:04:01,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:04:01,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:04:01,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:04:01,534 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:04:01,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:04:01,534 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:04:01,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:04:01,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:04:01,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:04:01,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:04:01,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:04:01,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:04:01,536 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:04:01,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:04:01,536 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:04:01,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:04:01,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:04:01,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:04:01,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:04:01,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:04:01,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:04:01,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:04:01,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:04:01,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:04:01,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:04:01,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:04:01,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:04:01,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:04:01,539 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 [2020-09-21 10:04:01,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:04:02,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:04:02,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:04:02,012 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:04:02,013 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:04:02,014 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-09-21 10:04:02,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca38de862/567f8107b40f4580be8a844272ca5770/FLAGb4019617f [2020-09-21 10:04:02,837 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:04:02,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-09-21 10:04:02,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca38de862/567f8107b40f4580be8a844272ca5770/FLAGb4019617f [2020-09-21 10:04:03,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca38de862/567f8107b40f4580be8a844272ca5770 [2020-09-21 10:04:03,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:04:03,061 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:04:03,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:04:03,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:04:03,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:04:03,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:04:03" (1/1) ... [2020-09-21 10:04:03,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03, skipping insertion in model container [2020-09-21 10:04:03,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:04:03" (1/1) ... [2020-09-21 10:04:03,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:04:03,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:04:03,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:04:03,630 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 10:04:03,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 10:04:03,754 INFO L208 MainTranslator]: Completed translation [2020-09-21 10:04:03,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03 WrapperNode [2020-09-21 10:04:03,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:04:03,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 10:04:03,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 10:04:03,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 10:04:03,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03" (1/1) ... [2020-09-21 10:04:03,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03" (1/1) ... [2020-09-21 10:04:03,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03" (1/1) ... [2020-09-21 10:04:03,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03" (1/1) ... [2020-09-21 10:04:03,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03" (1/1) ... [2020-09-21 10:04:03,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03" (1/1) ... [2020-09-21 10:04:03,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03" (1/1) ... [2020-09-21 10:04:03,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 10:04:03,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 10:04:03,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 10:04:03,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 10:04:03,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03" (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 [2020-09-21 10:04:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 10:04:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 10:04:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 10:04:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 10:04:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 10:04:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 10:04:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 10:04:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 10:04:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 10:04:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 10:04:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 10:04:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 10:04:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 10:04:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 10:04:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 10:04:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 10:04:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 10:04:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 10:04:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 10:04:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 10:04:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 10:04:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 10:04:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 10:04:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 10:04:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 10:04:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 10:04:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 10:04:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 10:04:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 10:04:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 10:04:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 10:04:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 10:04:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 10:04:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 10:04:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 10:04:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 10:04:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 10:04:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 10:04:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 10:04:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 10:04:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 10:04:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 10:04:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 10:04:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 10:04:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 10:04:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 10:04:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 10:04:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 10:04:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 10:04:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 10:04:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 10:04:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 10:04:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 10:04:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 10:04:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 10:04:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 10:04:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 10:04:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 10:04:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 10:04:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 10:04:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 10:04:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 10:04:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 10:04:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 10:04:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 10:04:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 10:04:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 10:04:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 10:04:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 10:04:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 10:04:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 10:04:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 10:04:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 10:04:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 10:04:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 10:04:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 10:04:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 10:04:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 10:04:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 10:04:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 10:04:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 10:04:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 10:04:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 10:04:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 10:04:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 10:04:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 10:04:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-21 10:04:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 10:04:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 10:04:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 10:04:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 10:04:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 10:04:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 10:04:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 10:04:05,077 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 10:04:05,078 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 10:04:05,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:04:05 BoogieIcfgContainer [2020-09-21 10:04:05,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 10:04:05,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 10:04:05,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 10:04:05,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 10:04:05,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 10:04:03" (1/3) ... [2020-09-21 10:04:05,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acc799c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:04:05, skipping insertion in model container [2020-09-21 10:04:05,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:04:03" (2/3) ... [2020-09-21 10:04:05,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acc799c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 10:04:05, skipping insertion in model container [2020-09-21 10:04:05,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 10:04:05" (3/3) ... [2020-09-21 10:04:05,095 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2020-09-21 10:04:05,107 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 10:04:05,118 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 10:04:05,142 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 10:04:05,174 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 10:04:05,174 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 10:04:05,174 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 10:04:05,175 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 10:04:05,175 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 10:04:05,175 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 10:04:05,175 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 10:04:05,175 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 10:04:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-09-21 10:04:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 10:04:05,216 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:05,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:04:05,218 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:05,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:05,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1920161495, now seen corresponding path program 1 times [2020-09-21 10:04:05,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:05,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [434901428] [2020-09-21 10:04:05,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:05,938 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:05,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:06,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:06,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:06,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:06,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:06,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:06,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 10:04:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:06,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 10:04:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:06,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [434901428] [2020-09-21 10:04:06,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:06,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 10:04:06,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604438986] [2020-09-21 10:04:06,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 10:04:06,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:06,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 10:04:06,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:04:06,126 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-09-21 10:04:07,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:07,353 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2020-09-21 10:04:07,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 10:04:07,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 10:04:07,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:07,374 INFO L225 Difference]: With dead ends: 288 [2020-09-21 10:04:07,374 INFO L226 Difference]: Without dead ends: 161 [2020-09-21 10:04:07,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 10:04:07,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-09-21 10:04:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 128. [2020-09-21 10:04:07,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-09-21 10:04:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2020-09-21 10:04:07,481 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 51 [2020-09-21 10:04:07,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:07,481 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2020-09-21 10:04:07,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 10:04:07,482 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2020-09-21 10:04:07,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 10:04:07,486 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:07,486 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] [2020-09-21 10:04:07,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 10:04:07,487 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:07,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:07,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1183327725, now seen corresponding path program 1 times [2020-09-21 10:04:07,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:07,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115403916] [2020-09-21 10:04:07,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:07,865 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:07,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:07,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:07,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:07,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:07,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:07,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:07,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 10:04:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 10:04:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:07,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115403916] [2020-09-21 10:04:07,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:07,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 10:04:07,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598655511] [2020-09-21 10:04:07,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 10:04:07,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:07,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 10:04:07,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 10:04:07,973 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 5 states. [2020-09-21 10:04:08,425 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 10:04:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:09,444 INFO L93 Difference]: Finished difference Result 229 states and 286 transitions. [2020-09-21 10:04:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 10:04:09,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 10:04:09,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:09,449 INFO L225 Difference]: With dead ends: 229 [2020-09-21 10:04:09,450 INFO L226 Difference]: Without dead ends: 151 [2020-09-21 10:04:09,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 10:04:09,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-21 10:04:09,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-09-21 10:04:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 10:04:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-09-21 10:04:09,491 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 52 [2020-09-21 10:04:09,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:09,491 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-09-21 10:04:09,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 10:04:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-09-21 10:04:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-09-21 10:04:09,494 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:09,495 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] [2020-09-21 10:04:09,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 10:04:09,495 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:09,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:09,496 INFO L82 PathProgramCache]: Analyzing trace with hash -2053206438, now seen corresponding path program 1 times [2020-09-21 10:04:09,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:09,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180695787] [2020-09-21 10:04:09,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:09,916 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:09,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:09,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:09,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:09,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:09,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:10,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:10,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 10:04:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 10:04:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:10,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180695787] [2020-09-21 10:04:10,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:10,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 10:04:10,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62837319] [2020-09-21 10:04:10,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:04:10,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:10,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:04:10,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:04:10,033 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 9 states. [2020-09-21 10:04:10,470 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:04:10,863 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:11,206 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:11,513 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:12,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:12,894 INFO L93 Difference]: Finished difference Result 242 states and 305 transitions. [2020-09-21 10:04:12,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 10:04:12,895 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-09-21 10:04:12,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:12,898 INFO L225 Difference]: With dead ends: 242 [2020-09-21 10:04:12,898 INFO L226 Difference]: Without dead ends: 151 [2020-09-21 10:04:12,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-09-21 10:04:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-09-21 10:04:12,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 119. [2020-09-21 10:04:12,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-09-21 10:04:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-09-21 10:04:12,933 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 57 [2020-09-21 10:04:12,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:12,934 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-09-21 10:04:12,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:04:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-09-21 10:04:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 10:04:12,937 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:12,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:04:12,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 10:04:12,937 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:12,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:12,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1469392380, now seen corresponding path program 1 times [2020-09-21 10:04:12,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:12,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1613209642] [2020-09-21 10:04:12,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,306 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:13,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 10:04:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:04:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:04:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 10:04:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 10:04:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:13,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1613209642] [2020-09-21 10:04:13,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:13,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 10:04:13,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533777108] [2020-09-21 10:04:13,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 10:04:13,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:13,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 10:04:13,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 10:04:13,446 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 9 states. [2020-09-21 10:04:13,896 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:04:14,901 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:15,393 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:04:16,299 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:16,595 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:17,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:17,630 INFO L93 Difference]: Finished difference Result 373 states and 496 transitions. [2020-09-21 10:04:17,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 10:04:17,630 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 10:04:17,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:17,634 INFO L225 Difference]: With dead ends: 373 [2020-09-21 10:04:17,634 INFO L226 Difference]: Without dead ends: 282 [2020-09-21 10:04:17,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 10:04:17,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-21 10:04:17,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 200. [2020-09-21 10:04:17,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-09-21 10:04:17,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 236 transitions. [2020-09-21 10:04:17,703 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 236 transitions. Word has length 70 [2020-09-21 10:04:17,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:17,704 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 236 transitions. [2020-09-21 10:04:17,704 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 10:04:17,704 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 236 transitions. [2020-09-21 10:04:17,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-09-21 10:04:17,707 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 10:04:17,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 10:04:17,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 10:04:17,708 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 10:04:17,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 10:04:17,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1644322976, now seen corresponding path program 1 times [2020-09-21 10:04:17,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 10:04:17,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458177678] [2020-09-21 10:04:17,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 10:04:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,096 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:18,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 10:04:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 10:04:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 10:04:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 10:04:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 10:04:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 10:04:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 10:04:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 10:04:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:04:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 10:04:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 10:04:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-21 10:04:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 10:04:18,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 10:04:18,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458177678] [2020-09-21 10:04:18,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 10:04:18,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 10:04:18,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386319427] [2020-09-21 10:04:18,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 10:04:18,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 10:04:18,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 10:04:18,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 10:04:18,234 INFO L87 Difference]: Start difference. First operand 200 states and 236 transitions. Second operand 10 states. [2020-09-21 10:04:18,678 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 10:04:19,751 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:20,079 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:20,395 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:20,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 10:04:20,698 INFO L93 Difference]: Finished difference Result 349 states and 444 transitions. [2020-09-21 10:04:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 10:04:20,698 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2020-09-21 10:04:20,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 10:04:20,699 INFO L225 Difference]: With dead ends: 349 [2020-09-21 10:04:20,699 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 10:04:20,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-21 10:04:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 10:04:20,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 10:04:20,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 10:04:20,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 10:04:20,701 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-09-21 10:04:20,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 10:04:20,702 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 10:04:20,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 10:04:20,702 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 10:04:20,702 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 10:04:20,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 10:04:20,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 10:04:20,916 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:21,078 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:21,383 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 12 [2020-09-21 10:04:21,547 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:21,715 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:21,878 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:22,047 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:22,214 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:22,377 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:22,698 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:04:22,990 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 10:04:23,283 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 10:04:23,581 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 10:04:23,866 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-21 10:04:24,149 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 10:04:24,310 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:24,469 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:24,626 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:24,783 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:24,940 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:25,094 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:25,237 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:25,394 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:25,670 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 13 [2020-09-21 10:04:25,826 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:25,985 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:26,144 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:26,303 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:26,460 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:26,619 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:26,772 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:26,931 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:27,084 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:27,247 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:27,400 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:27,558 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:27,722 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:27,880 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:28,037 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:28,195 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:28,348 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:28,505 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:28,663 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:28,831 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:28,990 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:29,150 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:29,303 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:29,500 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:29,663 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:29,820 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:29,975 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:30,293 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 10:04:30,579 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 10:04:30,963 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:04:31,325 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:04:31,690 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:04:32,054 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 10:04:32,339 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 10:04:32,500 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:32,655 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:32,815 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:32,974 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:33,127 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:33,283 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:33,461 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 10:04:33,735 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 13 [2020-09-21 10:04:33,899 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 10:04:34,052 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 10:04:34,209 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 10:04:34,530 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 10:04:34,984 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 10:04:35,247 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:04:35,525 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 10:04:35,986 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 10:04:36,473 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 10:04:36,904 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 10:04:37,179 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 10:04:37,413 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:04:37,695 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:04:38,155 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 10:04:38,610 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-09-21 10:04:39,052 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 10:04:39,301 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:04:39,551 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:04:39,984 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 10:04:40,229 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-09-21 10:04:40,464 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-21 10:04:40,789 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-09-21 10:04:41,235 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-09-21 10:04:41,446 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-21 10:04:41,656 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-09-21 10:04:42,076 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 10:04:42,317 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-09-21 10:04:42,582 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-09-21 10:04:43,007 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 10:04:43,043 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-09-21 10:04:43,044 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-09-21 10:04:43,044 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 10:04:43,044 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-09-21 10:04:43,044 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-09-21 10:04:43,044 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-09-21 10:04:43,044 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-09-21 10:04:43,045 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-09-21 10:04:43,045 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 10:04:43,045 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-09-21 10:04:43,045 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-09-21 10:04:43,045 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-09-21 10:04:43,045 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-09-21 10:04:43,045 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 10:04:43,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-09-21 10:04:43,046 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-09-21 10:04:43,046 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-09-21 10:04:43,046 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-09-21 10:04:43,046 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 930 936) the Hoare annotation is: true [2020-09-21 10:04:43,047 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 930 936) no Hoare annotation was computed. [2020-09-21 10:04:43,047 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 937 945) no Hoare annotation was computed. [2020-09-21 10:04:43,047 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 937 945) the Hoare annotation is: true [2020-09-21 10:04:43,047 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 937 945) no Hoare annotation was computed. [2020-09-21 10:04:43,047 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,048 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-09-21 10:04:43,048 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 10:04:43,048 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-09-21 10:04:43,048 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-09-21 10:04:43,048 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-09-21 10:04:43,049 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 10:04:43,049 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,049 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,049 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,049 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-09-21 10:04:43,050 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-09-21 10:04:43,050 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-09-21 10:04:43,050 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-09-21 10:04:43,050 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-09-21 10:04:43,050 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-09-21 10:04:43,050 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-09-21 10:04:43,050 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-09-21 10:04:43,051 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 10:04:43,051 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 10:04:43,051 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 10:04:43,051 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-09-21 10:04:43,051 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 10:04:43,051 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 10:04:43,051 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-09-21 10:04:43,052 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 10:04:43,052 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-09-21 10:04:43,052 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-09-21 10:04:43,052 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 634 642) no Hoare annotation was computed. [2020-09-21 10:04:43,052 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 634 642) the Hoare annotation is: true [2020-09-21 10:04:43,052 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 634 642) no Hoare annotation was computed. [2020-09-21 10:04:43,052 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-09-21 10:04:43,053 INFO L271 CegarLoopResult]: At program point L686(line 686) the Hoare annotation is: true [2020-09-21 10:04:43,053 INFO L268 CegarLoopResult]: For program point L688-2(lines 688 692) no Hoare annotation was computed. [2020-09-21 10:04:43,053 INFO L268 CegarLoopResult]: For program point L686-1(line 686) no Hoare annotation was computed. [2020-09-21 10:04:43,053 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 679 697) the Hoare annotation is: true [2020-09-21 10:04:43,053 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 679 697) no Hoare annotation was computed. [2020-09-21 10:04:43,053 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 679 697) no Hoare annotation was computed. [2020-09-21 10:04:43,053 INFO L268 CegarLoopResult]: For program point L673(line 673) no Hoare annotation was computed. [2020-09-21 10:04:43,054 INFO L268 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-09-21 10:04:43,054 INFO L268 CegarLoopResult]: For program point L662(lines 662 670) no Hoare annotation was computed. [2020-09-21 10:04:43,054 INFO L268 CegarLoopResult]: For program point L662-2(lines 662 670) no Hoare annotation was computed. [2020-09-21 10:04:43,054 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 643 678) no Hoare annotation was computed. [2020-09-21 10:04:43,054 INFO L268 CegarLoopResult]: For program point L650(lines 650 658) no Hoare annotation was computed. [2020-09-21 10:04:43,054 INFO L268 CegarLoopResult]: For program point L650-2(lines 650 658) no Hoare annotation was computed. [2020-09-21 10:04:43,054 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 643 678) no Hoare annotation was computed. [2020-09-21 10:04:43,055 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 643 678) no Hoare annotation was computed. [2020-09-21 10:04:43,055 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 923 929) no Hoare annotation was computed. [2020-09-21 10:04:43,055 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 923 929) the Hoare annotation is: true [2020-09-21 10:04:43,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-09-21 10:04:43,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-09-21 10:04:43,055 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-09-21 10:04:43,055 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-09-21 10:04:43,056 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-09-21 10:04:43,056 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-09-21 10:04:43,056 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-09-21 10:04:43,056 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-09-21 10:04:43,056 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-09-21 10:04:43,056 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,057 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 10:04:43,057 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-09-21 10:04:43,057 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-09-21 10:04:43,057 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 623 633) the Hoare annotation is: true [2020-09-21 10:04:43,057 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 623 633) no Hoare annotation was computed. [2020-09-21 10:04:43,057 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 623 633) no Hoare annotation was computed. [2020-09-21 10:04:43,057 INFO L271 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: true [2020-09-21 10:04:43,058 INFO L268 CegarLoopResult]: For program point L628-1(line 628) no Hoare annotation was computed. [2020-09-21 10:04:43,058 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 615 622) the Hoare annotation is: true [2020-09-21 10:04:43,058 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 615 622) no Hoare annotation was computed. [2020-09-21 10:04:43,058 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 615 622) no Hoare annotation was computed. [2020-09-21 10:04:43,058 INFO L264 CegarLoopResult]: At program point L601(line 601) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,058 INFO L268 CegarLoopResult]: For program point L601-1(lines 582 606) no Hoare annotation was computed. [2020-09-21 10:04:43,059 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 582 606) no Hoare annotation was computed. [2020-09-21 10:04:43,059 INFO L264 CegarLoopResult]: At program point L596(line 596) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,059 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 582 606) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,059 INFO L264 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,059 INFO L268 CegarLoopResult]: For program point L590(lines 590 598) no Hoare annotation was computed. [2020-09-21 10:04:43,059 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,059 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-09-21 10:04:43,060 INFO L268 CegarLoopResult]: For program point L586(lines 586 603) no Hoare annotation was computed. [2020-09-21 10:04:43,060 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 548 554) no Hoare annotation was computed. [2020-09-21 10:04:43,060 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 548 554) the Hoare annotation is: true [2020-09-21 10:04:43,060 INFO L268 CegarLoopResult]: For program point L737(lines 737 743) no Hoare annotation was computed. [2020-09-21 10:04:43,060 INFO L268 CegarLoopResult]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2020-09-21 10:04:43,060 INFO L264 CegarLoopResult]: At program point testENTRY(lines 707 772) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,061 INFO L264 CegarLoopResult]: At program point L762(lines 717 764) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,061 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,061 INFO L268 CegarLoopResult]: For program point L727(lines 727 733) no Hoare annotation was computed. [2020-09-21 10:04:43,061 INFO L268 CegarLoopResult]: For program point testFINAL(lines 707 772) no Hoare annotation was computed. [2020-09-21 10:04:43,061 INFO L268 CegarLoopResult]: For program point L727-1(lines 727 733) no Hoare annotation was computed. [2020-09-21 10:04:43,061 INFO L268 CegarLoopResult]: For program point L719(lines 719 723) no Hoare annotation was computed. [2020-09-21 10:04:43,061 INFO L264 CegarLoopResult]: At program point L765(lines 716 766) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,062 INFO L268 CegarLoopResult]: For program point L755(lines 755 759) no Hoare annotation was computed. [2020-09-21 10:04:43,062 INFO L264 CegarLoopResult]: At program point L755-2(lines 747 760) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,062 INFO L268 CegarLoopResult]: For program point L718(lines 717 764) no Hoare annotation was computed. [2020-09-21 10:04:43,062 INFO L264 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,062 INFO L268 CegarLoopResult]: For program point L747(lines 747 760) no Hoare annotation was computed. [2020-09-21 10:04:43,062 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 10:04:43,062 INFO L268 CegarLoopResult]: For program point testEXIT(lines 707 772) no Hoare annotation was computed. [2020-09-21 10:04:43,063 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-09-21 10:04:43,063 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-09-21 10:04:43,063 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-09-21 10:04:43,063 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-09-21 10:04:43,063 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-09-21 10:04:43,063 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-09-21 10:04:43,063 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 902 910) no Hoare annotation was computed. [2020-09-21 10:04:43,064 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 902 910) the Hoare annotation is: true [2020-09-21 10:04:43,064 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 902 910) no Hoare annotation was computed. [2020-09-21 10:04:43,064 INFO L268 CegarLoopResult]: For program point L802-1(line 802) no Hoare annotation was computed. [2020-09-21 10:04:43,064 INFO L268 CegarLoopResult]: For program point L800(lines 800 817) no Hoare annotation was computed. [2020-09-21 10:04:43,064 INFO L268 CegarLoopResult]: For program point L800-1(lines 792 820) no Hoare annotation was computed. [2020-09-21 10:04:43,064 INFO L264 CegarLoopResult]: At program point L798(line 798) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 10:04:43,064 INFO L268 CegarLoopResult]: For program point L798-1(line 798) no Hoare annotation was computed. [2020-09-21 10:04:43,064 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 792 820) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 10:04:43,065 INFO L264 CegarLoopResult]: At program point L807(line 807) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 10:04:43,065 INFO L268 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2020-09-21 10:04:43,065 INFO L268 CegarLoopResult]: For program point L804(lines 804 814) no Hoare annotation was computed. [2020-09-21 10:04:43,065 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 792 820) no Hoare annotation was computed. [2020-09-21 10:04:43,065 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-09-21 10:04:43,065 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 784 791) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 10:04:43,066 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 784 791) no Hoare annotation was computed. [2020-09-21 10:04:43,066 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 784 791) no Hoare annotation was computed. [2020-09-21 10:04:43,066 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-09-21 10:04:43,066 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-09-21 10:04:43,066 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 870 892) no Hoare annotation was computed. [2020-09-21 10:04:43,066 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 870 892) no Hoare annotation was computed. [2020-09-21 10:04:43,066 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 870 892) no Hoare annotation was computed. [2020-09-21 10:04:43,066 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-09-21 10:04:43,067 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-09-21 10:04:43,067 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-09-21 10:04:43,067 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-09-21 10:04:43,067 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-09-21 10:04:43,067 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-09-21 10:04:43,067 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-09-21 10:04:43,067 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-09-21 10:04:43,068 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-09-21 10:04:43,068 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-09-21 10:04:43,068 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-09-21 10:04:43,068 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-09-21 10:04:43,068 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-09-21 10:04:43,068 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-09-21 10:04:43,069 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-09-21 10:04:43,069 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-09-21 10:04:43,069 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 913 922) no Hoare annotation was computed. [2020-09-21 10:04:43,069 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 913 922) no Hoare annotation was computed. [2020-09-21 10:04:43,069 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 913 922) no Hoare annotation was computed. [2020-09-21 10:04:43,069 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:04:43,070 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#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~string27.base| |old(#t~string27.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string54.base| |old(#t~string54.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)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 10:04:43,070 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:04:43,070 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 607 614) no Hoare annotation was computed. [2020-09-21 10:04:43,070 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 607 614) no Hoare annotation was computed. [2020-09-21 10:04:43,070 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 607 614) no Hoare annotation was computed. [2020-09-21 10:04:43,070 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 893 901) no Hoare annotation was computed. [2020-09-21 10:04:43,071 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 893 901) no Hoare annotation was computed. [2020-09-21 10:04:43,071 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 893 901) no Hoare annotation was computed. [2020-09-21 10:04:43,071 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:04:43,071 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 10:04:43,071 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:04:43,071 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 849 860) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 10:04:43,071 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 849 860) no Hoare annotation was computed. [2020-09-21 10:04:43,072 INFO L268 CegarLoopResult]: For program point L853-1(lines 849 860) no Hoare annotation was computed. [2020-09-21 10:04:43,072 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,072 INFO L264 CegarLoopResult]: At program point L535(lines 535 541) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,072 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,072 INFO L268 CegarLoopResult]: For program point L528(lines 527 546) no Hoare annotation was computed. [2020-09-21 10:04:43,072 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 524 547) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,072 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 524 547) no Hoare annotation was computed. [2020-09-21 10:04:43,073 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 524 547) no Hoare annotation was computed. [2020-09-21 10:04:43,073 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-09-21 10:04:43,073 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-09-21 10:04:43,073 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-09-21 10:04:43,073 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-09-21 10:04:43,073 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-09-21 10:04:43,073 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-09-21 10:04:43,074 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-09-21 10:04:43,074 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-09-21 10:04:43,074 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-09-21 10:04:43,074 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-09-21 10:04:43,074 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 861 869) the Hoare annotation is: true [2020-09-21 10:04:43,074 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 861 869) no Hoare annotation was computed. [2020-09-21 10:04:43,074 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 861 869) no Hoare annotation was computed. [2020-09-21 10:04:43,074 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 825 836) the Hoare annotation is: true [2020-09-21 10:04:43,075 INFO L268 CegarLoopResult]: For program point L829-1(lines 825 836) no Hoare annotation was computed. [2020-09-21 10:04:43,075 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 825 836) no Hoare annotation was computed. [2020-09-21 10:04:43,075 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-09-21 10:04:43,075 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-09-21 10:04:43,075 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 10:04:43,075 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 10:04:43,075 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 10:04:43,076 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 10:04:43,076 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 698 705) no Hoare annotation was computed. [2020-09-21 10:04:43,076 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 698 705) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-09-21 10:04:43,076 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 698 705) no Hoare annotation was computed. [2020-09-21 10:04:43,076 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 837 848) no Hoare annotation was computed. [2020-09-21 10:04:43,076 INFO L268 CegarLoopResult]: For program point L841-1(lines 837 848) no Hoare annotation was computed. [2020-09-21 10:04:43,077 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 837 848) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-09-21 10:04:43,077 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 774 781) no Hoare annotation was computed. [2020-09-21 10:04:43,077 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 778) no Hoare annotation was computed. [2020-09-21 10:04:43,077 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 774 781) the Hoare annotation is: true [2020-09-21 10:04:43,077 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 774 781) no Hoare annotation was computed. [2020-09-21 10:04:43,077 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,078 INFO L268 CegarLoopResult]: For program point L575-1(lines 556 580) no Hoare annotation was computed. [2020-09-21 10:04:43,078 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 556 580) no Hoare annotation was computed. [2020-09-21 10:04:43,078 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 556 580) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,078 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,078 INFO L264 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,078 INFO L268 CegarLoopResult]: For program point L564(lines 564 572) no Hoare annotation was computed. [2020-09-21 10:04:43,078 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 10:04:43,079 INFO L268 CegarLoopResult]: For program point L562-1(line 562) no Hoare annotation was computed. [2020-09-21 10:04:43,079 INFO L268 CegarLoopResult]: For program point L560(lines 560 577) no Hoare annotation was computed. [2020-09-21 10:04:43,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 10:04:43 BoogieIcfgContainer [2020-09-21 10:04:43,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 10:04:43,101 INFO L168 Benchmark]: Toolchain (without parser) took 40043.66 ms. Allocated memory was 138.4 MB in the beginning and 596.6 MB in the end (delta: 458.2 MB). Free memory was 100.9 MB in the beginning and 114.5 MB in the end (delta: -13.6 MB). Peak memory consumption was 453.7 MB. Max. memory is 7.1 GB. [2020-09-21 10:04:43,102 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 10:04:43,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.36 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 167.8 MB in the end (delta: -67.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-09-21 10:04:43,104 INFO L168 Benchmark]: Boogie Preprocessor took 101.99 ms. Allocated memory is still 201.3 MB. Free memory was 167.8 MB in the beginning and 162.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-09-21 10:04:43,104 INFO L168 Benchmark]: RCFGBuilder took 1226.36 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.9 MB in the beginning and 192.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-09-21 10:04:43,105 INFO L168 Benchmark]: TraceAbstraction took 38013.23 ms. Allocated memory was 232.8 MB in the beginning and 596.6 MB in the end (delta: 363.9 MB). Free memory was 192.0 MB in the beginning and 114.5 MB in the end (delta: 77.5 MB). Peak memory consumption was 450.4 MB. Max. memory is 7.1 GB. [2020-09-21 10:04:43,108 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.36 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 167.8 MB in the end (delta: -67.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.99 ms. Allocated memory is still 201.3 MB. Free memory was 167.8 MB in the beginning and 162.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1226.36 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 162.9 MB in the beginning and 192.0 MB in the end (delta: -29.0 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38013.23 ms. Allocated memory was 232.8 MB in the beginning and 596.6 MB in the end (delta: 363.9 MB). Free memory was 192.0 MB in the beginning and 114.5 MB in the end (delta: 77.5 MB). Peak memory consumption was 450.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 778]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 233 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 505 SDtfs, 915 SDslu, 426 SDs, 0 SdLazy, 2092 SolverSat, 685 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 179 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 352 PreInvPairs, 390 NumberOfFragments, 886 HoareAnnotationTreeSize, 352 FomulaSimplifications, 110361 FormulaSimplificationTreeSizeReduction, 13.8s HoareSimplificationTime, 60 FomulaSimplificationsInter, 8590 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 304 NumberOfCodeBlocks, 304 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 299 ConstructedInterpolants, 0 QuantifiedInterpolants, 90515 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...